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146-607: Constituting the deepest points in the Atlantic Ocean , the trench is 810 kilometres (503 mi) long and has a maximum documented depth between 8,376 metres (27,480 ft) and 8,740 metres (28,675 ft). The deepest point is commonly referred to as the Milwaukee Deep , with the Brownson Deep naming the seabed surrounding it. However, more recently, the latter term has also been used interchangeably with

292-492: A World Heritage Site for their geological value, four of them are considered of "Outstanding Universal Value" based on their cultural and natural criteria: Þingvellir , Iceland; Landscape of the Pico Island Vineyard Culture , Portugal; Gough and Inaccessible Islands , United Kingdom; and Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves, Brazil. Continental shelves in

438-408: A sea cucumber , tentatively assigned to genus Peniagone . The other individual, a small crustacean, is tentatively identified as a munnopsid isopod, based on morphology and similar walking and jumping movements observed for other hadal munnopsid isopods. Because these individuals were not collected, it is not possible to obtain species-level identifications. However, these sightings likely exceed

584-593: A tsunami . The 1918 earthquake was caused by an old left-lateral strike-slip fault near the Mona Passage . In 1953, Santo Domingo , Dominican Republic , was affected by the Santo Domingo earthquake. The actual subduction zone (Puerto Rico Trench) has not ruptured in over 200 years, which is a major concern to geophysicists, as they believe it may be due for a major event. Puerto Rico has always been an area of concern to earthquake experts because, apart from

730-506: A Navy Sonic Depth Finder to draw a continuous map across the bed of the Atlantic. This involved little guesswork because the idea of sonar is straightforward with pulses being sent from the vessel, which bounce off the ocean floor, then return to the vessel. The deep ocean floor is thought to be fairly flat with occasional deeps, abyssal plains , trenches , seamounts , basins , plateaus , canyons , and some guyots . Various shelves along

876-509: A U.S. offer of military aid against Arias, Jimenes resigned on May 7, 1916. Wilson thus ordered the U.S. occupation of the Dominican Republic. U.S. Marines landed on May 16, 1916, and seized the capital and other ports, while General Arias fell back to his inland Santiago stronghold. A significant weaponry disparity between the U.S. Marines and Arias's forces led to the latter's defeat. A peace delegation from Santiago surrendered

1022-721: A branch of the Gulf Stream which flows northward from the Grand Banks ; and the Subpolar Front , an extension of the North Atlantic Current, a wide, vaguely defined region separating the subtropical gyre from the subpolar gyre. This system of currents transports warm water into the North Atlantic, without which temperatures in the North Atlantic and Europe would plunge dramatically. North of

1168-574: A brief return to Spanish colonial status, before permanently ousting the Spanish during the Dominican Restoration War of 1863–1865. From 1930, the dictatorship of Rafael Trujillo ruled until his assassination in 1961. Juan Bosch was elected president in 1962 but was deposed in a military coup in 1963 . The Dominican Civil War of 1965 preceded the authoritarian rule of Joaquín Balaguer (1966–1978 and 1986–1996). Since 1978,

1314-754: A corridor for the Marines guarding the U.S. Embassy. However, the Loyalists withdrew to San Isidro airfield instead. On May 2, U.S. forces were authorized to link up, and the outgunned Constitutionalists retreated to the southeastern part of the city. On May 6, U.S. diplomats persuaded the OAS to establish an Inter-American Peace Force to support American troops. The following countries volunteered: Brazil (1,250 soldiers), Costa Rica (25 police), Honduras (250 soldiers), Nicaragua (164 soldiers), and Paraguay (286 soldiers). U.S. and OAS peacekeeping troops remained in

1460-631: A figure that does not include the Dominicans, Cubans, and Puerto Ricans fighting alongside them. The Dominicans fighting for independence against Spain suffered more than 4,000 dead. Political strife again prevailed in the following years; warlords ruled, military revolts were extremely common, and the nation amassed debt. It was now Báez's turn to act on his plan of annexing the country to the United States , where two successive presidents were supportive. U.S. President Ulysses S. Grant desired

1606-544: A military revolt against the government of Vásquez. Desiderio Arias led a failed revolt against Trujillo and was killed near Mao in 1931. There was considerable economic growth during Rafael Trujillo 's long and iron-fisted regime, although a great deal of the wealth was taken by the dictator and other regime elements. There was progress in healthcare, education, and transportation, with the building of hospitals, clinics, schools, roads, and harbors. Trujillo also carried out an important housing construction program and instituted

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1752-503: A naval base at Samaná and also a place for resettling newly freed African Americans. The treaty was defeated in the United States Senate in 1870. Báez was toppled in 1874, returned, and was toppled for good in 1878. Relative peace came to the country in the 1880s, which saw the coming to power of General Ulises Heureaux . "Lilís", as the new president was nicknamed, put the nation deep into debt while using much of

1898-617: A pension plan. He finally negotiated an undisputed border with Haiti in 1935, and achieved the end of the 50-year customs agreement in 1941, instead of 1956. He made the country debt-free in 1947. This was accompanied by absolute repression and the copious use of murder, torture, and terrorist methods against the opposition. Several Dominicans were assassinated in New York City after taking part in anti-Trujillo activities. In October 1937, Dominican troops murdered 10,000 to 15,000 Haitian men, women, and children—mostly with machetes—along

2044-420: A second military coup ousted the military-installed president Donald Reid Cabral . Despite tank assaults, strafing , and aerial bombardment by the opposing Loyalists, the pro-Bosch Constitutionalists maintained control of most of the capital. By April 26, armed civilians outnumbered the original rebel military regulars. Radio Santo Domingo, now fully under rebel control, began to call for more violent actions and

2190-419: A significant tsunami . The island of Puerto Rico , which lies immediately to the south of the fault zone and the trench, suffered a destructive tsunami soon after the 1918 San Fermín earthquake . The Puerto Rico Trench is located at a boundary between two plates that pass each other along a transform boundary with only a small component of subduction . The Caribbean plate is moving to the east relative to

2336-416: A weak Intertropical Convergence Zone , South Atlantic tropical cyclones are rare. The Atlantic Ocean is underlain mostly by dense mafic oceanic crust made up of basalt and gabbro and overlain by fine clay, silt and siliceous ooze on the abyssal plain. The continental margins and continental shelf mark lower density, but greater thickness felsic continental rock that is often much older than that of

2482-621: Is a complex of four water masses, two that form by deep convection in the open ocean – classical and upper Labrador sea water – and two that form from the inflow of dense water across the Greenland-Iceland-Scotland sill – Denmark Strait and Iceland-Scotland overflow water. Along its path across Earth the composition of the NADW is affected by other water masses, especially Antarctic bottom water and Mediterranean overflow water. The NADW

2628-467: Is fed by a flow of warm shallow water into the northern North Atlantic which is responsible for the anomalous warm climate in Europe. Changes in the formation of NADW have been linked to global climate changes in the past. Since human-made substances were introduced into the environment, the path of the NADW can be traced throughout its course by measuring tritium and radiocarbon from nuclear weapon tests in

2774-498: Is found off the eastern coast of Canada. Surface water temperatures, which vary with latitude, current systems, and season and reflect the latitudinal distribution of solar energy, range from below −2 °C (28 °F) to over 30 °C (86 °F). Maximum temperatures occur north of the equator, and minimum values are found in the polar regions. In the middle latitudes, the area of maximum temperature variations, values may vary by 7–8 °C (13–14 °F). From October to June

2920-575: Is interrupted by larger transform faults at two places: the Romanche Trench near the Equator and the Gibbs fracture zone at 53°N . The MAR is a barrier for bottom water, but at these two transform faults deep water currents can pass from one side to the other. The MAR rises 2–3 km (1.2–1.9 mi) above the surrounding ocean floor and its rift valley is the divergent boundary between

3066-854: Is intersected by two perpendicular ridges: the Azores–Gibraltar Transform Fault , the boundary between the Nubian and Eurasian plates , intersects the MAR at the Azores triple junction , on either side of the Azores microplate, near the 40°N . A much vaguer, nameless boundary, between the North American and South American plates, intersects the MAR near or just north of the Fifteen-Twenty fracture zone , approximately at 16°N . In

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3212-729: Is now northern and central Brazil. The formation of the Central American Isthmus closed the Central American Seaway at the end of the Pliocene 2.8 Ma ago. The formation of the isthmus resulted in the migration and extinction of many land-living animals, known as the Great American Interchange , but the closure of the seaway resulted in a "Great American Schism" as it affected ocean currents, salinity, and temperatures in both

3358-794: Is now the Carpathian region, that were similar to the Sargasso Sea. It is possible that the population in the Sargasso Sea migrated to the Atlantic as the Tethys closed at the end of the Miocene around 17 Ma. The origin of the Sargasso fauna and flora remained enigmatic for centuries. The fossils found in the Carpathians in the mid-20th century often called the "quasi-Sargasso assemblage", finally showed that this assemblage originated in

3504-639: Is reported variously as 48,442 km (18,704 sq mi) (by the embassy in the United States) and 48,670 km (18,792 sq mi), making it the second largest country in the Antilles , after Cuba . The Dominican Republic's capital and largest city Santo Domingo is on the southern coast. The Dominican Republic is located near fault action in the Caribbean. The Dominican Republic has four important mountain ranges. The most northerly

3650-949: Is the Cordillera Septentrional ("Northern Mountain Range"), which extends from the northwestern coastal town of Monte Cristi , near the Haitian border, to the Samaná Peninsula in the east, running parallel to the Atlantic coast. The highest range in the Dominican Republic ;– indeed, in the whole of the West Indies ;– is the Cordillera Central ("Central Mountain Range"). In the Cordillera Central are

3796-624: Is the largest of the plains in the Dominican Republic. Stretching north and east of Santo Domingo, it contains many sugar plantations in the savannahs that are common there. West of Santo Domingo its width is reduced to 10 kilometres (6.2 mi) as it hugs the coast, finishing at the mouth of the Ocoa River. Another large plain is the Plena de Azua ("Azua Plain"), a very arid region in Azua Province . A few other small coastal plains are on

3942-690: Is the second-largest of the world's five oceanic divisions , with an area of about 85,133,000 km (32,870,000 sq mi). It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery , it was known for separating the New World of the Americas ( North America and South America ) from the Old World of Afro-Eurasia ( Africa , Asia , and Europe ). Through its separation of Afro-Eurasia from

4088-705: The Sierra de Bahoruco is a continuation of the Massif de la Selle in Haiti. There are other, minor mountain ranges, such as the Cordillera Oriental ("Eastern Mountain Range"), Sierra Martín García , Sierra de Yamasá , and Sierra de Samaná . Between the Central and Northern mountain ranges lies the rich and fertile Cibao valley. This major valley is home to the cities of Santiago and La Vega and most of

4234-472: The Age of Discovery , the Atlantic was also known to English cartographers as the Great Western Ocean . The pond is a term often used by British and American speakers in reference to the northern Atlantic Ocean, as a form of meiosis , or ironic understatement. It is used mostly when referring to events or circumstances "on this side of the pond" or "on the other side of the pond" or "across

4380-564: The Carpathian Basin from where it migrated over Sicily to the central Atlantic where it evolved into modern species of the Sargasso Sea. The location of the spawning ground for European eels remained unknown for decades . In the early 19th century it was discovered that the southern Sargasso Sea is the spawning ground for both the European and American eel and that the former migrate more than 5,000 km (3,100 mi) and

4526-699: The Greater Antilles , with the Atlantic Ocean to the north and the Caribbean Sea to the south. It shares the island roughly at a 2:1 ratio with Haiti , the north-to-south (though somewhat irregular) border between the two countries being 376 km (234 mi). To the north and north-west lie The Bahamas and the Turks and Caicos Islands , and to the east, across the Mona Passage , the US Commonwealth of Puerto Rico . The country's area

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4672-474: The Icelandic Low produces frequent storms. Icebergs are common from early February to the end of July across the shipping lanes near the Grand Banks of Newfoundland . The ice season is longer in the polar regions, but there is little shipping in those areas. Hurricanes are a hazard in the western parts of the North Atlantic during the summer and autumn. Due to a consistently strong wind shear and

4818-633: The Marines in Haiti was absent in the Dominican Republic. The U.S. government's rule ended in October 1922, and elections were held in March 1924. The victor was former president (1902–03) Horacio Vásquez . He was inaugurated on July 13, 1924, and the last U.S. forces left in September. In 1930, General Rafael Trujillo , who was trained by the U.S. Marines during the occupation, seized power following

4964-684: The North American and Eurasian plates in the North Atlantic and the South American and African plates in the South Atlantic. The MAR produces basaltic volcanoes in Eyjafjallajökull , Iceland, and pillow lava on the ocean floor. The depth of water at the apex of the ridge is less than 2,700 m (1,500 fathoms ; 8,900  ft ) in most places, while the bottom of the ridge is three times as deep. The MAR

5110-714: The North American plate . The North American plate is being subducted by the Caribbean plate obliquely at the trench while to the southeast, the South American plate is being more directly subducted along the Lesser Antilles subduction zone. This subduction zone explains the presence of active volcanoes over the southeastern part of the Caribbean Sea. Volcanic activity is frequent along the Lesser Antilles island arc southeast from Puerto Rico to

5256-616: The North Atlantic Drift is thought to have at least some influence on climate. For example, the Gulf Stream helps moderate winter temperatures along the coastline of southeastern North America, keeping it warmer in winter along the coast than inland areas. The Gulf Stream also keeps extreme temperatures from occurring on the Florida Peninsula. In the higher latitudes, the North Atlantic Drift, warms

5402-514: The North Atlantic oscillation , occurs. On average, the Atlantic is the saltiest major ocean; surface water salinity in the open ocean ranges from 33 to 37 parts per thousand (3.3–3.7%) by mass and varies with latitude and season. Evaporation, precipitation, river inflow and sea ice melting influence surface salinity values. Although the lowest salinity values are just north of the equator (because of heavy tropical rainfall), in general,

5548-558: The Organization of American States , for the first time in its history, decreed sanctions against a member state. The United States severed diplomatic relations with the Dominican Republic on August 26, 1960, and in January 1961 suspended the export of trucks, parts, crude oil, gasoline and other petroleum products. U.S. President Dwight D. Eisenhower also took advantage of OAS sanctions to cut drastically purchases of Dominican sugar,

5694-555: The Scotia Sea , and other tributary water bodies. Including these marginal seas the coast line of the Atlantic measures 111,866 km (69,510 mi) compared to 135,663 km (84,297 mi) for the Pacific. Including its marginal seas, the Atlantic covers an area of 106,460,000 km (41,100,000 sq mi) or 23.5% of the global ocean and has a volume of 310,410,900 km (74,471,500 cu mi) or 23.3% of

5840-573: The Spanish crown as Spanish Haiti , on November 30, 1821. This period is also known as the Ephemeral independence. The newly independent republic ended two months later, when it was occupied and annexed by Haiti, then under the leadership of Jean-Pierre Boyer . For twenty-two years, Haiti controlled Santo Domingo, which it called Partie de l'Est , treating it as a colonial territory. The unpaid Haitian army sustained itself by taking resources from

5986-619: The Titan in Greek mythology , who supported the heavens and who later appeared as a frontispiece in medieval maps and also lent his name to modern atlases . On the other hand, to early Greek sailors and in ancient Greek mythological literature such as the Iliad and the Odyssey , this all-encompassing ocean was instead known as Oceanus , the gigantic river that encircled the world; in contrast to

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6132-420: The United Kingdom . From the 16th to 19th centuries, the Atlantic Ocean was the center of both an eponymous slave trade and the Columbian exchange while occasionally hosting naval battles. Such naval battles, as well as growing trade from regional American powers like the United States and Brazil , both increased in degree during the early 20th century, and while no major military conflicts have taken place in

6278-521: The meridional overturning circulation (MOC), the northward heat transport of which is threatened by anthropogenic climate change. Large variations in the subpolar gyre on a decade-century scale, associated with the North Atlantic oscillation , are especially pronounced in Labrador Sea Water , the upper layers of the MOC. The South Atlantic is dominated by the anti-cyclonic southern subtropical gyre. The South Atlantic Central Water originates in this gyre, while Antarctic Intermediate Water originates in

6424-438: The metropolitan area of Santo Domingo , the capital city. The native Taíno people had inhabited Hispaniola prior to European contact , dividing it into five chiefdoms . Christopher Columbus claimed the island for Castile , landing there on his first voyage in 1492 . The colony of Santo Domingo became the site of the first permanent European settlement in the Americas . In 1697, Spain recognized French dominion over

6570-399: The thermocline of the subtropical gyre. The Sargasso Sea in the western North Atlantic can be defined as the area where two species of Sargassum ( S. fluitans and natans ) float, an area 4,000 km (2,500 mi) wide and encircled by the Gulf Stream , North Atlantic Drift , and North Equatorial Current . This population of seaweed probably originated from Tertiary ancestors on

6716-411: The " New World ". The Spaniards created a plantation economy . Initially, after friendly relationships, the Taínos resisted the conquest, led by female Chief Anacaona of Xaragua and her ex-husband Chief Caonabo of Maguana, as well as Chiefs Guacanagaríx , Guamá , Hatuey , and Enriquillo . The latter's successes gained his people an autonomous enclave on the island. Within a few years after 1492,

6862-400: The 1870s, the Challenger expedition discovered parts of what is now known as the Mid-Atlantic Ridge, or: An elevated ridge rising to an average height of about 1,900 fathoms [3,500 m; 11,400 ft] below the surface traverses the basins of the North and South Atlantic in a meridianal direction from Cape Farewell, probably its far south at least as Gough Island, following roughly

7008-420: The 1918 episode, there are frequent tremors in and around the island, indicating activity. A 1981 tremor was felt across the island, while another in 1985 was felt in the towns of Cayey and Salinas . The January 13, 2014 M 6.4 earthquake north of Puerto Rico occurred as a result of oblique-thrust faulting. Preliminary faulting mechanisms for the event indicate it ruptured either a structure dipping shallowly to

7154-434: The 1953 definition it extends south to Antarctica, while in later maps it is bounded at the 60° parallel by the Southern Ocean. The Atlantic has irregular coasts indented by numerous bays, gulfs and seas. These include the Baltic Sea , Black Sea , Caribbean Sea , Davis Strait , Denmark Strait , part of the Drake Passage , Gulf of Mexico , Labrador Sea , Mediterranean Sea , North Sea , Norwegian Sea , almost all of

7300-411: The 1960s and CFCs . The clockwise warm-water North Atlantic Gyre occupies the northern Atlantic, and the counter-clockwise warm-water South Atlantic Gyre appears in the southern Atlantic. In the North Atlantic, surface circulation is dominated by three inter-connected currents: the Gulf Stream which flows north-east from the North American coast at Cape Hatteras ; the North Atlantic Current ,

7446-471: The Americas, the Atlantic Ocean has played a central role in the development of human society, globalization, and the histories of many nations. While the Norse were the first known humans to cross the Atlantic, it was the expedition of Christopher Columbus in 1492 that proved to be the most consequential. Columbus' expedition ushered in an age of exploration and colonization of the Americas by European powers , most notably Portugal , Spain , France , and

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7592-429: The Atlantic and Pacific. Marine organisms on both sides of the isthmus became isolated and either diverged or went extinct. Dominican Republic The Dominican Republic is a North American country located on the island of Hispaniola in the Greater Antilles of the Caribbean Sea in the North Atlantic Ocean . It shares a maritime border with Puerto Rico to the east and a land border with Haiti to

7738-407: The Atlantic are wide off Newfoundland, southernmost South America, and northeastern Europe. In the western Atlantic carbonate platforms dominate large areas, for example, the Blake Plateau and Bermuda Rise . The Atlantic is surrounded by passive margins except at a few locations where active margins form deep trenches : the Puerto Rico Trench (8,376 m or 27,480 ft maximum depth) in

7884-468: The Atlantic include the Challenger expedition and the German Meteor expedition ; as of 2001 , Columbia University 's Lamont–Doherty Earth Observatory and the United States Navy Hydrographic Office conduct research on the ocean. The MAR divides the Atlantic longitudinally into two halves, in each of which a series of basins are delimited by secondary, transverse ridges. The MAR reaches above 2,000 m (6,600 ft) along most of its length, but

8030-403: The Atlantic north of the equator. The coldest zones are in high latitudes, with the coldest regions corresponding to the areas covered by sea ice. Ocean currents influence the climate by transporting warm and cold waters to other regions. The winds that are cooled or warmed when blowing over these currents influence adjacent land areas. The Gulf Stream and its northern extension towards Europe,

8176-407: The Atlantic recently, the ocean remains a core component of trade around the world. The Atlantic Ocean occupies an elongated, S-shaped basin extending longitudinally between Europe and Africa to the east, and the Americas to the west. As one component of the interconnected World Ocean , it is connected in the north to the Arctic Ocean , to the Pacific Ocean in the southwest, the Indian Ocean in

8322-408: The Atlantic sea ' , etym . ' Sea of Atlas ' ) and in The Histories of Herodotus around 450 BC (Hdt. 1.202.4): Atlantis thalassa (Ancient Greek: Ἀτλαντὶς θάλασσα , ' Sea of Atlas ' or ' the Atlantic sea ' ) where the name refers to "the sea beyond the pillars of Heracles " which is said to be part of the sea that surrounds all land. In these uses, the name refers to Atlas ,

8468-409: The Bahamas, while coarse river outwash sands and silt are common in shallow shelf areas like the Georges Bank . Coarse sand, boulders, and rocks were transported into some areas, such as off the coast of Nova Scotia or the Gulf of Maine during the Pleistocene ice ages. The break-up of Pangaea began in the central Atlantic, between North America and Northwest Africa, where rift basins opened during

8614-418: The Caribbean from South America during the 1st millennium BC, reaching Hispaniola by around 600 AD. These Arawakan peoples engaged in farming, fishing, hunting and gathering, and the widespread production of ceramic goods. The estimates of Hispaniola's population in 1492 vary widely, ranging from tens of thousands to 2,000,000. By 1492, the island was divided into five Taíno chiefdoms. The Taíno name for

8760-420: The Caribbean's largest lake and lowest point, Lake Enriquillo . The island has an average temperature of 26 °C (78.8 °F) and great climatic and biological diversity. The country is also the site of the first cathedral , palace , monastery , and fortress built in the Americas, located in Santo Domingo's Colonial Zone , a World Heritage Site . The name Dominican originates from Saint Dominic ,

8906-485: The Caribbean. The country did not make a military contribution to the war, but Dominican sugar and other agricultural products supported the Allied war effort. Over a hundred Dominicans served in the American armed forces. The arsenal at San Cristóbal , operated under Trujillo's regime, produced rifles, machine guns, and ammunition. Trujillo also formed a Foreign Legion of 3,000 mercenaries to attempt to overthrow Fidel Castro in Cuba. Major William Morgan agreed to lead

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9052-420: The Deep-Submergence Vehicle DSV Limiting Factor (a Triton 36000/2 model submersible) and thus became the first person to reach the bottom of the Atlantic Ocean while also making the second-deepest recorded solo dive in history at that time. Many media outlets referred to the deep as Brownson Deep , in opposition to past references to the area, where the term Milwaukee Deep was used instead. The operating area

9198-432: The Dominican Republic has moved towards representative democracy . The Dominican Republic has the largest economy in the Caribbean and the seventh-largest in Latin America . Over the last 25 years, the Dominican Republic has had the fastest-growing economy in the Western Hemisphere – with an average real GDP growth rate of 5.3% between 1992 and 2018. GDP growth in 2014 and 2015 reached 7.3 and 7.0%, respectively,

9344-467: The Dominican Republic, but the Haitian forces were defeated after a short war. After defeating a new Haitian invasion in April 1849 at the Battle of Las Carreras , Santana marched on Santo Domingo and deposed president Manuel Jimenes (who had ousted Santana as president) in a coup d'état . At his behest, Congress elected Buenaventura Báez as president, but Báez was unwilling to serve as Santana's puppet. In November–December 1849, Dominican seamen raided

9490-520: The Dominican economy, reduced the nation's debt, built a road network that at last interconnected all regions of the country, and created a professional National Guard to replace the warring partisan units. Additionally, with grass-roots support from local communities and assistance from both Dominican and US officials, the Dominican education system expanded significantly during US occupation. Between 1918 and 1920, more than three hundred schools were established nationwide. The system of forced labour used by

9636-481: The Dominican forces had confined the Spanish troops to Santo Domingo, and the Spaniards were afraid to venture outside the capital. After nearly two years of fighting, Spain abandoned the island in July 1865. One military historian estimates Spanish casualties at 10,888 killed or wounded in action and thousands dead from yellow fever , while the Dominican forces fighting for Spain suffered 10,000 casualties. Another military historian estimates that Spain lost 18,000 dead,

9782-437: The Dominican people and land without compensation. In 1838, Juan Pablo Duarte founded a secret society called La Trinitaria , which sought the complete independence of Santo Domingo without any foreign intervention. Also Francisco del Rosario Sánchez and Ramon Matias Mella , despite not being among the founding members of La Trinitaria, were decisive in the fight for independence. Duarte, Mella, and Sánchez are considered

9928-444: The Dominican territory. The two largest islands near shore are Saona , in the southeast, and Beata , in the southwest. Smaller islands include the Cayos Siete Hermanos , Isla Cabra , Cayo Jackson , Cayo Limón , Cayo Levantado , Cayo la Bocaina , Catalanita , Cayo Pisaje and Isla Alto Velo . To the north, at distances of 100–200 kilometres (62–124 mi), are three extensive, largely submerged banks , which geographically are

10074-404: The European shores of the former Tethys Ocean and has, if so, maintained itself by vegetative growth , floating in the ocean for millions of years. Other species endemic to the Sargasso Sea include the sargassum fish , a predator with algae-like appendages which hovers motionless among the Sargassum . Fossils of similar fishes have been found in fossil bays of the former Tethys Ocean, in what

10220-515: The Founding Fathers of the Dominican Republic. On February 27, 1844, the members of La Trinitaria , now led by Tomás Bobadilla , declared independence from Haiti. The Trinitarios were backed by Pedro Santana , a wealthy cattle rancher, who became general of the army of the nascent republic. The decades that followed were filled with tyranny, factionalism, economic difficulties, rapid changes of government, and exile for political opponents. Archrivals Santana and Buenaventura Báez held power most of

10366-422: The French were expelled from the island and Santo Domingo returned to Spanish rule . After a dozen years of discontent and failed independence plots by various opposing groups, including a failed 1812 revolt led by Dominican conspirators José Leocadio, Pedro de Seda, and Pedro Henríquez, Santo Domingo's former Lieutenant-Governor (top administrator), José Núñez de Cáceres , declared the colony's independence from

10512-548: The Haitian coasts, plundered seaside villages, as far as Dame Marie , and butchered crews of captured enemy ships. A fourth and final invasion by Haiti in November 1855 was defeated by Dominican forces by January 27, 1856, resulting in thousands of Haitian casualties. Again Santana and Báez plotted against each other for political dominance, with Báez winning the first encounter and expelling Santana in 1857, and Santana winning

10658-709: The Haitian-Dominican border under the orders of Trujillo. During World War II , Trujillo symbolically sided with the Allies and declared war on Japan the day after the attack on Pearl Harbor and on Nazi Germany and Italy four days later. Soon after, German U-boats torpedoed and sank two Dominican merchant vessels—the San Rafael off Jamaica and the Presidente Trujillo off Fort-de-France . German U-boats also sank four Dominican-manned ships in

10804-719: The Haitians. By April 15, Dominican forces had defeated the Haitian forces on both land and sea. In early July 1844, Duarte was urged by his followers to take the title of President of the Republic. Duarte agreed, but only if free elections were arranged. However, Santana's forces took Santo Domingo on July 12, and they declared Santana ruler of the Dominican Republic. Santana then put Mella, Duarte, and Sánchez in jail. On February 27, 1845, Santana executed María Trinidad Sánchez , heroine of La Trinitaria, and others for conspiracy. In August of that year, Haiti made another attempt to conquer

10950-687: The Late Triassic and Early Jurassic. This period also saw the first stages of the uplift of the Atlas Mountains. The exact timing is controversial with estimates ranging from 200 to 170 Ma. The opening of the Atlantic Ocean coincided with the initial break-up of the supercontinent Pangaea , both of which were initiated by the eruption of the Central Atlantic Magmatic Province (CAMP), one of

11096-613: The North Atlantic Gyre, the cyclonic North Atlantic Subpolar Gyre plays a key role in climate variability. It is governed by ocean currents from marginal seas and regional topography, rather than being steered by wind, both in the deep ocean and at sea level. The subpolar gyre forms an important part of the global thermohaline circulation . Its eastern portion includes eddying branches of the North Atlantic Current which transport warm, saline waters from

11242-666: The PRD's Hipólito Mejía won the election. This was a time of economic troubles. Under Mejía, the Dominican Republic participated in the US-led coalition, as part of the Multinational Plus Ultra Brigade , during the 2003 invasion of Iraq , suffering no casualties. In 2008, Fernández was elected for a third term. Fernández and the PLD are credited with initiatives that have moved the country forward technologically, on

11388-644: The San Juan Valley is provided by the San Juan River, tributary of the Yaque del Sur , which empties into the Caribbean, in the south. The Artibonito is the longest river of Hispaniola and flows westward into Haiti. There are many lakes and coastal lagoons. The largest lake is Enriquillo , a salt lake at 45 metres (148 ft) below sea level, the lowest elevation in the Caribbean. There are many small offshore islands and cays that form part of

11534-437: The South Atlantic, and the "Atmospheric Bridge", which evaporates subtropical Atlantic waters and exports it to the Pacific. The Atlantic Ocean consists of four major, upper water masses with distinct temperature and salinity. The Atlantic subarctic upper water in the northernmost North Atlantic is the source for subarctic intermediate water and North Atlantic intermediate water. North Atlantic central water can be divided into

11680-547: The Spanish forces. The Haitian rebel Sylvain Salnave , fearful of the reestablishment of Spain as colonial power, gave refuge and logistics to revolutionaries seeking to reestablish the independent nation. The ensuing civil war, known as the War of Restoration , killed more than 50,000. The war began on August 16, 1863. The Spanish garrison of Santiago was forced to retreat to Puerto Plata by mid-September. The Dominicans bombarded

11826-499: The Trujillos attempted to "reassert dictatorial domination". Following this warning, and the arrival of a 14-vessel U.S. naval task force within sight of Santo Domingo, Ramfis and his uncles fled the country on November 19. The OAS lifted its sanctions on January 4, 1962. In February 1963, a democratically elected government under leftist Juan Bosch took office but it was overthrown by a military coup in September. On April 24, 1965,

11972-427: The U.S. occupation of 1916–24, peasants from the countryside, called Gavilleros, would not only kill U.S. Marines, but would also attack and kill Arab vendors traveling through the countryside. From 1902 on, short-lived governments were again the norm, with their power usurped by caudillos in parts of the country. Furthermore, the national government was bankrupt and, unable to pay its debts to European creditors, faced

12118-475: The adjectival form of "Domingo", and as such, the revolutionaries named their newly independent country the "Dominican Republic" ( la República Dominicana ). In the national anthem of the Dominican Republic ( himno nacional de la República Dominicana ), the poetic term "Quisqueyans" ( Quisqueyanos ) is used instead of "Dominicans". The word "Quisqueya" derives from the Taíno language , and means "mother of

12264-486: The assassinations of political opposition, the massacre of Haitians , and Trujillo's plots against other countries. The U.S. finally broke with Trujillo in 1960, after Trujillo's agents attempted to assassinate the Venezuelan president, Rómulo Betancourt , with a car bomb, as he was a fierce critic of Trujillo. After its representatives confirmed Trujillo's complicity in the nearly successful assassination attempt,

12410-475: The atmosphere over the oceans, keeping the British Isles and northwestern Europe mild and cloudy, and not severely cold in winter, like other locations at the same high latitude. The cold water currents contribute to heavy fog off the coast of eastern Canada (the Grand Banks of Newfoundland area) and Africa's northwestern coast. In general, winds transport moisture and air over land areas. Every winter,

12556-491: The attack for $ 1 million, but Castro learned of the plot and instructed Morgan to go along with it and report back. Trujillo was tricked into believing that Morgan had captured Trinidad . On August 13, 1959, a C-47 transport flying from the Dominican Republic carrying military advisors and supplies landed at Trinidad airport. Castro seized the aircraft and the ten occupants and arrested some 4,000 suspects throughout Cuba. On November 25, 1960, Trujillo's henchmen killed three of

12702-558: The city on July 5, coinciding with General Arias' surrender to the Dominican governor. The military government established by the U.S. under the Navy and Marine Corps on November 29, led by Vice Admiral Harry Shepard Knapp , was widely repudiated by the Dominicans, but organized resistance ceased. The occupation regime kept most Dominican laws and institutions and largely pacified the general population. The occupying government also revived

12848-545: The consequences that such an event would bring to the Caribbean. Local governments have begun emergency planning. In the case of Puerto Rico and the U.S. Virgin Islands, the United States government has been studying the problem for years. It is increasing its seismic investigations and developing tsunami warning systems . On 11 October 1918, the western coast of Puerto Rico was hit by a major earthquake which caused

12994-410: The country against Medina's government), marking the end to 16 years in power of the centre-left Dominican Liberation Party (PLD). In May 2024, President Luis Abinader won a second term in elections . Especially his tough policies towards migration from neighbouring Haiti was popular among voters. The Dominican Republic comprises the eastern five-eighths of Hispaniola , the second-largest island in

13140-538: The country for over a year and left after supervising elections in 1966 won by Joaquín Balaguer . He had been Trujillo's last puppet-president. Balaguer remained in power as president for 12 years. His tenure was a period of repression of human rights and civil liberties. His rule was criticized for a growing disparity between rich and poor. It was, however, praised for an ambitious infrastructure program, which included construction of large housing projects, sports complexes, theaters, museums, aqueducts, roads, highways, and

13286-403: The country's major export. This action ultimately cost the Dominican Republic almost $ 22,000,000 in lost revenues at a time when its economy was in a rapid decline. Trujillo had become expendable, and dissidents inside the Dominican Republic argued that assassination was the only certain way to remove him. On May 30, 1961, Trujillo was shot and killed by Dominican dissidents. Ramfis Trujillo ,

13432-546: The deepest known records for genus Peniagone and family Munnopsidae. The American explorer Victor Vescovo dived to the deepest point of the Puerto Rico Trench and therefore the Atlantic Ocean on 19 December 2018, as part of the Five Deeps Expedition . He reached a depth of 8,376 m (27,480 ft) ±5 m (16 ft) at 19°42'49" N, 67°18'39" W by direct CTD pressure measurements with

13578-456: The dictator's son, remained in de facto control of the government for the next 6 months, as commander of the armed forces. Trujillo's brothers, Hector Bienvenido and Jose Arismendi Trujillo, returned to the country and plotted against President Balaguer. On November 18, 1961, as a planned coup became more evident, U.S. Secretary of State Dean Rusk issued a warning that the US would not "remain idle" if

13724-625: The earthquake and tsunami risks has not been widespread among the general public of the islands located near the trench. Since 1988, the Puerto Rican Seismic Society has been trying to use the Puerto Rican media to inform people about a future earthquake that could result in a catastrophic tragedy. Following the 2004 tsunami that affected more than forty countries in the Indian Ocean , many more people now fear

13870-667: The east, the boundaries of the ocean proper are Europe: the Strait of Gibraltar (where it connects with the Mediterranean Sea  – one of its marginal seas  – and, in turn, the Black Sea , both of which also touch upon Asia) and Africa. In the southeast, the Atlantic merges into the Indian Ocean. The 20° East meridian , running south from Cape Agulhas to Antarctica defines its border. In

14016-544: The eastern and western North Atlantic central water since the western part is strongly affected by the Gulf Stream and therefore the upper layer is closer to underlying fresher subpolar intermediate water. The eastern water is saltier because of its proximity to Mediterranean water. North Atlantic central water flows into South Atlantic central water at 15°N . There are five intermediate waters: four low-salinity waters formed at subpolar latitudes and one high-salinity formed through evaporation. Arctic intermediate water flows from

14162-753: The enclosed seas well known to the Greeks: the Mediterranean and the Black Sea. In contrast, the term "Atlantic" originally referred specifically to the Atlas Mountains in Morocco and the sea off the Strait of Gibraltar and the West African coast. The term " Aethiopian Ocean ", derived from Ancient Ethiopia , was applied to the southern Atlantic as late as the mid-19th century. During

14308-517: The entire island was either Ayiti or Quisqueya . Christopher Columbus arrived on the island on December 5, 1492, during the first of his four voyages to the Americas. He claimed the land for Spain and named it La Española , due to its diverse climate and terrain, which reminded him of the Spanish landscape. In 1496, Bartholomew Columbus , Christopher's brother, built the city of Santo Domingo , Western Europe's first permanent settlement in

14454-496: The event occurring on this subduction zone interface." Several exploration cruises carried out by USGS in the Puerto Rico Trench have for the first time mapped the entire trench using ship mounted multibeam bathymetry. The seafloor was visited for the first time by French bathyscaphe Archimède in 1964 and then by a robotic vehicle in 2012. The most conspicuous aspect of the footage was the swarm of benthic amphipods . Some of these amphipods were collected by bait bags attached to

14600-811: The farming areas of the nation. Rather less productive are the semi-arid San Juan Valley, south of the Central Cordillera, and the Neiba Valley, tucked between the Sierra de Neiba and the Sierra de Bahoruco. Much of the land around the Enriquillo Basin is below sea level, with a hot, arid, desert-like environment. There are other smaller valleys in the mountains, such as the Constanza , Jarabacoa , Villa Altagracia , and Bonao valleys. The Llano Costero del Caribe ("Caribbean Coastal Plain")

14746-520: The former to refer to this point. The exact point was identified by the DSSV Pressure Drop using a state-of-the-art Kongsberg EM124 multibeam sonar in 2018, and then directly visited and its depth verified by the crewed submersible Deep-Submergence Vehicle DSV Limiting Factor (a Triton 36000/2 model submersible) piloted by Victor Vescovo . Scientific studies have concluded that an earthquake occurring along this fault zone could generate

14892-522: The four Mirabal sisters , nicknamed Las Mariposas (The Butterflies). Along with their husbands, the sisters were conspiring to overthrow Trujillo in a violent revolt. The International Day for the Elimination of Violence against Women is observed on the anniversary of their deaths. For a long time, the U.S. and the Dominican elite supported the Trujillo government. This support persisted despite

15038-483: The four highest peaks in the Caribbean: Pico Duarte (3,098 metres or 10,164 feet above sea level), La Pelona (3,094 metres or 10,151 feet), La Rucilla (3,049 metres or 10,003 feet), and Pico Yaque (2,760 metres or 9,055 feet). In the southwest corner of the country, south of the Cordillera Central, there are two other ranges: the more northerly of the two is the Sierra de Neiba , while in the south

15184-582: The highest in the Western Hemisphere. Recent growth has been driven by construction, manufacturing, tourism, and mining. The country is the site of the third largest (in terms of production) gold mine in the world, the Pueblo Viejo mine . The Dominican Republic is the most visited destination in the Caribbean. A geographically diverse nation, the Dominican Republic is home to both the Caribbean's tallest mountain peak, Pico Duarte , and

15330-420: The islands are at risk of earthquakes and tsunamis . The Puerto Rico Trench has produced earthquakes greater than magnitude 8.0 and is considered capable of continuing to do so. According to NASA , beneath the trench is a mass so dense it deflects gravitational pull on the surface of the ocean, causing it to dip somewhat. It also has a negative effect on the accuracy of navigational instruments. Knowledge of

15476-463: The killing of all police officers. On April 28, U.S. President Lyndon Johnson deployed U.S. Marines to Santo Domingo to protect American citizens, with U.S. forces subsequently expanded to 24,000 troops. On April 30, two battalions of the 82nd Airborne Division landed at San Isidro airfield . Hours later, U.S. troops crossed the Duarte Bridge to link up with Loyalists, who were to secure

15622-459: The lands". It is often used in songs as another name for the country. The name of the country in English is often shortened to "the D.R." ( la R.D. ), but this is rare in Spanish. The islands of the Caribbean were first settled around 6,000 years ago by hunter-gatherer peoples originating from Central America or northern South America. The Arawakan-speaking ancestors of the Taíno moved into

15768-517: The latter 2,000 km (1,200 mi). Ocean currents such as the Gulf Stream transport eel larvae from the Sargasso Sea to foraging areas in North America, Europe, and northern Africa. Recent but disputed research suggests that eels possibly use Earth's magnetic field to navigate through the ocean both as larvae and as adults. The climate is influenced by the temperatures of the surface waters and water currents as well as winds. Because of

15914-666: The limits of the oceans and seas in 1953, but some of these definitions have been revised since then and some are not recognized by various authorities, institutions, and countries, for example the CIA World Factbook . Correspondingly, the extent and number of oceans and seas vary. The Atlantic Ocean is bounded on the west by North and South America. It connects to the Arctic Ocean through the Denmark Strait , Greenland Sea , Norwegian Sea and Barents Sea . To

16060-501: The lowest values are in the high latitudes and along coasts where large rivers enter. Maximum salinity values occur at about 25° north and south , in subtropical regions with low rainfall and high evaporation. The high surface salinity in the Atlantic, on which the Atlantic thermohaline circulation is dependent, is maintained by two processes: the Agulhas Leakage/Rings , which brings salty Indian Ocean waters into

16206-514: The margins of the continents constitute about 11% of the bottom topography with few deep channels cut across the continental rise. The mean depth between 60°N and 60°S is 3,730 m (12,240 ft), or close to the average for the global ocean, with a modal depth between 4,000 and 5,000 m (13,000 and 16,000 ft). In the South Atlantic the Walvis Ridge and Rio Grande Rise form barriers to ocean currents. The Laurentian Abyss

16352-615: The massive Columbus Lighthouse , completed in 1992 during a later tenure. In 1978, Balaguer was succeeded to the presidency by opposition candidate Antonio Guzmán Fernández , of the Dominican Revolutionary Party (PRD). Hurricane David hit the Dominican Republic in August 1979, which left upwards of 2,000 people dead and 200,000 homeless. The hurricane caused over $ 1 billion in damage. Another PRD win in 1982 followed, under Salvador Jorge Blanco . Balaguer regained

16498-601: The maximum depth, the Milwaukee Deep in the Puerto Rico Trench , is 8,376 m (27,480 ft). Top large seas: The bathymetry of the Atlantic is dominated by a submarine mountain range called the Mid-Atlantic Ridge (MAR). It runs from 87°N or 300 km (190 mi) south of the North Pole to the subantarctic Bouvet Island at 54°S . Expeditions to explore the bathymertry of

16644-732: The most extensive and voluminous large igneous provinces in Earth's history associated with the Triassic–Jurassic extinction event , one of Earth's major extinction events . Theoliitic dikes , sills , and lava flows from the CAMP eruption at 200 Ma have been found in West Africa, eastern North America, and northern South America. The extent of the volcanism has been estimated to 4.5 × 10  km (1.7 × 10  sq mi) of which 2.5 × 10  km (9.7 × 10  sq mi) covered what

16790-514: The neighboring French colony of Saint-Domingue —the wealthiest colony in the Caribbean and whose population of half a million was 90% enslaved and four times as numerous as Santo Domingo. In 1795, Spain ceded Santo Domingo to France by the Treaty of Basel as a result of its defeat in the War of the Pyrenees . Saint-Domingue achieved independence as Haiti from France on January 1, 1804. In 1809,

16936-571: The north to become the source for North Atlantic deep water, south of the Greenland-Scotland sill. These two intermediate waters have different salinity in the western and eastern basins. The wide range of salinities in the North Atlantic is caused by the asymmetry of the northern subtropical gyre and a large number of contributions from a wide range of sources: Labrador Sea, Norwegian-Greenland Sea, Mediterranean, and South Atlantic Intermediate Water. The North Atlantic deep water (NADW)

17082-660: The northern coast and in the Pedernales Peninsula. Four major rivers drain the numerous mountains of the Dominican Republic. The Yaque del Norte is the longest and most important Dominican river. It carries excess water down from the Cibao Valley and empties into Monte Cristi Bay, in the northwest. Likewise, the Yuna River serves the Vega Real and empties into Samaná Bay, in the northeast. Drainage of

17228-563: The northern coast of South America . Although originally part of a volcanic arc , the Virgin Islands , Puerto Rico , Hispaniola , Cuba , and Jamaica do not have active volcanoes . The Virgin Islands and Puerto Rico do not have active volcanic activity since approximately 30 million years ago, while the last active volcanoes in Hispaniola, Thomazanue and Morne la Vigie , became extinct within 1.5 million years ago. However,

17374-425: The ocean's great capacity to store and release heat, maritime climates are more moderate and have less extreme seasonal variations than inland climates. Precipitation can be approximated from coastal weather data and air temperature from water temperatures. The oceans are the major source of atmospheric moisture that is obtained through evaporation. Climatic zones vary with latitude; the warmest zones stretch across

17520-424: The other hand, his administrations have been accused of corruption. Danilo Medina of the PLD was elected president in 2012 and re-elected in 2016. On the other hand, a significant increase in crime, government corruption and a weak justice system threaten to overshadow their administrative period. He was succeeded by the opposition candidate Luis Abinader in the 2020 election (weeks after protests erupted in

17666-627: The outlines of the coasts of the Old and the New Worlds. The remainder of the ridge was discovered in the 1920s by the German Meteor expedition using echo-sounding equipment. The exploration of the MAR in the 1950s led to the general acceptance of seafloor spreading and plate tectonics . Most of the MAR runs under water but where it reaches the surfaces it has produced volcanic islands. While nine of these have collectively been nominated

17812-649: The patron saint of astronomers , and founder of the Dominican Order . The Dominican Order established what is now known as the Universidad Autónoma de Santo Domingo , the first university in the New World. For most of its history, up until independence, the colony was known simply as Santo Domingo and continued to be commonly known as such in English until the early 20th century. The residents were called "Dominicans" ( Dominicanos ),

17958-595: The pond", rather than to discuss the ocean itself. The term dates to 1640, first appearing in print in a pamphlet released during the reign of Charles I , and reproduced in 1869 in Nehemiah Wallington 's Historical Notices of Events Occurring Chiefly in The Reign of Charles I , where "great Pond" is used in reference to the Atlantic Ocean by Francis Windebank , Charles I's Secretary of State . The International Hydrographic Organization (IHO) defined

18104-538: The population of Taínos had declined drastically due to smallpox , measles, and other diseases that arrived with the Europeans. African slaves were imported to replace the dwindling Taínos. The last record of pure Taínos in the country was from 1864. Still, Taíno biological heritage survived due to intermixing. Census records from 1514 reveal that 40% of Spanish men in Santo Domingo were married to Taíno women, and some present-day Dominicans have Taíno ancestry. By

18250-429: The port of Puerto Plata and destroyed much of the town. In the south, Spanish forces were successful in driving the rebels out of several towns and into Haiti. However, the capture of Azua proved to be a costly endeavor, with two months of fighting and a significant loss of lives for the Spanish. Spanish forces from Cuba attacked and captured Monte Cristi on the north coast, but sustained heavy casualties. By 1865,

18396-422: The presidency in 1986 and was re-elected in 1990 and 1994, in the latter defeating PRD candidate José Francisco Peña Gómez , a former mayor of Santo Domingo. The 1994 elections were flawed, bringing international pressure, to which Balaguer responded by scheduling another presidential contest in 1996. Balaguer was not a candidate. The PSRC candidate was his Vice President Jacinto Peynado Garrigosa . In 1996, with

18542-416: The proceeds for his personal use and to maintain his police state. In 1899, he was assassinated. However, the relative calm over which he presided allowed improvement in the Dominican economy. The sugar industry was modernized, and the country attracted foreign workers and immigrants. Lebanese, Syrians, Turks, and Palestinians began to arrive in the country during the latter part of the 19th century. During

18688-438: The seafloor. The oldest oceanic crust in the Atlantic is up to 145 million years and is situated off the west coast of Africa and the east coast of North America, or on either side of the South Atlantic. In many places, the continental shelf and continental slope are covered in thick sedimentary layers. For instance, on the North American side of the ocean, large carbonate deposits formed in warm shallow waters such as Florida and

18834-539: The second and expelling Báez in 1859. In 1861, after imprisoning, exiling, and executing many of his opponents and due to political and economic reasons, Santana asked Queen Isabella II of Spain to retake control of the Dominican Republic. Spain, which had not come to terms with the loss of its mainland American colonies 40 years earlier, made the country a colony again. The island was occupied by 30,000 Spanish troops bolstered by battalions of Cuban and Puerto Rican volunteers and 12,000 Dominicans who aligned themselves with

18980-404: The south and striking approximately east-west, or a near-vertical structure striking northwest-southeast. At the location of this earthquake, the North America plate moves west-southwest with respect to the Caribbean plate at a velocity of approximately 20 mm/yr, and subducts beneath the Caribbean plate at the Puerto Rico Trench. The location, depth and mechanism of the earthquake are consistent with

19126-536: The southeast, and the Southern Ocean in the south. Other definitions describe the Atlantic as extending southward to Antarctica . The Atlantic Ocean is divided in two parts, the northern and southern Atlantic, by the Equator . The oldest known mentions of an "Atlantic" sea come from Stesichorus around mid-sixth century BC (Sch. A. R. 1. 211): Atlantikôi pelágei (Ancient Greek: Ἀτλαντικῷ πελάγει , '

19272-551: The subtropics to the northeastern Atlantic. There this water is cooled during winter and forms return currents that merge along the eastern continental slope of Greenland where they form an intense (40–50  Sv ) current which flows around the continental margins of the Labrador Sea . A third of this water becomes part of the deep portion of the North Atlantic Deep Water (NADW). The NADW, in turn, feeds

19418-643: The support of Joaquín Balaguer and the Social Christian Reform Party in a coalition called the Patriotic Front, Leonel Fernández achieved the first-ever win for the Dominican Liberation Party (PLD), which Bosch had founded in 1973 after leaving the PRD. Fernández oversaw a fast-growing economy: growth averaged 7.7% per year, unemployment fell, and there were stable exchange and inflation rates. In 2000,

19564-421: The surface is usually covered with sea ice in the Labrador Sea , Denmark Strait , and Baltic Sea. The Coriolis effect circulates North Atlantic water in a clockwise direction, whereas South Atlantic water circulates counter-clockwise. The south tides in the Atlantic Ocean are semi-diurnal; that is, two high tides occur every 24 lunar hours. In latitudes above 40° North some east–west oscillation, known as

19710-455: The threat of military intervention by France, Germany , and Italy . United States President Theodore Roosevelt sought to prevent European intervention, largely to protect the routes to the future Panama Canal . He made a small military intervention to ward off European powers, to proclaim his famous Roosevelt Corollary to the Monroe Doctrine , and also to obtain his 1905 Dominican agreement for U.S. administration of Dominican customs, which

19856-458: The time of the Treaty of Ryswick in 1697, which ceded the western one-third of the island to France, the population of Santo Domingo consisted of a few thousand whites, approximately 30,000 black slaves, and a few Taínos. By 1789, the population had grown to 125,000, but Santo Domingo remained one of Spain's less wealthy and strategically important colonies in the New World. The population composition of Santo Domingo sharply contrasted with that of

20002-411: The time, both ruling arbitrarily. They promoted competing plans to annex the new nation to a major power. The Dominican Republic's first constitution was adopted on November 6, 1844, and its population in 1845 was approximately 230,000 people (100,000 whites; 40,000 blacks; and 90,000 mulattoes). In March 1844, Haiti invaded, but the Dominicans put up stiff opposition and inflicted heavy casualties on

20148-428: The total volume of the Earth's oceans. Excluding its marginal seas, the Atlantic covers 81,760,000 km (31,570,000 sq mi) and has a volume of 305,811,900 km (73,368,200 cu mi). The North Atlantic covers 41,490,000 km (16,020,000 sq mi) (11.5%) and the South Atlantic 40,270,000 km (15,550,000 sq mi) (11.1%). The average depth is 3,646 m (11,962 ft) and

20294-453: The upper layers of the circumpolar region, near the Drake Passage and the Falkland Islands. Both these currents receive some contribution from the Indian Ocean. On the African east coast, the small cyclonic Angola Gyre lies embedded in the large subtropical gyre. The southern subtropical gyre is partly masked by a wind-induced Ekman layer . The residence time of the gyre is 4.4–8.5 years. North Atlantic Deep Water flows southward below

20440-465: The vehicle and were brought to the surface for further analysis. The samples recovered were Scopelocheirus schellenbergi , a species of lysianassid amphipod that have so far only been found in ultradeep trenches in the Pacific. Two invertebrate creatures were also observed in the video. One soft dark individual, estimated to be 10–20 cm (3.9–7.9 in) long, has been identified by Dr. Stace E. Beaulieu of Woods Hole Oceanographic Institution as

20586-437: The west, occupying the eastern five-eighths of Hispaniola which, along with Saint Martin , is one of only two islands in the Caribbean shared by two sovereign states . In the Antilles , the country is the second-largest nation by area after Cuba at 48,671 square kilometers (18,792 sq mi) and second-largest by population after Haiti with approximately 11.4 million people in 2024, of whom 3.6 million reside in

20732-424: The western Atlantic and South Sandwich Trench (8,264 m or 27,113 ft) in the South Atlantic. There are numerous submarine canyons off northeastern North America, western Europe, and northwestern Africa. Some of these canyons extend along the continental rises and farther into the abyssal plains as deep-sea channels. In 1922, a historic moment in cartography and oceanography occurred. The USS Stewart used

20878-413: The western third of the island, which became the independent First Empire of Haiti in 1804. A group of Dominicans deposed the Spanish governor and declared independence from Spain in November 1821, but were annexed by Haiti in February 1822. Independence came 22 years later in 1844, after victory in the Dominican War of Independence . The next 72 years saw several civil wars, failed invasions by Haiti, and

21024-584: Was several years of great political instability and civil war . U.S. mediation by the William Howard Taft and Woodrow Wilson administrations achieved only a short respite each time. A political deadlock in 1914 was broken after an ultimatum by Wilson telling the Dominicans to choose a president or see the U.S. impose one. A provisional president was chosen, and later the same year relatively free elections put former president (1899–1902) Juan Isidro Jimenes Pereyra back in power. With his former Secretary of War Desiderio Arias maneuvering to depose him and despite

21170-587: Was surveyed by the support ship, the Deep Submersible Support Vessel DSSV Pressure Drop , with a Kongsberg SIMRAD EM124 multibeam echosounder system. The gathered data will be donated to the GEBCO Seabed 2030 initiative. The dive was part of the Five Deeps Expedition . The objective of this expedition was to thoroughly map and visit the deepest points of all five of the world's oceans by the end of September 2019. 19°50′9″N 66°45′16″W  /  19.83583°N 66.75444°W  / 19.83583; -66.75444 Atlantic Ocean The Atlantic Ocean

21316-422: Was the chief source of income for the Dominican government. A 1906 agreement provided for the arrangement to last 50 years. The United States agreed to use part of the customs proceeds to reduce the immense foreign debt of the Dominican Republic and assumed responsibility for said debt. After six years in power, President Ramón Cáceres (who had himself assassinated Heureaux) was assassinated in 1911. The result

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