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160-559: It is a western alternate route of U.S. Route 101 between Eureka and Arcata , routed via the three bridges over Humboldt Bay and Tuluwat Island and Woodley Islands, rather than motorists having to circumvent the entire northern section of the bay (known as Arcata Bay) to the road connecting the Arcata area to the Samoa Peninsula. In literature and locally, the portion of the road crossing Humboldt Bay (on three separate bridges)

320-423: A 6.5 magnitude earthquake occurred about 33 miles (53 km) off shore from Eureka. After two seconds, it became a violent "jumper", making objects fly; the mostly vertical shocks from the ground led to broken windows in shops, overturned shelving in homes and stores, and damage to architectural detail on a number of historic buildings. Local hospitals treated mostly minor related injuries, and electrical power

480-778: A World Series game between two Bay Area baseball teams, the Loma Prieta earthquake struck and caused widespread infrastructural damage, including the failure of the Bay Bridge , a major link between San Francisco and Oakland . Even so, the Bay Area's technology industry continued to expand and growth in Silicon Valley accelerated: the United States census confirmed that year that San Jose had overtaken San Francisco in terms of population. The commercialization of

640-673: A burgeoning cottage industry of hand-made creations, from glassware to wood-burning stoves, and a large variety of locally created art. Eureka's founding and livelihood was and remains linked to Humboldt Bay, the Pacific Ocean, and related industries, especially fishing. Salmon fisheries sprang up along the Eel River as early as 1851, and, within seven years, 2,000 barrels of cured fish and 50,000 pounds (23,000 kg) of smoked salmon were processed and shipped out of Humboldt Bay annually from processing plants on Eureka's wharf. In 1858,

800-532: A combination of geographic features and weather conditions which concealed the narrow bay entrance from view. Despite a well-documented 1806 sighting by Russian explorers, the bay was not definitively known by Europeans until an 1849 overland exploration provided a reliable accounting of the exact location of what is the second-largest bay in California. The timing of this discovery led to the May 13, 1850, founding of

960-453: A complex multimodal transportation network. The earliest archaeological evidence of human settlements in the Bay Area dates back to 8000–10,000 BC. The oral tradition of the Ohlone and Miwok people suggests they have been living in the Bay Area for several hundreds if not thousands of years. The Spanish empire claimed the area beginning in the early period of Spanish colonization of

1120-634: A construct of the U.S. Census Bureau, which is synonymous with the County of Humboldt. As of the census of 2000, there were 26,128 people. The population density was 2,764.5 inhabitants per square mile (1,067.4/km ). There were 11,637 housing units at an average density of 1,231.3 units per square mile (475.4 units/km ). The racial makeup of the city was 88.5% White, 1.2% Black or African American, 4.2% Native American, 2.6% Asian, 0.3% Pacific Islander, 2.7% from other races, and 5.10% from two or more races. Hispanic or Latino people of any race were 10.8% of

1280-551: A few nights per year, and daytime temperatures for these days are typically mild temperatures ranging between 43–58 °F (6.1–14.4 °C). Eureka has never recorded an ice day, with the coldest daytime maximum being 34 °F (1 °C) in 1990. Between 1991 and 2020, the coldest daytime high of the year was 45 °F (7 °C) and the warmest night averaged 59 °F (15 °C). NOAA ’s weather station averages indicate only 0.18 in (4.6 mm) of rainfall in July, which

1440-584: A few years earlier, which now provides drinking water for 2.4 million people in the Bay Area. By 1915, the city had been sufficiently rebuilt and advertised itself to the world during the Panama Pacific Exposition that year, although the effects of the quake hastened the loss of the region's dominant status in California to the Los Angeles metropolitan area . During the 1929 stock market crash and subsequent economic depression , not

1600-559: A first in the United States, and four years later a majority of voters in the Bay Area rejected California Proposition 8 , which sought to constitutionally restrict marriage to opposite-sex couples but ultimately passed statewide. The Bay Area was also the center of contentious protests concerning racial and economic inequality . In 2009, an African-American man named Oscar Grant was fatally shot by Bay Area Rapid Transit police officers , precipitating widespread protests across

1760-468: A full list of prefixes, see California postmile § Official postmile definitions ). Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Humboldt County . Eureka, California Eureka ( / j ʊ ˈ r iː k ə / yuurr- EE -kə ; Wiyot : Jaroujiji ; Hupa : dahwilahłding ; Karok : Uuth )

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1920-755: A major domestic military and naval hub, with large shipyards constructed in Sausalito and across the East Bay to build ships for the war effort. The Army's San Francisco Port of Embarkation was the primary origin for Army forces shipping out to the Pacific Theater of Operations . That command consisted of fourteen installations including Fort Mason, the Oakland Army Base , Camp Stoneman and Fort McDowell in San Francisco Bay and

2080-464: A mild 64 °F (17.8 °C). This phenomenon, together with cool breezes from the Pacific Ocean, keeps Eureka relatively cool and mild, while contrasting with inland areas in relative proximity to Humboldt Bay, which are prone to extreme temperatures that often exceed 100 °F (37.8 °C). This causes frequent temperature differences between Eureka and nearby inland areas during summer and early fall of 30 to 40 °F (17 to 22 °C). Despite

2240-593: A nationally recognized Old Town Historic District . Eureka is home to California's oldest zoo, the Sequoia Park Zoo . The Wiyot people lived in Jaroujiji ( Wiyot for 'where you sit and rest'), now known as Eureka, for thousands of years before European arrival . Their traditional coastal homeland ranges from the Little River in the north to Bear River Ridge in the south, including

2400-474: A rate of one thousand per week on their way to California's interior, including the first large influx of Chinese immigrants to the U.S. The rush was so great that vessels were abandoned by the hundreds in San Francisco's ports as crews rushed to the goldfields. The unprecedented influx of new arrivals spread the nascent government authorities thin, and the military was unable to prevent desertions. As

2560-799: A result of the Eureka Community Plan of 1995 in attempt to bring locals close to centers of recreation and encourage community interaction. The city then gives way to hills and mountains of the rugged coast range, which quickly exceed 2,000 feet (610 m) in elevation. Eureka is more or less on the same latitude as Atlantic cities New York City and Porto in Portugal along with the Mediterranean city of Naples in Italy , all of whom have much warmer summers in spite of also being on coastlines. By comparison, New York City's climate

2720-466: A result, numerous vigilante groups formed to provide order, but many tasked themselves with forcibly moving or killing local Native Americans , and by the end of the Gold Rush, two thirds of the indigenous population had been killed. During this same time, a constitutional convention was called to determine California's application for statehood into the United States. After statehood was granted,

2880-499: A significant earthquake hazard. Among the more well-understood faults, as of 2014, scientists estimate a 72% probability of a magnitude 6.7 earthquake occurring along either the Hayward, Rogers Creek, or San Andreas fault, with an earthquake more likely to occur in the East Bay's Hayward Fault. Two of the largest earthquakes in recent history were the 1906 San Francisco earthquake and the 1989 Loma Prieta earthquake . The Bay Area

3040-482: A single San Francisco-based bank failed, while the region attempted to spur job growth by simultaneously undertaking two large infrastructure projects: construction of the Golden Gate Bridge , which would connect San Francisco with Marin County , and the Bay Bridge , which would connect San Francisco with Oakland and the East Bay. After the United States joined World War II in 1941, the Bay Area became

3200-622: A single county, Alameda. Diverse assemblages adjoin in complex arrangements due to offsets along the many faults (both active and stable) in the area. As a consequence, many types of rock and soil are found in the region. The oldest rocks are metamorphic rocks that are associated with granite in the Salinian Block west of the San Andreas Fault . These were formed from sedimentary rocks of sandstone , limestone , and shale in uplifted seabeds. Volcanic deposits also exist in

3360-410: A stampede of wealth-seekers descending on Sutter's Mill . The Bay Area's population quickly emptied out as laborers, clerks, waiters, and servants joined the rush to find gold, and California's first newspaper, The Californian , was forced to announce a temporary freeze in new issues due to labor shortages. By the end of 1849, news had spread across the world and newcomers flooded into the Bay Area at

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3520-675: A storm sank the San Agustin and killed between 7 and 12 people. On December 8, 80 remaining crew members set sail on the San Buenaventura , a launch which was partially constructed en route from the Philippines . Seeking the fastest route south, the expedition sailed past the Golden Gate, arriving at Puerto de Chacala, Mexico on January 17, 1596. The Bay Area estuaries remained unknown to Europeans until members of

3680-443: A traditional grid that generally radiates toward the points of the compass. Most post-1970 houses were built in formerly clear cut forested areas. The transition between the official city limits and smaller unincorporated areas is mostly not discernible. Eastern areas including secluded developments on a golf course among or in close proximity to extensive second-growth forest have more recently developed. These new houses were built as

3840-517: A warmer absolute maximum temperature than both the two high summer months of July and August. The absolute maximum temperature of July is merely 77 °F (25 °C) in spite of the high sun strength. The two warmest nights measured in Eureka were both during winter, as January 18, 1981, recorded a low of 63 °F (17 °C), tying a February 26, 1980, record. In addition, Eureka has a very short and milder range of temperatures compared to most of

4000-446: Is 283 miles (455 km) north of San Francisco and 315 mi (507 km) northwest of Sacramento . The city marina is on one of three islands at a narrow point on the 13-mile-long (21 km) bay and increases in elevation slightly as it spreads north, south, and especially to the east. The city gently encroaches at least two miles (3.2 km) eastward into primarily Redwood and Douglas-fir second growth forests. The city has

4160-520: Is a city and the county seat of Humboldt County , located on the North Coast of California . The city is located on U.S. Route 101 on the shores of Humboldt Bay , 270 miles (435 km) north of San Francisco and 100 miles (161 km) south of the Oregon border. At the 2020 census , the population of the city was 26,512 and the population of the greater Eureka area was 48,119. Eureka

4320-787: Is accepted by most local governmental agencies including San Francisco Regional Water Quality Control Board , Bay Area Air Quality Management District , the San Francisco Bay Restoration Authority , the Metropolitan Transportation Commission , and the Association of Bay Area Governments , the latter two of which partner to deliver a Bay Area Census using the nine-county definition. Various U.S. Federal government agencies use definitions that differ from their local counterparts' nine-county definition. For example,

4480-403: Is additionally known for the complexity of its landforms, the result of millions of years of tectonic plate movements. Because the Bay Area is crossed by six major earthquake faults , the region is particularly exposed to hazards presented by large earthquakes. The climate is temperate and conducive to outdoor recreational and athletic activities such as hiking, running, and cycling. The Bay Area

4640-540: Is administered by the Office of the City Manager. The Eureka City Council regularly meets on the 1st and 3rd Tuesdays of the month at 5:30 pm for closed session, and 6:30 pm for open session. Open sessions are open to the public. Eureka is in the 2nd Senate District , represented by Democrat Mike McGuire , and the 2nd Assembly District , represented by Democrat Jim Wood . Federally, Eureka

4800-619: Is far more continental than Eureka's, despite both cities being located around the 41st parallel and near the ocean. Eureka has a mild, temperate cool-summer mediterranean climate ( Köppen climate classification : Csb ). Due to the influence of the Pacific Ocean and being on the shoreline of the cold-water Humboldt Bay , its temperatures are cooler than those of a typical mediterranean climate. Winters are mild and rainy, and summers are mild, cool, and dry. The average high in December,

4960-867: Is home to a complex network of watersheds, marshes, rivers, creeks, reservoirs, and bays that predominantly drain into the San Francisco Bay and Pacific Ocean. The largest bodies of water in the Bay Area are the San Francisco , San Pablo , and Suisun estuaries. Major rivers of the North Bay include the Napa River , the Petaluma River , the Gualala River , and the Russian River ; the former two drain into San Pablo Bay ,

California State Route 255 - Misplaced Pages Continue

5120-474: Is host to five professional sports teams and is a cultural center for music, theater, and the arts. It is also host to numerous higher education institutions, including research universities such as the University of California, Berkeley , and Stanford University , the latter known for helping to create the high tech center called Silicon Valley . Home to 101 municipalities and 9 counties, governance in

5280-547: Is in California's 2nd congressional district , represented by Democrat Jared Huffman . [REDACTED] U.S. Route 101 is the major north and south highway, which connects Eureka to the rest of the North Coast region. The highway connects to Oregon , located approximately 100 miles (161 km) to the north, and San Francisco, over 250 miles (402 km) to the south. The highway follows city streets through

5440-579: Is known collectively as the "Samoa Bridge", the bridge is considered a freeway. Highway 255 provides direct access to industrial operations on the Samoa Peninsula and the communities of Samoa , Fairhaven , and Manila , all of which are located on the Samoa Peninsula, with the entire combined area located within Greater Eureka. SR 255 is part of the National Highway System , a network of highways that are considered essential to

5600-468: Is largely influenced by the cold California Current , which penetrates the natural mountainous barrier along the coast by traveling through various gaps. In terms of precipitation , this means that the Bay Area has pronounced seasons. The winter season, which roughly runs between November and March, is the source of about 82% of annual precipitation in the area. In the South Bay and further inland, while

5760-421: Is located to the north of Eureka. The Yurok Tribe's language revitalization program is seen by many as the most successful of its kind in California, and as of 2013 , Eureka High School has the largest Yurok language program of any school. For nearly 300 years after 1579, European exploration of the coast of what would become northern California repeatedly missed definitively locating Humboldt Bay because of

5920-421: Is the largest coastal city between San Francisco and Portland, Oregon , and the westernmost city of more than 25,000 residents in the 48 contiguous states. The proximity to the sea causes the city to have an extremely maritime climate with very small annual temperature differences and seasons mainly being defined by the rainy winters and dry summers , whereas nearby inland areas are much hotter in summer. It

6080-665: Is the regional center for government, health care, trade, and the arts on the North Coast north of the San Francisco Bay Area . Greater Eureka, one of California's major commercial fishing ports, is the location of the largest deep-water port between San Francisco and Coos Bay , a stretch of about 500 miles (805 km). The headquarters of both the Six Rivers National Forest and the North Coast Redwoods District of

6240-468: Is well within the mediterranean range, only with rainier winters, cooler and milder air than a typical mediterranean climate. Winter temperatures instead are similar to many climates found in Southern Europe from which basin the climate type is named. The area experiences coastal fog throughout the year, especially during summer on the coast when temperatures in the city remain consistently around

6400-604: The Bank of Italy (now known as the Bank of America ), had managed to retrieve the money from his bank's vaults before fires broke out through the city and was the only bank with liquid funds readily available and was instrumental in loaning out funds for rebuilding efforts. Congress immediately approved plans for a reservoir in Hetch Hetchy Valley in Yosemite National Park , a plan they had denied

6560-559: The Bay Area , is a region of California surrounding and including San Francisco Bay . The Association of Bay Area Governments defines the Bay Area as including the nine counties that border the estuaries of San Francisco Bay, San Pablo Bay , and Suisun Bay : Alameda , Contra Costa , Marin , Napa , San Mateo , Santa Clara , Solano , Sonoma , and San Francisco . Other definitions may be either smaller or larger, and may include neighboring counties which are not officially part of

California State Route 255 - Misplaced Pages Continue

6720-505: The California State Parks System are in Eureka. As entrepôt for hundreds of lumber mills that once existed in the area, the city played a leading role in the historic West Coast lumber trade . The entire city is a state historic landmark, which has hundreds of significant Victorian homes, including the nationally recognized Carson Mansion , and the city has retained its original 19th-century commercial core as

6880-546: The Christmas flood of 1964 , which severely damaged the region, may not be reflected in records listed herein. Snowfall on the coast happens only on rare occasions, averaging 0.2 in (0.51 cm) as of the 1981–2010 normals, but only five years during that period received measurable snowfall. The most snowfall in one month was 6.9 in (18 cm) in January 1907. See or edit raw graph data . The population of

7040-624: The Federal Communications Commission (FCC) which regulates broadcast, cable, and satellite transmissions, includes nearby Colusa , Lake and Mendocino counties in their " San Francisco - Oakland - San Jose " media market , but excludes eastern Solano County. On the other hand, the United States Office of Management and Budget , which designates metropolitan statistical areas (MSAs) and combined statistical areas (CSA) for populated regions across

7200-597: The Golden Gate or the estuaries, likely due to fog. Sir Francis Drake became the first European to land in the area and claim it in June 1579, when he landed at Drakes Bay near Point Reyes. Even though he claimed the region for Queen Elizabeth I as Nova Albion or New Albion , the English made no immediate follow up to the claim. In 1595, Philip II of Spain tasked Sebastião Rodrigues Soromenho with mapping

7360-711: The Hayward Fault Zone , Concord-Green Valley Fault , Calaveras Fault , Clayton-Marsh Creek-Greenville Fault , Rodgers Creek Fault , and the San Gregorio Fault . Significant blind thrust faults (faults with near vertical motion and no surface ruptures) are associated with portions of the Santa Cruz Mountains and the northern reaches of the Diablo Range and Mount Diablo . These "hidden" faults, which are not as well known, pose

7520-662: The Hayward fault , and the Diablo Range , which includes Mount Diablo and Mount Hamilton and runs along the Calaveras fault . In total, the Bay Area is traversed by seven major fault systems with hundreds of related faults, all of which are stressed by the relative motion between the Pacific Plate and the North American Plate or by compressive stresses between these plates. The fault systems include

7680-516: The Internet in the middle of the decade rapidly created a speculative bubble in the high-tech economy known as the dot-com bubble . This bubble began collapsing in the early 2000s and the industry continued contracting for the next few years, nearly wiping out the market. Companies like Amazon.com and Google managed to weather the crash however, and following the industry's return to normalcy, their market value increased significantly. Even as

7840-619: The North Pacific High through the Golden Gate, which creates the city's characteristic cool winds and fog . The microclimate phenomenon is most pronounced during this time, when fog penetration is at its maximum in areas near the Golden Gate strait, while the South Bay and areas further inland are sunny and dry. Along the San Francisco peninsula, gaps in the Santa Cruz Mountains , one south of San Bruno Mountain and another in Crystal Springs, allow oceanic weather into

8000-494: The Pacific Ocean on the west and the bay on the east and are characterized by their mountainous and woody terrain. Sonoma and Napa counties are known internationally for their grape vineyards and wineries , and Solano County to the east, centered around Vallejo , is the fastest growing region in the Bay Area. The " Peninsula " subregion includes the cities and towns on the San Francisco Peninsula, excluding

8160-615: The Portolá expedition , while trekking along the California coast, encountered them in 1769 when the Golden Gate blocked their continued journey north. Several missions were founded in the Bay Area during this period. In 1806, a Spanish expedition led by Gabriel Moraga began at the Presidio, traveled south of the bay, and then east to explore the San Joaquin Valley . In 1821, Mexico gained its independence from Spain and

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8320-604: The San Joaquin River Delta , causing a cooling effect in Stockton and Sacramento , so that these cities are also cooler than their Central Valley counterparts in the south. The Bay Area is home to a diverse array of wildlife and, along with the connected San Joaquin River Delta represents one of California's most important ecological habitats. California's Dungeness crab , Pacific halibut , and

8480-684: The USS ; Portsmouth into the bay and seized San Francisco, which was then known as Yerba Buena , and raised the American flag for the first time over Portsmouth Square . In 1848, James W. Marshall 's discovery of gold in the American River sparked the California Gold Rush , and within half a year 4,000 men were panning for gold along the river and finding $ 50,000 per day. The promise of fabulous riches quickly led to

8640-559: The University of California, Berkeley Richard Walker claimed that "no other U.S. city-region is as definitionally challenged [as the Bay Area]." When the region began to rapidly develop during and immediately after World War II , local planners settled on a nine-county definition for the Bay Area, consisting of the counties that directly border the San Francisco , San Pablo , and Suisun estuaries : Alameda , Contra Costa , Marin , Napa , San Francisco , San Mateo , Santa Clara , Solano , and Sonoma counties. Today, this definition

8800-418: The contiguous US , with the all-time highest and lowest temperatures recorded in Eureka being only 87 °F (30.6 °C) on October 26, 1993, September 2, 2017, and September 28, 2020, and 20 °F (−6.7 °C) on January 14, 1888, respectively. On average, the highest temperature seen throughout the entire year is only 79 °F (26.1 °C), one of the coolest in the contiguous US, while on average

8960-485: The gay rights movement . At the same time, parts of San Mateo and Santa Clara counties began to rapidly develop from an agrarian economy into a hotbed of the high-tech industry . Fred Terman , the director of a top-secret research project at Harvard University during World War II, joined the faculty at Stanford University in order to reshape the university's engineering department. His students, including David Packard and William Hewlett , would later help usher in

9120-401: The osprey . In 1927, zoologist Joseph Grinnell wrote that osprey were only rare visitors to the San Francisco Bay Area, although he noted records of one or two used nests in the broken tops of redwood trees along the Russian River . In 1989, the southern breeding range of the osprey in the Bay Area was Kent Lake , although osprey were noted to be extending their range further south in

9280-446: The west coast of the United States , including populations residing in tributaries to San Francisco Bay. California Coast Chinook salmon were historically native to the Guadalupe River in San Francisco Bay, and Chinook salmon runs persist today in the Guadalupe River, Coyote Creek , Napa River , and Walnut Creek . Industrial, mining, and other uses of mercury have resulted in a widespread distribution of that poisonous metal in

9440-419: The "outside" world had changed dramatically after more than half a century of stage rides or treacherous steamship passage through the Humboldt Bar and on the Pacific Ocean to San Francisco. The building of the Eureka Inn coincided with the opening of the new road to San Francisco. As a result of immense civic pride during this early-20th-century era of expansion, Eureka officially nicknamed itself "Queen City of

9600-421: The 1980s an effort to re-introduce the species to the area began with the Santa Cruz Predatory Bird Research Group and the San Francisco Zoo importing birds and eggs from Vancouver Island and northeastern California, and there are now nineteen nesting couples in eight of the Bay Area's nine counties. Other once absent species that have returned to the Bay Area include Swainson's hawk , white tailed kite , and

9760-586: The 19th century, has been restored and has become a lively arts center. The Old Town area has been declared an Historic District by the National Register of Historic Places . The district is made up of over 150 buildings, which in total represents much of Eureka's original 19th-century core commercial center. This nexus of culture behind the redwood curtain still contains much of its Victorian architecture , which, if not maintained for original use as commercial buildings or homes, have been transformed into scores of unique lodgings, restaurants, and small shops featuring

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9920-437: The 50th parallel. The seasonal temperature variation is very small; the difference between the August average of 58.5 °F (14.7 °C) and the December average of 47.8 °F (8.8 °C) is only 10.7 °F (5.9 °C), about equal to the diurnal temperature variation . Eureka is unique among mid-latitude climates in the northern hemisphere in that in more than 135 years of recorded temperatures, February has measured

10080-441: The Americas . The earliest Spanish exploration of the Bay Area took place in 1769. The Mexican government controlled the area from 1821 until the 1848 Treaty of Guadalupe Hidalgo . Also in 1848, James W. Marshall discovered gold in nearby mountains , resulting in explosive immigration to the area and the precipitous decline of the Native population . The California Gold Rush brought rapid growth to San Francisco . California

10240-416: The Bay Area at the time of first European contact were descended from Siberian tribes who arrived at around 1,000 BCE by sailing over the Arctic Ocean and following the salmon migration. However the current academic consensus is compatible with the oral tradition of the Ohlone and Miwok peoples, which suggests they have been living in the Bay Area for several hundreds if not thousands of years. At

10400-439: The Bay Area became part of the Mexican province of Alta California , a period characterized by ranch life and visiting American trappers. Mexico's control of the territory would be short-lived, however, and in 1846 a party of settlers occupied Sonoma Plaza and proclaimed the independence of the new Republic of California . That same year, the Mexican–American War began, and American captain John Berrien Montgomery sailed

10560-449: The Bay Area has experienced numerous political, cultural, and artistic movements, developing unique local genres in music and art and establishing itself as a hotbed of progressive politics . Economically, the post-war Bay Area saw large growth in the financial and technology industries, creating an economy with a gross domestic product of over $ 700 billion. In 2018 it was home to the third-highest concentration of Fortune 500 companies in

10720-402: The Bay Area involves numerous local and regional jurisdictions, often with broad and overlapping responsibilities. The Coyote Hills Shell Mound, the earliest known archaeological evidence of human habitation of the Bay Area estuaries, dates to around 10,000 BCE, with evidence pointing to even earlier settlement in Point Reyes in Marin County . It has been conjectured that the people living in

10880-509: The Bay Area their home, making the region a popular destination for birdwatching . Many birds are listed as endangered species despite once being common in the region. Western burrowing owls were originally listed as a species of special concern by the California Department of Fish and Game in 1979. California's population declined 60% from the 1980s to the early 1990s, and continues to decline at roughly 8% per year. A 1992–93 survey reported little to no breeding burrowing owls in most of

11040-434: The Bay Area, all naturally spawned anadromous steelhead populations below natural and manmade impassable barriers in California streams from the Russian River to Aptos Creek , and the drainages of San Francisco, San Pablo, and Suisun Bays are listed as threatened under the Federal Endangered Species Act . The Central California Coast coho salmon population is the most endangered of the many troubled salmon populations on

11200-420: The Bay Area, left behind by the movement of the San Andreas Fault, whose movement sliced a subduction plate and allowed magma to briefly flow to the surface. The region has considerable vertical relief in its landscapes that are not in the alluvial plains leading to the bay or in the inland valleys. The topography, and geologic history, of the Bay Area can largely be attributed to the compressive forces between

11360-420: The Bay Area: the Karkin of the Carquinez Strait , the Chochenyo of the East Bay , the Ramaytush of the San Francisco Peninsula , and the Tamien of the South Bay. The Miwok had two major groups in the Bay Area: the Bay Miwok of Contra Costa and the Coast Miwok of Marin and Sonoma . In 1542, Juan Rodríguez Cabrillo explored the Pacific coast near the Bay Area though the expedition did not see

11520-507: The Bay. The wild turkey population was introduced in the 1960s by state game officials, and by 2015 have become a common sight in East Bay communities. The Bay Area is well known for the complexity of its landforms that are the result of the forces of plate tectonics acting over of millions of years, since the region is located in the middle of a meeting point between two plates. Nine out of eleven distinct assemblages have been identified in

11680-487: The California scorpionfish are all significant components of the bay's fisheries . The bay's salt marshes now represent most of California's remaining salt marsh and support a number of endangered species and provide key ecosystem services such as filtering pollutants and sediments from the rivers. Most famously, the bay is a key link in the Pacific Flyway and with millions of shorebirds annually visiting

11840-745: The Central Valley and the Sierra Nevada. In 2014, a Bay Area-wide survey found osprey had extended their breeding range southward with nesting sites as far south as Hunters Point in San Francisco on the west side and Hayward on the east side, while further studies have found nesting sites as far south as the Los Gatos Creek watershed, indicating that the nesting range now includes the entire length of San Francisco Bay. Most nests were built on man-made structures close to areas of human disturbance, likely due to lack of mature trees near

12000-575: The City of Eureka voted unanimously to return 45 acres (18 ha) of Tuluwat Island to the Wiyot Tribe as an act of reparation , representing a historic victory for the Land Back movement. Eureka's first post office opened in 1853 just as the town began to carve its grid plan into the edge of a forest it would ultimately consume to feed the building of San Francisco and points beyond. Many of

12160-664: The East Bay receives oceanic weather that travels through the Golden Gate strait, and further diffuses that air through the Berkeley Hills , Niles Canyon and the Hayward Pass into the Livermore Valley and Altamont Pass . Here, the resulting breeze is so strong that it is home to one of the world's largest array of wind turbines . Further north, the Carquinez Strait funnels the ocean weather into

12320-629: The Eureka Slough (mouth of the Freshwater Creek). [REDACTED] State Route 255 is an alternate route of U.S. 101 between Eureka and the nearby city of Arcata , running along the western shore of Humboldt Bay. It begins in the downtown area at U.S. 101 and proceeds north along R Street towards the Samoa Bridge and the community of Samoa . San Francisco Bay Area The San Francisco Bay Area , commonly known as

12480-501: The Humboldt County Office of Education. St. Joseph Hospital is the largest private employer in Eureka. The City of Eureka has a mayor-council system of governance. Primary power lies with the five council members, divided into five wards. The mayor has the power to appoint, as well as ceremonial duties, though the job includes presiding over council meetings and meeting visiting dignitaries. Official city business

12640-515: The Madaket, continues operating as a tour boat on Humboldt Bay. Except where prefixed with a letter, postmiles were measured on the road as it was in 1964 , based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary ( for

12800-810: The Pacific Plate and the North American plate. The three major ridge structures in the Bay Area, part of the Pacific Coast Range , are all roughly parallel to the major faults . The Santa Cruz Mountains along the San Francisco Peninsula and the Marin Hills in Marin County follow the San Andreas fault , The Berkeley Hills , San Leandro Hills and their southern ridgeline extension through Mission Peak roughly follow

12960-488: The San Francisco Bay Area are not officially delineated, and the unique development patterns influenced by the region's topography , as well as unusual commute patterns caused by the presence of three central cities and employment centers located in various suburban locales, has led to considerable disagreement between local and federal definitions of the area. Because of this, professor of geography at

13120-540: The San Francisco Bay Area, such as the Central Coast counties of Santa Cruz , San Benito , and Monterey , or the Central Valley counties of San Joaquin , Merced , and Stanislaus . The Bay Area is known for its natural beauty, prominent universities, technology companies, and affluence. The Bay Area contains many cities, towns, airports, and associated regional, state, and national parks, connected by

13280-606: The Ultimate West." The tourism industry, lodging to support it, and related marketing had been born. The timber economy of Eureka is part of the Pacific Northwest timber economy which rises and falls with boom-and-bust economic times. In Eureka, both the timber industry and commercial fishing declined after the Second World War. The Columbus Day Storm of 1962 downed trees and caused a surplus in

13440-540: The United States. The Bay Area is home to approximately 7.52 million people. The larger federal classification, the combined statistical area of the region which includes 13 counties, is the second-largest in California—after the Greater Los Angeles area—and the fifth-largest in the United States, with over 9 million people. The Bay Area's population is ethnically diverse: roughly three-fifths of

13600-651: The West, both before and after the Chinese Exclusion Act . Economic downturns resulting in competition for jobs fed sinophobia and violent actions against Chinese immigrants, especially on the Pacific coast. In February 1885, Eureka City Councilman David Kendall was caught in the crossfire of two rival Chinese gangs and killed. A group of 600 White vigilantes forcibly and permanently evicted all 480 Chinese residents of Eureka's Chinatown. Among those who guarded

13760-488: The Whale , a humpback whale who entered San Francisco Bay twice on errant migrations in the late 1980s and early 1990s. Bottlenose dolphins and harbor porpoises have recently returned to the bay, having been absent for many decades. Historically, this was the northern extent of their warm-water species range. In addition to the many species of marine birds that can be seen in the Bay Area, many other species of birds make

13920-686: The area was the 7.2 M w   event on November 8, 1980 . The larger earthquakes can pose a tsunami threat to coastal areas. According to the United States Census Bureau , the city has a total area of 14.5 square miles (38 km ), of which 9.4 square miles (24 km ) is land and 5.1 square miles (13 km ) or 35.07% is water. Eureka is situated within California's Redwood Empire region which includes Pacific Ocean coast, Humboldt Bay , and several rivers in addition to Redwood National and State Parks and Humboldt Redwoods State Park . The location of Eureka on U.S. 101

14080-472: The area's largest city and the 13th-most populous in the United States . Despite its urban character, San Francisco Bay is one of California's most ecologically sensitive habitats, providing important ecosystem services such as filtering the pollutants and sediments from rivers and supporting a number of endangered species . In addition, the Bay Area is known for its stands of coast redwoods , many of which are protected in state and county parks. The region

14240-585: The area. Commercial Pacific oyster aquaculture in Humboldt Bay produced an average of 7,600,000 pounds (3,400,000 kg) of oysters from 1956 to 1965 an average of 844,444 pounds (383,033 kg) per year. In 2004, only 600,000 pounds (270,000 kg) were harvested. Oysters and oyster seed continue to be exported from Humboldt Bay. The value of the oysters and spawn is more than $ 6 million per year. Consolidation of buyers and landing facilities resulted in local vulnerability to unexpected events, leading

14400-414: The average family size was 2.93. In the city, the population dispersal was 22.4% under the age of 18, 11.6% from 18 to 24, 28.9% from 25 to 44, 23.5% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 98.1 males. For every 100 females age 18 and over, there were 95.7 males. The median income for a household in the city was $ 25,849, and

14560-590: The bay has been significantly altered heavily re-engineered to accommodate the needs of water delivery, shipping, agriculture, and urban development, with side effects including the loss of wetlands and the introduction of contaminants and invasive species . Approximately 85% of those marshes have been lost or destroyed, but about 50 marshes and marsh fragments remain. Huge tracts of the marshes were originally destroyed by farmers for agricultural purposes, then repurposed to serve as salt evaporation ponds to produce salt for food and other purposes. Today, regulations limit

14720-436: The bay into north and south regions. In 1989, the federal Environmental Protection Agency defined the South Bay as the northern part of Santa Clara County and the southeastern part of San Mateo County. The Bay Area is located in the warm-summer Mediterranean climate zone ( Köppen Csb ) that is a characteristic of California's coast, featuring mild to cool winters with occasional rainfall, and warm to hot, dry summers. It

14880-444: The bay shallows as a refuge, is the most important component of the flyway south of Alaska . Many endangered species of birds are also found here: the California least tern , the California clapper rail , the snowy egret , and the black crowned night heron . There is also a significant diversity of salmonids present in the bay. Steelhead populations in California have dramatically declined due to human and natural causes; in

15040-563: The bay to the northern peninsula before reaching the heavily industrialized area adjacent to Eureka. Completion of the Samoa Bridge and the creation and designation of Highway 255, completed a circle around Arcata Bay by connecting to the New Navy Base Road (a portion now designated as 255), along the peninsula connecting Samoa to the Eureka shore of the bay. This resulted in making the ferry system obsolete. However, one ferry,

15200-488: The bay, with uptake in the bay's phytoplankton and contamination of its sportfish . Aquatic mammals are also present in the bay. Before 1825, Spanish, French, English, Russians and Americans were drawn to the Bay Area to harvest prodigious quantities of beaver , river otter , marten, fisher, mink, fox, weasel, harbor and fur seals and sea otter . This early fur trade, known as the California Fur Rush ,

15360-547: The capital city moved between three cities in the Bay Area: San Jose (1849–1851), Vallejo (1851–1852), and Benicia (1852–1853) before permanently settling in Sacramento in 1854. As the Gold Rush subsided, wealth generated from the endeavor led to the establishment of Wells Fargo Bank and the Bank of California , and immigrant laborers attracted by the promise of wealth transformed the demographic makeup of

15520-504: The city jail during the height of the sinophobic tension was James Gillett , who went on to become Governor of California . The anti-Chinese ordinance was repealed in 1959. Completion of the Northwestern Pacific Railroad in 1914 provided the local lumber industry with an alternative to ships for transport of its millions of board feet of lumber to reach markets in San Francisco and beyond. It also provided

15680-422: The city limits and at least 50 more in nearby Fields Landing , which is part of Greater Eureka. Area catches historically include, among other species, salmon, tuna, Dungeness crab, and shrimp, with historic annual total fishing landings totaling about 36,000,000 pounds (16,000,000 kg) in 1981. Racist views of Chinese immigrants in the late 19th century led to violent attacks on them by White settlers across

15840-505: The city of San Francisco, natural and artificial topographical features direct the movement of wind and fog, resulting in startlingly varied climates between city blocks. Along the Golden Gate Strait , oceanic wind and fog from the Pacific Ocean are able to penetrate the mountain barriers inland into the Bay Area. During the summer, rising hot air in California's interior valleys creates a low pressure area that draws winds from

16000-794: The city to obtain grant funding for and complete the Fishermen's Terminal on the waterfront which will provide fish handling, marketing, and public spaces. The area regularly experiences large earthquakes as it is situated on the southern end the Cascadia subduction zone and near the San Andreas Fault , which interface around the Mendocino Triple Junction . On December 20, 2022, a magnitude 6.4 earthquake struck Ferndale, California in Humboldt County, United States at 10:34:25 UTC, or 2:34 a.m. PST. On January 9, 2010,

16160-671: The city was 27,191 at the 2010 census , up from 26,128 at the 2000 census , representing a 4.1% increase, and the population of Greater Eureka was 45,034 at the 2010 Census, up from 43,452 at the 2000 census, representing a 3.6% increase. According to a report by the City of Eureka, the Greater Eureka area minimally includes the unincorporated adjacent or nearby neighborhoods and Census Defined Populated Areas of Bayview, Cutten, Elk River, Freshwater, Humboldt Hill, Indianola, Myrtletown, Pine Hill, Ridgewood Heights, and Rosewood, all of which have Eureka addresses, postal zip codes and Eureka-specific telephone numbers. The Greater Eureka area makes up

16320-436: The city, with flow and cross-traffic controlled by traffic signals. Highway 101 enters Eureka from the south as Broadway. As it reaches the downtown area, it splits into a one-way couplet composed of 4th Street and 5th Street. On the north side of the city, northbound and southbound rejoin at the northeast side before the highway becomes a restricted (safety corridor) expressway (to Arcata and points beyond) as double bridges cross

16480-505: The common coastal fog, Eureka enjoys on average about 55% possible sunshine per year, about on par with cities such as Calgary , Portland , New York City and Chicago . Annual precipitation averages 40.3 in (1,024 mm). Measurable precipitation falls on an average of 127.5 days each year, concentrated heavily from October to April. On average, December is the wettest month, averaging over 8 in (203.2 mm) of precipitation, virtually all of it rain. The wettest "rain year"

16640-646: The coolest month, is 55.0 °F (12.8 °C), while the average high temperature in August, the warmest month, is 64.3 °F (17.9 °C), which is very mild and cool, respectively, for an area at such a southerly latitude. Eureka's average summer temperatures are much cooler than  New York City and  Istanbul  which lie on the same latitude (and its average winter temperatures are also milder than those two cities); and are similar to those of  Southeast Alaska , Scotland or Tierra del Fuego  in southern Argentina and Chile , which lie well above

16800-485: The country's economy, defense, and mobility by the Federal Highway Administration . Before the Samoa Bridge (actually three spans) was completed in 1971, direct access to Samoa from Eureka was by boat or on a fleet of small ferries constructed on the bay or the original circuitous route. The original alternative was a relatively extensive route which took drivers north to Arcata and then around

16960-494: The country, has five MSAs which include, wholly or partially, areas within the nine-county definition, and one CSA which includes eight Bay Area counties (excluding Sonoma ), but including neighboring San Benito , Santa Cruz , San Joaquin , Merced , and Stanislaus counties. The Association of Bay Area Health Officers (ABAHO), an organization that has fought local outbreaks of HIV/AIDS in 1980s and with COVID-19 pandemic and Delta cron hybrid variant (2020–22), consists of

17120-651: The densely settled core" of up to 50,000 in population. The bayside communities of Manila, Samoa, and Fairhaven (all on the Samoa Peninsula), and King Salmon and Fields Landing (both located south of the city), and communities listed above, with the exception of Elk River and Freshwater, are shown to be part of the Eureka Urban Cluster. Eureka is the largest city of the Eureka-Arcata-Fortuna Micropolitan Area ,

17280-490: The destruction of tidal marshes, and large portions are currently being rehabilitated to their natural state. Over time, droughts and wildfires have increased in frequency and become less seasonal and more year-round, further straining the region's water security . According to the 2010 United States Census , the population of the nine-county Bay Area was 7.15 million, with 49.6% male and 50.4% female. Of these, approximately 2.3 million (32%) are foreign born. In 2010

17440-407: The domestic timber market, which caused increased shipping to foreign markets. The log trade with Japan and other Pacific Rim nations increased. Despite many rumors to the contrary, little of this wood returned to U.S. markets. In 1989, the U.S. changed log export laws, permitting lower-cost timber from public lands to be exported as raw logs overseas to help balance the federal budget. After 1990,

17600-422: The early 1900s, shipment of products occurred by trucks, trains, and ships from Eureka, Humboldt Bay, and other points in the region, but Eureka remained the busy center of all this activity for over 120 years. These factors and others made Eureka a significant city in early California state history. A bustling commercial district with ornate Victorian-style buildings rose in proximity to the waterfront, reflecting

17760-609: The entire coastline of Humboldt Bay, stretching inland to the mountains. The Wiyot people are particularly known for their basketry and fishery management. An extensive collection of intricate basketry of the area's indigenous groups exists in the Clarke Historical Museum in Old Town Eureka . The Yurok people share linguistic and cultural practices with the Wiyot people, and their traditional territory

17920-486: The first immigrants who arrived as prospectors were also lumbermen, and the vast potential for industry on the bay was soon realized, especially as many hopeful gold miners realized the difficulty and infrequency of striking it rich in the mines. By 1854, after only four years since the founding, seven of nine mills processing timber into marketable lumber on Humboldt Bay were within Eureka. A year later, 140 lumber schooners operated in and out of Humboldt Bay moving lumber from

18080-477: The first of many ships built in Eureka was launched, beginning an industry that spanned scores of years. The bay is also the site of the West Coast's largest oyster farming operations, which began its commercial status in the nineteenth century. Eureka is the home port to more than 100 fishing vessels (with an all-time high of over 400 in 1981) in two modern marinas which can berth approximately 400 boats within

18240-666: The first safe land route between San Francisco and Eureka for people to venture to the Redwood Empire. As a result, Eureka's population of 7,300 swelled to 15,000 within ten years. By 1922, the Redwood Highway was completed, providing for the first reliable, direct overland route for automobiles from San Francisco. By 1931, the Eureka Street Railway operated fifteen streetcars over twelve miles (19 km) of track. Eureka's transportation connection to

18400-444: The global log market declined, and exports fell at the same time as Pacific Northwest log prices increased; leading buyers to seek less expensive logs from Canada and the southern United States . Debate continues among four stakeholders: timber owners, domestic processors, consumers and communities, on the impact of log export on the local economy. During the span of 1991 to 2001, timber harvest peaked in 1997. The local timber market

18560-478: The great prosperity experienced during this era. Hundreds of these Victorian homes remain today, of which many are totally restored and a few have always remained in their original elegance and splendor. The representation of these homes in Eureka, grouped with those in nearby Arcata and the Victorian village of Ferndale , are of considerable importance to the overall development of Victorian architecture built in

18720-553: The growth of the technology sector transformed the region's economy, progressive politics continued to guide the region's political environment. By the turn of the millennium, non-Hispanic whites , the largest ethnic group in the United States, were only half of the population in the Bay Area as immigration among minority groups accelerated. During this time, the Bay Area was the center of the LGBT rights movement : in 2004, San Francisco began issuing marriage licenses to same-sex couples ,

18880-581: The hit American pop song San Francisco (Be Sure to Wear Flowers in Your Hair) further enticing like-minded individuals to join the movement in the Bay Area and leading to the Summer of Love . In the proceeding decades, the Bay Area would cement itself as a hotbed of New Left activism, student activism , opposition to the Vietnam War and other anti-war movements , the black power movement , and

19040-523: The interior, causing a cooling effect for cities along the Peninsula and even as far south as San Jose. This weather pattern is also the source for delays at San Francisco International Airport . In Marin county north of the Golden Gate strait, two gaps north of Muir Woods bring cold air across the Marin Headlands , with the cooling effect reaching as far north as Santa Rosa . Further inland,

19200-408: The larger subregions, the East Bay includes a variety of enclaves, including the suburban Tri-Valley area and the highly urban western part of the subregion that runs alongside the bay, including Oakland. The " North Bay " includes Marin , Sonoma , Napa , and Solano counties, and is the geographically largest and least populated subregion. The western counties of Marin and Sonoma are encased by

19360-607: The largest urban settlement on the Pacific Coast between San Francisco and Portland. This area is similar to what the U.S. Census officially defines as the Eureka UC (urban cluster), which is a "densely settled core of census tracts and/or census blocks that meet minimum population density requirements, along with adjacent territory containing non-residential urban land uses as well as territory with low population density included to link outlying densely settled territory with

19520-528: The latter decades of the twentieth century. Today, the major industries are tourism, timber (in value), and healthcare and services (in number of jobs). As a part of the Emerald Triangle , Eureka is known for the sale of cannabis and as a center for cannabis tourism . Major employers today in Eureka include the following governmental entities: College of the Redwoods , The County of Humboldt, and

19680-493: The latter two into the Pacific Ocean. In the South Bay, the Guadalupe River drains into San Francisco Bay near Alviso . There are also several lakes present in the Bay Area, including man-made lakes like Lake Berryessa and natural albeit heavily modified lakes like Lake Merritt . Prior to the introduction of European agricultural methods, the shores of San Francisco Bay consisted mostly of tidal marshes. Today,

19840-501: The lowest temperature seen in the year (most often occurring at night) is only a similarly moderate 29 °F (−1.7 °C), yielding a very short and mild temperature range of about 50 °F (28 °C) throughout the year. Additionally, Eureka remains the only city on the West Coast of the continental United States to have never recorded a temperature of 90 °F (32.2 °C). Temperatures drop to freezing or below only on

20000-557: The lowest were in 2001 with 9.4 million lb (4.3 million kg). After 1990 regulatory, economic, and other events led to a contraction of the local commercial fleet. In 1991, the Woodley Island marina opened, providing docking facilities for much of Eureka's commercial and recreational fleet. Many species are considered to be overfished. Recreational fishing has increased over time. Fifty percent of recreational fishermen using local boats are tourists from outside

20160-422: The median income for a family was $ 33,438. Males had a median income of $ 28,706 versus $ 22,038 for females. The per capita income for the city was $ 16,174. About 15.8% of families and 23.7% of the population were below the poverty line, including 29.6% of those under the age of 18 and 11.1% of those 65 and older. The 2010 United States Census reported that Eureka had a population of 27,191. The population density

20320-483: The mills to booming cities along the Pacific coast. By the time the charter for Eureka was granted in 1856, busy mills inside the city had a daily production capacity of 220,000 board feet. This level of production, which would grow significantly and continue for more than a century, secured Eureka as the "timber capital" of California. Eureka was at the apex of rapid growth of the lumber industry because of its location between huge coast redwood forests and its control of

20480-437: The nation. The magnificent Carson Mansion on 2nd and M Streets is perhaps the most spectacular Victorian in the nation. The home was built between 1884 and 1886 by renowned 19th-century architects Newsom and Newsom for lumber baron William M. Carson. This project was designed to keep mill workers and expert craftsman busy during a slow period in the industry. Old Town Eureka , the original downtown center of this busy city in

20640-654: The population) lived in households, 1,434 (5.3%) lived in non-institutionalized group quarters, and 449 (1.7%) were institutionalized. There were 11,150 households, out of which 2,891 (25.9%) had children under the age of 18 living in them, 3,554 (31.9%) were opposite-sex married couples living together, 1,449 (13.0%) had a female householder with no husband present, 710 (6.4%) had a male householder with no wife present. There were 1,161 (10.4%) unmarried opposite-sex partnerships , and 146 (1.3%) same-sex married couples or partnerships . 3,971 households (35.6%) were made up of individuals, and 1,183 (10.6%) had someone living alone who

20800-408: The population. There were 10,957 households, out of which 25.8% had children under the age of 18 living with them, 34.8% were married couples living together, 14.0% had a female householder with no husband present, and 46.3% were non-families. 35.3% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older. The average household size was 2.26 and

20960-458: The primary city on the bay, Arcata 's proximity to developing supply lines to inland gold mines ensured supremacy over Eureka through 1856. "Eureka" received its name from a Greek word meaning "I have found it!" This exuberant statement of successful (or hopeful) gold rush miners is also the official motto of the State of California. Eureka is the only U.S. location to use the same seal as

21120-416: The primary port facilities. Loggers brought the enormous redwood trees down. Dozens of movable narrow gauge railroads brought trainloads of logs and finished lumber products to the main rail line, which led directly to Eureka's wharf and waiting schooners. By the 1880s, railroads eventually brought the production of hundreds of mills throughout the region to Eureka, primarily for shipment through its port. After

21280-626: The public health officers of 9 Bay Area counties, in addition to the Central Coast counties of Santa Cruz , San Benito , and Monterey and the city of Berkeley . Among locals, the nine-county Bay Area is divided into five sub-regions: the East Bay , North Bay , Peninsula , city of San Francisco , and South Bay . The " East Bay " is the densest region of the Bay Area outside of San Francisco and includes cities and towns in Alameda and Contra Costa counties centered around Oakland . As one of

21440-497: The racial makeup of the nine-county Bay Area was 52.5% White (42.4% were non-Hispanic and 10.1% were Hispanic ), 23.3% Asian , 6.7% non-Hispanic Black or African American , 0.7% Native American or Alaska Native , 0.6% Pacific Islander , 5.4% from two or more races and 10.8% from other races. Hispanic or Latino residents of any race formed 23.5% of the population. The Bay Area cities of Vallejo , Suisun City , Oakland , San Leandro , Fairfield , and Richmond are among

21600-525: The region and even riots in Oakland. His name was symbolically tied to the Occupy Oakland protests two years later that sought to fight against social and economic inequality. By August 2023, San Francisco was in such severe decline that Mayor Matt Mahan of San Jose joked that one day the region might be renamed the "San Jose Bay Area", after its largest and most prosperous city. The borders of

21760-472: The region's high-tech revolution. In 1955, Shockley Semiconductor Laboratory opened for business in Mountain View near Stanford, and although the business venture was a financial failure, it was the first semiconductor company in the Bay Area, and the talent that it attracted to the region eventually led to a high-tech cluster of companies later known as Silicon Valley . In 1989, in the middle of

21920-412: The region's residents are Hispanic/Latino , Asian , African/Black , Indian , or Pacific Islander , all of whom have a significant presence throughout the region. Most of the remaining two-fifths of the population is non-Hispanic White American . The most populous cities of the Bay Area are San Francisco, Oakland , and San Jose , the latter of which had a population of 969,655 in 2023, making San Jose

22080-563: The region. In the early morning of April 18, 1906, a large earthquake with an epicenter near the city of San Francisco hit the region. Immediate casualty estimates by the U.S. Army 's relief operations were 498 deaths in San Francisco, 64 deaths in Santa Rosa , and 102 in or near San Jose, for a total of about 700. More recent studies estimate the total death count to be over 3,000, with over 28,000 buildings destroyed. Rebuilding efforts began immediately. Amadeo Peter Giannini , owner of

22240-598: The region. Between 1950 and 1960, San Francisco welcomed over 100,000 new residents, inland suburbs in the East Bay saw their populations double, Daly City 's population quadrupled, and Santa Clara 's population quintupled. By the early 1960s, the Bay Area and the rest of Northern California became the center of the counterculture movement . Telegraph Avenue in Berkeley and the Haight-Ashbury neighborhood in San Francisco were seen as centers of activity, with

22400-525: The region. Construction of the First transcontinental railroad from the Oakland Long Wharf attracted so many laborers from China that by 1870, eight percent of San Francisco's population was of Asian origin. The completion of the railroad connected the Bay Area with the rest of the United States, established a truly national marketplace for the trade of goods, and accelerated the urbanization of

22560-677: The settlement of Eureka on its shore by the Union and Mendocino Exploring (development) companies. After the primary California Gold Rush in the Sierras , Humboldt Bay was settled with the intent of providing a convenient alternative to the long overland route from Sacramento to supply miners on the Trinity , Klamath and Salmon Rivers where gold had been discovered. Though the ideal location on Humboldt Bay adjacent to naturally deeper shipping channels ultimately guaranteed Eureka's development as

22720-468: The state for its seal. Incoming settlers began encroaching on Wiyot people by cutting off their access to ancestral sources of food in addition to the outright theft of their land. Fort Humboldt was established by the U.S. Army on January 30, 1853, to establish peaceful relations between Native Americans, gold-seekers and settlers, often at the expense of the life and liberty of the Native people. The fort

22880-648: The sub port of Los Angeles. After World War II, the United Nations was chartered in San Francisco, and in September 1951, the Treaty of San Francisco to re-establish peaceful relations between Japan and the Allied Powers was signed in San Francisco, entering into force a year later. In the years immediately following the war, the Bay Area saw a huge wave of immigration as populations increased across

23040-664: The time of colonization, the Ohlone peoples in the Bay Area primarily lived on the San Francisco Peninsula, in the South Bay and in the East Bay, and the Miwok primarily lived in the North Bay, northern East Bay, and Central Valley. Ohlone villages were spread across the Peninsula, East Bay, South Bay, as well as further south into the Monterey Bay area. There were eight major divisions of Ohlone people, four of which were based in

23200-537: The tip of the San Francisco Peninsula, the city of San Francisco is not considered part of the "Peninsula" subregion, but as a separate entity. The term "South Bay" has different meanings to different groups: Writing in 1959 for the Army Corps of Engineers , the United States Department of Commerce defined the South Bay as comprising five counties, corresponding to their two-way division of

23360-495: The titular city of San Francisco. Its eastern half, which runs alongside the Bay, is highly populated, while its less populated western coast traces the coastline of the Pacific Ocean and is known for its open space and hiking trails. Roughly coinciding with the borders of San Mateo County , it also includes the northwestern Santa Clara County cities of Palo Alto , Mountain View , and Los Altos . Although geographically located on

23520-543: The victims were primarily children, women, and elderly tribal members. Major Gabriel J. Rains , Commanding Officer of Fort Humboldt at the time, reported to his commanding officer that a local group of vigilantes had resolved to "kill every peaceable Indian – man, woman, and child." Although the perpetrators were known, they never faced any legal consequences. Remaining Wiyot people took refuge at Fort Humboldt, but they were not given adequate living accommodations, and so half of them died from starvation or exposure. In 2004,

23680-418: The west coast of the Americas. Soromenho set sail on Manila Galleon San Agustin on July 5, 1595 and in early November they reached land between Point St. George and Trinidad Head , north of the Bay Area, in the Lost Coast . The expedition followed the coast southward and on November 7 the San Agustin anchored in Drakes Bay, and claimed the region as Puerto y Bahía de San Francisco . In late November,

23840-419: The western counties in the Bay Area, leaving only Alameda , Contra Costa , and Solano counties as remnants of a once large breeding range. Bald eagles were once common in the Bay Area, but habitat destruction and thinning of eggs from DDT poisoning reduced the California state population to 35 nesting pairs. Bald eagles disappeared from the Bay Area in 1915, and only began returning in recent years. In

24000-459: The winter season is cool and mild, the summer season is characterized by warm sunny days, while in San Francisco and areas closer to the Golden Gate strait, the summer season is periodically affected by fog. Due to the Bay Area's diverse topographic relief (itself the result of the clashing tectonic plates ), the region is home to numerous microclimates that lead to pronounced differences in climate and temperature over short distances. Within

24160-425: Was admitted as the 31st state in 1850. A major earthquake and fire leveled much of San Francisco in 1906. During World War II , the Bay Area played a major role in America's war effort in the Asiatic-Pacific Theater , with the San Francisco Port of Embarkation , of which Fort Mason was one of 14 installations and location of the headquarters, acting as a primary embarkation point for American forces. Since then,

24320-413: Was 1,881.3 inhabitants per square mile (726.4/km ). The racial makeup of Eureka was 21,565 (79.3%) White , 514 (1.9%) African American , 1,011 (3.7%) Native American , 1,153 (4.2%) Asian , 176 (0.6%) Pacific Islander , 1,181 (4.3%) from other races , and 1,591 (5.9%) from two or more races. There were 3,143 Hispanic or Latino people of any race (11.6%). The census reported that 25,308 people (93.1% of

24480-438: Was 2.0%; the rental vacancy rate was 3.7%. 11,251 people (41.4% of the population) lived in owner-occupied housing units and 14,057 people (51.7%) lived in rental housing units. The economic base of the city was founded on timber and fishing and supplying resources for the gold mining efforts further inland. Gold mining diminished quickly in the early years, and activities of timber and fishing have also diminished, especially in

24640-749: Was 65 years of age or older. The average household size was 2.27. There were 5,713 families (51.2% of all households); the average family size was 2.93. There were 5,431 residents (20.0%) under the age of 18, 3,102 (11.4%) aged 18 to 24, 8,021 (29.5%) aged 25 to 44, 7,422 (27.3%) aged 45 to 64, and 3,215 (11.8%) who were 65 years of age or older. The median age was 36.2 years. For every 100 females, there were 106.0 males. For every 100 females age 18 and over, there were 105.7 males. There were 11,891 housing units at an average density of 822.7 units per square mile (317.6 units/km ), of which 11,150 were occupied, of which 4,829 (43.3%) were owner-occupied, and 6,321 (56.7%) were occupied by renters. The homeowner vacancy rate

24800-469: Was also affected by the Pacific Lumber Company hostile takeover and ultimate bankruptcy. Local fisheries expanded through the 1970s and early 1980s. During the 1970s, Eureka fishermen landed more than half of the fish and shellfish produced and consumed in California. In 2010, between 100 and 120 commercial fishing vessels listed Eureka as homeport. The highest landings of all species were 36.9 million lb (16.7 million kg) in 1981 while

24960-411: Was commanded by Brevet Lieutenant Colonel Robert C. Buchanan of the U.S. 4th Infantry Regiment . These tensions between Native people and settlers eventually led to the massacre on Tuluwat Island in 1860. The attackers, who were thought to be composed primarily of Eureka businessmen, killed as many as 250 Wiyot people. The Wiyot men had left the island during their annual World Renewal Ceremony, so

25120-415: Was first reported in Redwood Creek at Muir Beach in 1996, has since been spotted in the North Bay's Corte Madera Creek , the South Bay's Coyote Creek , as well as in 2010 in San Francisco Bay itself at the Richmond Marina . Other mammals include the internationally famous sea lions who began inhabiting San Francisco's Pier 39 after the 1989 Loma Prieta earthquake and the locally famous Humphrey

25280-435: Was from July 1889 to June 1890 with 73.30 in (1,861.8 mm) and the driest from July 1976 to June 1977 with 17.56 in (446.0 mm). The greatest monthly precipitation was 23.21 in (589.5 mm) in December 2002. The greatest 24-hour precipitation was 6.79 in (172.5 mm) on December 27, 2002. However, historic 100-year dramatic weather events such as the Christmas Week flood of 1955 and, especially,

25440-443: Was more than any other single factor, responsible for opening up the West and the San Francisco Bay Area, in particular, to world trade. By 1817 sea otter in the area were practically eliminated. Since then, the California golden beaver re-established a presence in Alhambra Creek , followed by the Napa River and Sonoma Creek in the north, and the Guadalupe River and Coyote Creek in the south. The North American river otter which

25600-522: Was out over a large area. Numerous natural gas leaks occurred, but no fires resulted. This was the largest recent earthquake since the April 25–26, 1992 sequence . It was followed on February 4, 2010, by a magnitude 5.9 earthquake which struck about 35 miles (56 km) northwest of the community of Petrolia and nearly 50 miles (80 km) west of Eureka. The shaking was felt within a 150-mile (240 km) radius, as far north as southern Oregon and as far south as Sonoma County . The largest recorded in

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