The Ilocos Region ( Ilocano : Rehion/Deppaar ti Ilocos ; Pangasinan : Rehiyon na Ilocos ; Tagalog : Rehiyon ng Ilocos ), designated as Region I , is an administrative region of the Philippines. Located in the northwestern section of Luzon , it is bordered by the Cordillera Administrative Region to the east, the Cagayan Valley to the northeast and southeast, Central Luzon to the south, and the South China Sea to the west.
145-576: The region comprises of four provinces: Ilocos Norte , Ilocos Sur , La Union , and Pangasinan , along with one independent city, Dagupan City . The regional center is the City of San Fernando in La Union, which serves as the administrative hub of the region. The largest settlement in terms of population is San Carlos City in Pangasinan. The 2020 Philippine Statistic Authority census reported that
290-470: A Japanese settlement and named it " El Puerto de Japón" after its conquest. He then reached Vigan on June 13, 1572, which had been a Chinese trading post from the Fujian province of China . In Vigan, he founded ' Villa Fernandina de Vigan ' and made it the diocesan seat of Nueva Segovia in honor of King Philip II 's son, Prince Ferdinand. Salcedo then proceeded to Laoag , Currimao , and Badoc , rounded
435-480: A bill to "limit the importation of foreign leaf tobacco," which was eventually signed by President Elpidio Quirino as Republic Act 698. This allowed Stonehill's investments to make a handsome profit, and the newly-rebuilt local industry to bloom. Stonehill was later deported a decade later, in the 1960s, for tax evasion and bribery of government officials, in what would later be called the Stonehill scandal , but
580-996: A combined population of 132,208. Many buildings, including the Agoo Municipal hall, the Museo de Iloko , the parish church of Aringay, and the Basilica Minore of our Lady of Charity , collapsed or were severely damaged. Sitio Nagpanauan in Aringay completely submerged when the sea level rose and the land collapsed during the earthquake. 100,000 families were displaced when two coastal villages sank due to liquefaction . The province suffered many casualties leaving 32 people dead. In Pangasinan, about 90 buildings in Dagupan were damaged, and about 20 collapsed. Some structures sustained damage because liquefaction caused buildings to sink as much as 1 metre (39 inches). The earthquake caused
725-476: A common force. The leaders were assigned specific sectors using a system for distributing news and orders. The decade after the recognition of Philippine independence marked a return of the tobacco industry to Ilocos Norte. Ever since the end of the tobacco monopoly, tobacco production had declined in the Ilocos as Filipinos started shifting from locally made cigars to foreign made cigarettes. But after reading
870-698: A crucial focal point for military operations. On October 20, 1944, the Allied forces initiated the liberation of the Philippines, setting the stage for the Battle of Lingayen Gulf in early 1945. On January 6, 1945, the U.S. Navy , supported by the Royal Australian Navy , began heavy bombardments of Japanese coastal defenses and infrastructure, lasting until January 8. Japanese kamikaze attacks targeted Allied vessels from January 7 to 9, but despite
1015-507: A decrease in the elevation of the city and several areas were flooded. The city suffered 64 casualties of which 47 survived and 17 died. Most injuries were sustained during stampedes at a university building and a theater. The Ilocos Region, situated in the northwestern part of Luzon, Philippines, encompasses a total land area of 12,840.2 square kilometers. Of this area, 810,062 hectares are classified as alienable and disposable land, while 473,957 hectares are designated as forest land. The region
1160-514: A destination for Ilocano settlers, dating back to the Spanish colonial period when it was part of the larger Ilocos Province , and later, Ilocos Sur . The inclusion of these provinces in the region was part of a broader strategy to expand Ilocano influence among the ethnic communities of the Cordilleras . On July 15, 1987, President Corazon Aquino issued Executive Order No. 220 , creating
1305-516: A feature article series by Maximo Soliven which explained why Virginia tobacco would grow well on Ilocos soil, businessman Harry Stonehill was convinced to invest extensively in rebuilding the industry, establishing the Philippine Tobacco Flue-Curing and Redrying Corporation (PTFCRC) in 1951 and recruiting farmers from throughout Region 1 to produce tobacco. The following year, La Union Congressman Manuel T. Cases filed
1450-468: A global rise in sea level. Sea level also increases in the Indian Ocean, except in the south tropical Indian Ocean where it decreases, a pattern most likely caused by rising levels of greenhouse gases . Among the tropical oceans, the western Indian Ocean hosts one of the largest concentrations of phytoplankton blooms in summer, due to the strong monsoon winds. The monsoonal wind forcing leads to
1595-470: A handsome profit, and the newly-rebuilt local industry to bloom. Stonehill was later deported a decade later, in the 1960s, for tax evasion and bribery of government officials, in what would later be called the Stonehill scandal , but the tobacco industry continued to grow. Various human rights violations were documented in the Ilocos region during the Marcos martial law era , despite public perception that
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#17327657916691740-747: A maximum depth of 7,290 m (23,920 ft). All of the Indian Ocean is in the Eastern Hemisphere and the centre of the Eastern Hemisphere, the 90th meridian east , passes through the Ninety East Ridge . Within these waters are a number of islands. These include those controlled by surrounding countries, and independent island states and territories. Of the non-coastal islands, there are two broad clusters: one around Madagascar, and one south of India. A few other oceanic islands are scattered elsewhere. In contrast to
1885-578: A number of Ilocanos revolted. Noteworthy of these were the Dingras uprising (1589) and the Pedro Almasan revolt (San Nicolas, 1660). In 1762, Diego Silang led a series of battles aimed at freeing the Ilocano. When he died from his friendly fire his widow Gabriela continued his cause. She too was captured and executed. In 1807 the sugar cane ( basi ) brewers of Piddig rose up in arms to protest
2030-470: A period of six years, except for debris that gets indefinitely stuck in the centre of the gyre. The garbage patch in the Indian Ocean will, according to a 2012 study, decrease in size after several decades to vanish completely over centuries. Over several millennia, however, the global system of garbage patches will accumulate in the North Pacific. There are two amphidromes of opposite rotation in
2175-790: A process of aridification began in the southwest Indian Ocean began around 4,000 years ago. Mammalian megafauna once widespread in the MPA was driven to near extinction in the early 20th century. Some species have been successfully recovered since then — the population of white rhinoceros ( Ceratotherium simum simum ) increased from less than 20 individuals in 1895 to more than 17,000 as of 2013. Other species still depend on fenced areas and management programs, including black rhinoceros ( Diceros bicornis minor ), African wild dog ( Lycaon pictus ), cheetah ( Acynonix jubatus ), elephant ( Loxodonta africana ), and lion ( Panthera leo ). This biodiversity hotspot (and namesake ecoregion and "Endemic Bird Area")
2320-505: A return of the tobacco industry to the Ilocos Region. Ever since the end of the tobacco monopoly, tobacco production had declined in the Ilocos as Filipinos started shifting from locally made cigars to foreign made cigarettes. But after reading a feature article series by Maximo Soliven which explained why Virginia tobacco would grow well on Ilocos soil, businessman Harry Stonehill was convinced to invest extensively in rebuilding
2465-731: A significant hub for early Ilocano trade. In the southern part of the region, the pre-colonial polity ( panarian ) of Caboloan (modern-day Pangasinan), located in the Agno River basin and delta and near the Lingayen Gulf , with Binalatongan as the capital, also became a center for maritime trade. Gold mined from the Cordillera Mountain Range was transported along the Aringay-Tonglo-Balatok gold trail and traded in settlements like Agoo . At
2610-504: A significant portion of the world's tuna catch and is home to endangered marine species. It faces challenges like overfishing and pollution , including a significant garbage patch . Historically, the Indian Ocean has been a hub of cultural and commercial exchange since ancient times. It played a key role in early human migrations and the spread of civilizations. In modern times, it remains crucial for global trade, especially in oil and hydrocarbons. Environmental and geopolitical concerns in
2755-464: A strong coastal and open ocean upwelling , which introduces nutrients into the upper zones where sufficient light is available for photosynthesis and phytoplankton production. These phytoplankton blooms support the marine ecosystem, as the base of the marine food web, and eventually the larger fish species. The Indian Ocean accounts for the second-largest share of the most economically valuable tuna catch. Its fish are of great and growing importance to
2900-531: A system of constitutional authoritarianism for fourteen more years. His family and cronies were accused of stealing an estimated US$ 5 billion to US$ 10 billion during the 1980s, when the Philippine economy sharply declined until Marcos was deposed by the civilian-led People Power Revolution of February 1986. Various human rights violations were documented in the Ilocos Norte region during
3045-463: A wave of assassinations that coincided with the 1986–87 coup d'état that tried to unseat the democratic government set up after the 1986 People Power Revolution . Both Bueno and Pedro were later honored among the first 65 people to have their names inscribed on the Wall of Remembrance of the Philippines' Bantayog ng mga Bayani , which honors the martyrs and heroes who fought the dictatorship, and Pedro
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#17327657916693190-589: Is Mount Sicapoo , located within the Central Cordillera range in Ilocos Norte and Abra. This mountain, characterized by dense pine forests, reaches an elevation of 7,746 feet (2,361 meters) above sea level, making it the tallest point in Ilocos Norte. Ilocos Norte Ilocos Norte ( lit. ' Ilocos North ' ), officially the Province of Ilocos Norte ( Ilocano : Probinsia ti Ilocos Norte ; Tagalog : Lalawigan ng Ilocos Norte ),
3335-597: Is a province of the Philippines located in the Ilocos Region . It is located in the northwest corner of Luzon Island , bordering Cagayan and Apayao to the east, and Abra to the southeast, and Ilocos Sur to the southwest. Ilocos Norte faces the South China Sea to the west and the Luzon Strait to the north. Its capital is Laoag City , which is the most populous in the province. Ilocos Norte
3480-473: Is a patchwork of small forested areas, often with a unique assemblage of species within each, located within 200 km (120 mi) from the coast and covering a total area of c. 6,200 km (2,400 sq mi). It also encompasses coastal islands, including Zanzibar and Pemba, and Mafia. This area, one of the only two hotspots that are entirely arid, includes the Ethiopian Highlands ,
3625-457: Is also practiced by Mindanaoan traders and immigrants. Ilocano is the main language of the native majority in the province, with La Union recognized it as an official language since 2012. It became widespread in neighboring regions of Cagayan Valley (Region II) , Cordillera Administrative Region and major parts of Central Luzon (Region III) —where Ilocanos settled—as a lingua franca among respective Ilocano and non-Ilocano residents. Ilocano
3770-651: Is also recognized as a minority language in Mindoro , Palawan and Mindanao (particularly in some areas in Soccsksargen ), where Ilocanos had have been significant residents since the early 20th century. It is a third most widely spoken language in the Philippines, estimating 11 million speakers as of 2022. The language has many speakers overseas, including the American states of California and Hawaii . Filipino/Tagalog and English are also spoken and understood in
3915-643: Is approximately 30° north in the Persian Gulf . The Indian Ocean covers 70,560,000 km (27,240,000 sq mi), including the Red Sea and the Persian Gulf but excluding the Southern Ocean, or 19.5% of the world's oceans; its volume is 264,000,000 km (63,000,000 cu mi) or 19.8% of the world's oceans' volume; it has an average depth of 3,741 m (12,274 ft) and
4060-825: Is artificially connected to the Mediterranean Sea without ship lock through the Suez Canal , which is accessible via the Red Sea. The Arabian Sea is connected to the Persian Gulf by the Gulf of Oman and the Strait of Hormuz . In the Persian Gulf, the Gulf of Bahrain separates Qatar from the Arabic Peninsula. Along the west coast of India, the Gulf of Kutch and Gulf of Khambat are located in Gujarat in
4205-700: Is listed as Severely Endangered , with less than 300 speakers remaining. All remaining speakers of the language are part of the community's elders. Without a municipality-wide teaching mechanism of the Faire Atta language for the youth, the language may be extinct within 3-5 decades, making it a language in grave peril unless a teaching-mechanism is established by either the government or an educational institution in Currimao and nearby municipalities. Poverty incidence of Ilocos Norte Source: Philippine Statistics Authority The province specializes in
4350-731: Is noted for its distinctive geography and culture. This includes numerous examples of well-preserved Spanish colonial era architecture, particularly Saint William's Cathedral in Laoag with its sinking bell tower done in the Earthquake Baroque style, the St. Augustine Church in Paoay which is one of UNESCO's World Heritage Sites in the Philippines , and the Cape Bojeador Lighthouse . Famous geographical features include
4495-511: Is now Ilocos Norte , Ilocos Sur , Abra , La Union , and parts of Mountain Province , as his estate. He was also given the title Justicia Mayor de esta Provincia de Ylocos (Province Mayor of Ilocos). By the end of the 1700s, Ilocos had a population of 44,852 native families, 631 Spanish Filipino families, and 10,041 Chinese Filipino families. Despite Spanish efforts, the Ilocanos in
Ilocos Region - Misplaced Pages Continue
4640-469: Is projected to push the tropical Indian Ocean into a basin-wide near-permanent heatwave state by the end of the 21st century, where marine heatwaves are projected to increase from 20 days per year (during 1970–2000) to 220–250 days per year. South of the Equator (20–5°S), the Indian Ocean is gaining heat from June to October, during the austral winter, while it is losing heat from November to March, during
4785-571: Is strategically positioned with direct access to international sea lanes and features diverse geographical landscapes. It is bordered by the South China Sea to the west and the Central Cordillera Mountain Range to the east. In contrast, Pangasinan occupies the northwestern section of the vast Central Luzon Plain, with the Zambales Mountains forming its natural western boundary. The region's highest peak
4930-497: Is the third-largest of the world's five oceanic divisions, covering 70,560,000 km (27,240,000 sq mi) or approximately 20% of the water area of Earth's surface . It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by the Southern Ocean , or Antarctica , depending on the definition in use. The Indian Ocean has large marginal, or regional seas, such as
5075-478: The 1986-87 coup d'état which tried to unseat the democratic government set up after the 1986 People Power Revolution . Both Bueno and Pedro were later honored among the first 65 people to have their names inscribed on the wall of remembrance of the Philippines' Bantayog ng mga Bayani , which honors the martyrs and heroes who fought the dictatorship, and Pedro was listed among Filipino Catholics nominated to be named Servant of God . The integration of provinces into
5220-693: The Aglipayan Church are the two major religions in the province. Among the major Roman Catholic churches in Ilocos Norte include: Ilocos Norte is the home of two Aglipay Shrines ( Aglipayan Church ) in which one of it is where the church's first supreme leader, Gregorio Aglipay , was buried ( Gregorio Aglipay National Shrine ). There are also increasing numbers of Jehovah's Witnesses. There are also minor but steadily increasing members of Iglesia ni Cristo (INC). It has 2 Ecclesiastical Districts (Batac and Laoag). Each district includes 60 plus locales with barangay chapels. INC has 5-6% adherents. Islam
5365-748: The Andaman Sea , the Arabian Sea , the Bay of Bengal , and the Laccadive Sea . Once called the Eastern Ocean, it is now named after India , which protrudes into it, and has been known by its current name since at least 1515. It is the only ocean named after a country. It has an average depth of 3,741 m. All of the Indian Ocean is in the Eastern Hemisphere . Unlike the Atlantic and Pacific,
5510-748: The Arabian Peninsula in the Northern Hemisphere and north of the trade winds in the Southern Hemisphere. The Indonesian Throughflow is a unique Equatorial connection to the Pacific. The climate north of the equator is affected by a monsoon climate. Strong north-east winds blow from October until April; from May until October south and west winds prevail. In the Arabian Sea, the violent Monsoon brings rain to
5655-583: The Cordillera Administrative Region (CAR). This order transferred Abra, Mountain Province, and Benguet from the Ilocos Region to the newly established CAR, recognizing the unique cultural and historical identities of the Cordillera's indigenous peoples. As of today, the Ilocos Region consists of four provinces: Ilocos Norte , Ilocos Sur , La Union , and Pangasinan . Meanwhile, Abra, Mountain Province, and Benguet are part of
5800-577: The East African Rift valley , the Socotra islands, as well as some small islands in the Red Sea and areas on the southern Arabic Peninsula. Endemic and threatened mammals include the dibatag ( Ammodorcas clarkei ) and Speke's gazelle ( Gazella spekei ); the Somali wild ass ( Equus africanus somaliensis ) and hamadryas baboon ( Papio hamadryas ). It also contains many reptiles. In Somalia,
5945-638: The Kankanaey and Ibaloi in the southern highlands, who arrived during the first wave of migration. The second wave brought the Ilocanos , who settled in the northern coastal areas, alongside the Pangasinans , Bolinao and Zambals , who established communities in the southern and southwestern coastal zones. With the establishment of commercial trading routes in Southeast Asia, settlements in
Ilocos Region - Misplaced Pages Continue
6090-592: The La Paz Sand Dunes , the beaches of Pagudpud , and the eroded calcarenite Kapurpurawan rock formation in Burgos . It is the birthplace of several notable Philippine leaders including former President Ferdinand E. Marcos , Philippine Revolutionary War general Artemio Ricarte and Iglesia Filipina Independiente co-founder Gregorio Aglipay . Three wind farms are located in Ilocos Norte. They are located in Burgos , Pagudpud and Bangui with
6235-629: The Malacca , Sunda and Torres Straits . The Gulf of Carpentaria is located on the Australian north coast while the Great Australian Bight constitutes a large part of its southern coast. Several features make the Indian Ocean unique. It constitutes the core of the large-scale Tropical Warm Pool which, when interacting with the atmosphere, affects the climate both regionally and globally. Asia blocks heat export and prevents
6380-575: The Marcos martial law era , despite public perception that the region was supportive of Marcos' administration. Various farmers from the towns of Vintar, Dumalneg, Solsona, Marcos, and Piddig were documented to have been tortured, and eight farmers in Bangui and three indigenous community members in Vintar were " salvaged " in 1984. There were also various protests against the Marcos administration at
6525-818: The Mascarene Basin the CDW becomes a deep western boundary current before it is met by a re-circulated branch of itself, the North Indian Deep Water. This mixed water partly flows north into the Somali Basin whilst most of it flows clockwise in the Mascarene Basin where an oscillating flow is produced by Rossby waves . Water circulation in the Indian Ocean is dominated by the Subtropical Anticyclonic Gyre,
6670-422: The Sea of Zanj is located north of Madagascar. On the northern coast of the Arabian Sea , Gulf of Aden is connected to the Red Sea by the strait of Bab-el-Mandeb . In the Gulf of Aden, the Gulf of Tadjoura is located in Djibouti and the Guardafui Channel separates Socotra island from the Horn of Africa. The northern end of the Red Sea terminates in the Gulf of Aqaba and Gulf of Suez . The Indian Ocean
6815-432: The runoff water to the Indian Ocean. Mainly in summer, this runoff flows into the Arabian Sea but also south across the Equator where it mixes with fresher seawater from the Indonesian Throughflow . This mixed freshwater joins the South Equatorial Current in the southern tropical Indian Ocean. Sea surface salinity is highest (more than 36 PSU ) in the Arabian Sea because evaporation exceeds precipitation there. In
6960-423: The "Hinge zone may represent the relict of continental and proto-oceanic crustal boundary formed during the rifting of India from Antarctica ." Australia, Indonesia, and India are the three countries with the longest shorelines and exclusive economic zones . The continental shelf makes up 15% of the Indian Ocean. More than two billion people live in countries bordering the Indian Ocean, compared to 1.7 billion for
7105-443: The 15th century called it the Western Oceans. In Ancient Greek geography , the Indian Ocean region known to the Greeks was called the Erythraean Sea . The borders of the Indian Ocean , as delineated by the International Hydrographic Organization in 1953 included the Southern Ocean but not the marginal seas along the northern rim but in 2002 the IHO delimited the Southern Ocean separately, which removed waters south of 60°s from
7250-426: The 20th century. In the folk arts, the Philippines also recognizes Magdalena Gamayo of Pinili . Ilocos Norte as one of its National Living Treasures for textile weaving, preserving the inabel weaving tradition of the Ilocos region. The town of San Nicolas is known for its terracotta pottery, called damili after the Ilocano language word for pottery. San Nicolas' pottery tradition has been declared part of
7395-413: The Arabian Peninsula) and Limpopo rivers. After the breakup of East Gondwana and the formation of the Himalayas, the Ganges-Brahmaputra rivers flow into the world's largest delta known as the Bengal delta or Sunderbans . Marginal seas , gulfs, bays and straits of the Indian Ocean include: Along the east coast of Africa, the Mozambique Channel separates Madagascar from mainland Africa, while
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#17327657916697540-423: The Atlantic and 2.7 billion for the Pacific (some countries border more than one ocean). The Indian Ocean drainage basin covers 21,100,000 km (8,100,000 sq mi), virtually identical to that of the Pacific Ocean and half that of the Atlantic basin, or 30% of its ocean surface (compared to 15% for the Pacific). The Indian Ocean drainage basin is divided into roughly 800 individual basins, half that of
7685-482: The Atlantic and Pacific, the Indian Ocean is enclosed by major landmasses and an archipelago on three sides and does not stretch from pole to pole, and can be likened to an embayed ocean. It is centered on the Indian Peninsula. Although this subcontinent has played a significant role in its history, the Indian Ocean has foremostly been a cosmopolitan stage, interlinking diverse regions by innovations, trade, and religion since early in human history. The active margins of
7830-421: The Battle of Dagupan against the Spanish army. By August 1898, the revolutionaries had driven Spanish forces out of several towns, including Laoag, Ilocos Norte, marking a turning point in the revolution. On June 12, 1898, General Emilio Aguinaldo proclaimed Philippine independence and became the first president of the Republic of the Philippines. The American colonization of the Ilocos Region began following
7975-462: The Comoros. Although both species represent an order of lobe-finned fishes known from the Early Devonian (410 mya ) and though extinct 66 mya, they are morphologically distinct from their Devonian ancestors. Over millions of years, coelacanths evolved to inhabit different environments — lungs adapted for shallow, brackish waters evolved into gills adapted for deep marine waters. Of Earth's 36 biodiversity hotspots nine (or 25%) are located on
8120-477: The Cordillera Administrative Region. The Ilocos region has produced 3 more Philippine Presidents in the years since the 1986 People Power revolution : Pangasinense Fidel V. Ramos , Gloria Macapagal Arroyo (Ilocano on mother's side), and Ferdinand Marcos' son Bongbong Marcos . The southern parts of the region were severely hit by the 1990 Luzon earthquake . Five municipalities in La Union were affected: Agoo , Aringay , Caba , Santo Tomas , and Tubao with
8265-403: The East India Coastal Current to the Arabian Sea from January to April. An Indian Ocean garbage patch was discovered in 2010 covering at least 5 million square kilometres (1.9 million square miles). Riding the southern Indian Ocean Gyre , this vortex of plastic garbage constantly circulates the ocean from Australia to Africa, down the Mozambique Channel , and back to Australia in
8410-472: The Ilocos Region has evolved over time, shaped by political decisions aimed at administrative restructuring and cultural integration. In 1973, Presidential Decree No. 1 , issued by President Ferdinand Marcos , transferred the province of Pangasinan from Region III ( Central Luzon ) to Region I (Ilocos Region). This realignment was intended to strengthen Ilocano influence in Pangasinan, a province that had already experienced an influx of Ilocano settlers during
8555-411: The Indian Ocean but included the northern marginal seas. Meridionally , the Indian Ocean is delimited from the Atlantic Ocean by the 20° east meridian , running south from Cape Agulhas , South Africa, and from the Pacific Ocean by the meridian of 146°49'E, running south from South East Cape on the island of Tasmania in Australia. The northernmost extent of the Indian Ocean (including marginal seas)
8700-405: The Indian Ocean have an average width (horizontal distance from land to shelf break ) of 19 ± 0.61 km (11.81 ± 0.38 mi) with a maximum width of 175 km (109 mi). The passive margins have an average width of 47.6 ± 0.8 km (29.58 ± 0.50 mi). The average width of the slopes (horizontal distance from shelf break to foot of slope) of
8845-457: The Indian Ocean includes beaches and intertidal zones covering 3,000 km (1,200 sq mi) and 246 larger estuaries . Upwelling areas are small but important. The hypersaline salterns in India covers between 5,000–10,000 km (1,900–3,900 sq mi) and species adapted for this environment, such as Artemia salina and Dunaliella salina , are important to bird life. Coral reefs, sea grass beds, and mangrove forests are
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#17327657916698990-445: The Indian Ocean is bordered by landmasses and an archipelago on three sides, making it more like an embayed ocean centered on the Indian Peninsula. Its coasts and shelves differ from other oceans, with distinct features, such as a narrower continental shelf . In terms of geology, the Indian Ocean is the youngest of the major oceans, with active spreading ridges and features like seamounts and ridges formed by hotspots . The climate of
9135-432: The Indian Ocean is characterized by monsoons . It is the warmest ocean, with a significant impact on global climate due to its interaction with the atmosphere. Its waters are affected by the Indian Ocean Walker circulation , resulting in unique oceanic currents and upwelling patterns. The Indian Ocean is ecologically diverse, with important marine life and ecosystems like coral reefs, mangroves, and sea grass beds. It hosts
9280-424: The Indian Ocean region, or almost half of the world's mangrove habitat, of which 42,500 km (16,400 sq mi) is located in Indonesia, or 50% of mangroves in the Indian Ocean. Mangroves originated in the Indian Ocean region and have adapted to a wide range of its habitats but it is also where it suffers its biggest loss of habitat. In 2016, six new animal species were identified at hydrothermal vents in
9425-666: The Indian Ocean, during the past six decades. The tuna catch rates have also declined 50–90% during the past half-century, mostly due to increased industrial fisheries, with the ocean warming adding further stress to the fish species. Endangered and vulnerable marine mammals and turtles: 80% of the Indian Ocean is open ocean and includes nine large marine ecosystems : the Agulhas Current , Somali Coastal Current , Red Sea , Arabian Sea , Bay of Bengal , Gulf of Thailand , West Central Australian Shelf , Northwest Australian Shelf and Southwest Australian Shelf . Coral reefs cover c. 200,000 km (77,000 sq mi). The coasts of
9570-432: The Indian Ocean, probably caused by Rossby wave propagation. Icebergs drift as far north as 55° south latitude , similar to the Pacific but less than in the Atlantic where icebergs reach up to 45°S. The volume of iceberg loss in the Indian Ocean between 2004 and 2012 was 24 Gt . Since the 1960s, anthropogenic warming of the global ocean combined with contributions of freshwater from retreating land ice causes
9715-411: The Indian Ocean. While the Indian Ocean warmed at a rate of 1.2°C per century during 1950–2020, climate models predict accelerated warming, at a rate of 1.7 °C–3.8 °C per century during 2020–2100. Though the warming is basin-wide, maximum warming is in the northwestern Indian Ocean including the Arabian Sea, and reduced warming off the Sumatra and Java coasts in the southeast Indian Ocean. Global warming
9860-401: The Indian subcontinent. In the southern hemisphere, the winds are generally milder, but summer storms near Mauritius can be severe. When the monsoon winds change, cyclones sometimes strike the shores of the Arabian Sea and the Bay of Bengal . Some 80% of the total annual rainfall in India occurs during summer and the region is so dependent on this rainfall that many civilisations perished when
10005-404: The Lingayen Gulf region and began advancing into the heart of Luzon, paving the way for the liberation of Manila and the eventual defeat of Japanese forces in the Philippines. The Ilocos region produced two presidents of the Republic of the Philippines within the first two decades after the recognition of Philippine independence: Elpidio Quirino and Ferdinand Marcos . This period also marked
10150-515: The Lingayen Gulf region, which remained under Japanese control for three years, until it was recaptured by Allied forces in 1945. During the occupation, the region was part of the Japanese-controlled puppet republic led by President José P. Laurel . The local population endured widespread atrocities committed by the Japanese Imperial Army , including gang rape, sexual slavery ( comfort women ), torture, and other human rights violations. These brutal acts sparked significant resistance movements across
10295-415: The Martial Law era who came from Laoag was Catholic layperson and social worker Purificacion Pedro , who volunteered in organizations protesting the Chico River Dam Project in the nearby Cordillera Central mountains. Wounded while visiting activist friends in Bataan, she was later killed by Marcos administration soldiers while recuperating in the hospital. Another prominent opponent of the martial law regime
10440-536: The Monsoon failed in the past. The huge variability in the Indian Summer Monsoon has also occurred pre-historically, with a strong, wet phase 33,500–32,500 BP; a weak, dry phase 26,000–23,500 BC; and a very weak phase 17,000–15,000 BP, corresponding to a series of dramatic global events: Bølling–Allerød warming , Heinrich , and Younger Dryas . The Indian Ocean is the warmest ocean in
10585-668: The Pacific, of which 50% are located in Asia, 30% in Africa, and 20% in Australasia. The rivers of the Indian Ocean are shorter on average (740 km (460 mi)) than those of the other major oceans. The largest rivers are ( order 5 ) the Zambezi , Ganges - Brahmaputra , Indus , Jubba , and Murray rivers and (order 4) the Shatt al-Arab , Wadi Ad Dawasir (a dried-out river system on
10730-570: The Pangasinense port of Agoo, where porcelain and ceramic or pottery fragments were found during renovations of the Catholic church. These artifacts are now preserved in the Museo de Iloko . Japanese fishermen later established one of their first settlements in the Philippines in Agoo, introducing advanced fishing techniques and technologies to the local population. Another notable aspect of
10875-622: The Philippine National Commission for Culture and the Arts' School of Living Traditions program. Ilocos Norte is a center of the inabel weaving tradition, whose cloths are well known for being soft but sturdy, with a wide range of pattern designs drawn from Ilocano culture and experience Filipino culinary historian Doreen Fernandez notes that bitterness as a flavor principle is a uniquely prominent in Ilocano cuisine, quoting fellow food critic Edilberto Alegre saying
11020-619: The Southeast Arabian Sea salinity drops to less than 34 PSU. It is the lowest (c. 33 PSU) in the Bay of Bengal because of river runoff and precipitation. The Indonesian Throughflow and precipitation results in lower salinity (34 PSU) along the Sumatran west coast. Monsoonal variation results in eastward transportation of saltier water from the Arabian Sea to the Bay of Bengal from June to September and in westerly transport by
11165-554: The Southwest Indian Ridge, from where it continues into the Mozambique Channel and Prince Edward Fracture Zone . North of 20° south latitude the minimum surface temperature is 22 °C (72 °F), exceeding 28 °C (82 °F) to the east. Southward of 40° south latitude , temperatures drop quickly. The Bay of Bengal contributes more than half (2,950 km or 710 cu mi) of
11310-532: The Southwest Indian Ridge: a "Hoff" crab, a "giant peltospirid" snail, a whelk-like snail, a limpet, a scaleworm and a polychaete worm. The West Indian Ocean coelacanth was discovered in the Indian Ocean off South Africa in the 1930s and in the late 1990s another species, the Indonesian coelacanth , was discovered off Sulawesi Island , Indonesia. Most extant coelacanths have been found in
11455-526: The Spanish colonial era in the 19th century. Migration policies under Marcos further encouraged Ilocano settlement in Pangasinan, sometimes to the detriment of the native Pangasinense population. Prior to this decree, Pangasinan had not been part of the Ilocos Region. During the same period, the provinces of Abra , Mountain Province , and Benguet were also included in the Ilocos Region. These provinces, traditionally inhabited by indigenous groups, saw increased Ilocano migration. In particular, Abra had long been
11600-424: The Spanish conquistadors had Manila under their control and they began looking for new sites to conquer. Miguel Lopez de Legazpi 's grandson Juan de Salcedo volunteered to lead one of these expeditions. Together with 8 armed boats and 45 men the 22-year-old voyager headed north. On June 13, 1572, Salcedo and his men landed in present-day Vigan then proceeded to Laoag , Currimao and Badoc . As they sailed along
11745-736: The Spanish-Moroccan Villa was designed by Architect Jeorge Ramos. The golf course on Paoay Lake was built by Marcos in 1977 and was designed by Gary Player . Also of note are the La Paz Sand Dunes , Malacañang of the North , Cape Bojeador Lighthouse , Bangui Wind Farm , Saud Beach in Pagudpud and the Early Pliocene calcarenite Kapurpurawan Burgos Formation which was sculpted by wind and waves. Download coordinates as: Indian Ocean The Indian Ocean
11890-430: The advanced aesthetic traditions, burial, trade practices, and social structures of ancient Filipino communities, offering valuable insights into the region's precolonial culture and history. A year after Miguel López de Legazpi declared Manila the capital of the Philippines on June 24, 1571, Spanish colonization efforts expanded to Northern Luzon to "pacify the people." Spanish conquistador Martín de Goiti began
12035-639: The ancestors of indigenous groups in the Cordillera Central mountain range . Subsequent migrations introduced additional Austronesian populations, along with agricultural practices, which eventually supplanted the languages of earlier inhabitants. These Austronesian settlers included the Cordilleran ( Igorot ) groups, such as the Itneg (Tingguian) and the Isnag in the northern highlands, as well as
12180-756: The austral summer. In 1999, the Indian Ocean Experiment showed that fossil fuel and biomass burning in South and Southeast Asia caused air pollution (also known as the Asian brown cloud ) that reach as far as the Intertropical Convergence Zone . This pollution has implications on both a local and global scale. Forty percent of the sediment of the Indian Ocean is found in the Indus and Ganges fans. The oceanic basins adjacent to
12325-481: The bitter "Ilocos Norte mystique" is best represented in papaitan , a meat variant of kilawin characterized by its bitter flavors. Term of Office: June 30, 2022 - June 30, 2025 1st District: 2nd District: Ilocos Norte is a tourist destination, being the location of Fort Ilocandia, hotel, resort and casino. Built between 1981 and 1983 by the Philippine Tourism Authority ,
12470-400: The bordering countries for domestic consumption and export. Fishing fleets from Russia, Japan, South Korea , and Taiwan also exploit the Indian Ocean, mainly for shrimp and tuna. Research indicates that increasing ocean temperatures are taking a toll on the marine ecosystem. A study on the phytoplankton changes in the Indian Ocean indicates a decline of up to 20% in the marine plankton in
12615-701: The centre of the 1,500,000 km (580,000 sq mi) hotspot, the landscape is dominated by Acacia - Commiphora deciduous bushland, but also includes the Yeheb nut ( Cordeauxia edulus ) and species discovered more recently such as the Somali cyclamen ( Cyclamen somalense ), the only cyclamen outside the Mediterranean. Warsangli linnet ( Carduelis johannis ) is an endemic bird found only in northern Somalia. An unstable political situation and mismanagement has resulted in overgrazing which has produced one of
12760-490: The church bells. Indigenous peoples living in the Ilocos Region, such as the Yapayao and Isneg, were slowly pushed into living in the sparsely populated but resource-rich mountains, which would expose them to conflicts with developers in later eras, such as during Martial Law under Ferdinand Marcos . Spanish colonization of the region was not completely successful. Owing to the abusive practices of many Augustinian friars
12905-493: The coast they were surprised to see numerous sheltered coves ( looc ) where the locals lived in harmony. They named the region Ylocos and its people Ylocanos . As the Christianization of the region grew so did the landscape of the area. Vast tracts of land were utilized for churches and bell towers in line with the Spanish mission of bajo las campanas . In the town plaza it was not uncommon to see garrisons under
13050-621: The combined forces of the Col. Kanno and Gen. Shizuichi Tanaka Detachments advanced south along Route 3. After overcoming Philippine defenses in Bacnotan , they reached San Fernando , La Union, by December 22. The Japanese 14th Army, commanded by Lieutenant General Masaharu Homma, had also landed at Lingayen Gulf, gaining control of key areas in Pangasinan and La Union . This marked the beginning of Japanese occupation of Northern Luzon, including
13195-659: The conclusion of the Spanish-American War in 1898, when the Philippines was ceded to the United States under the Treaty of Paris . This marked a period of profound transformation for the region, which came under American colonial administration after the Philippine-American War (1899-1902). On November 18, 1899, American forces landed in the Ilocos Region in pursuit of Emilio Aguinaldo,
13340-516: The conquest of Pangasinan and established several Spanish settlements between 1571 and 1573. By April 5, 1580, Pangasinan became an administrative and judicial district of the province, with Lingayen as its capital. However, its territorial boundaries were first delineated in 1611, with the area originating from the Spanish settlement in Manila through Pampanga . On May 20, 1572, a year after Goiti's conquest, conquistadores led by Juan de Salcedo ,
13485-505: The continental shelves are 50.4–52.4 km (31.3–32.6 mi) for active and passive margins respectively, with a maximum width of 205.3–255.2 km (127.6–158.6 mi). In correspondence of the Shelf break , also known as Hinge zone, the Bouguer gravity ranges from 0 to 30 mGals that is unusual for a continental region of around 16 km thick sediments. It has been hypothesized that
13630-551: The continental slopes mostly contain terrigenous sediments. The ocean south of the polar front (roughly 50° south latitude ) is high in biologic productivity and dominated by non-stratified sediment composed mostly of siliceous oozes . Near the three major mid-ocean ridges the ocean floor is relatively young and therefore bare of sediment, except for the Southwest Indian Ridge due to its ultra-slow spreading rate. The ocean's currents are mainly controlled by
13775-632: The damage, the U.S. Navy maintained control of the Gulf, securing it for the imminent invasion. On January 9, known as S-Day , Gen. Douglas MacArthur and U.S. Army forces from the Sixth Army landed on a 25-mile beachhead between Lingayen and San Fabian . The landings, supported by over 800 ships and extensive air support, faced light resistance, as the Japanese had concentrated their defenses inland. By January 15, 1945, Allied forces had firmly secured
13920-572: The disestablishment of the Catholic Church, further signaling the shift in socio-political structures under American rule. In 1901, several towns from Nueva Ecija including Balungao , Rosales , San Quintin , and Umingan were annexed to the province of Pangasinan. On November 30, 1903, additional municipalities from northern Zambales such as Agno , Alaminos , Anda , Bani , Bolinao , Burgos , Dasol , Infanta , and Mabini were transferred to Pangasinan. These towns, originally part of
14065-574: The division of Ilocos into two provinces (Ilocos Norte and Ilocos Sur) on February 2, 1818. The Pangasinans in the south were the last to resist Spanish rule. During the Philippine Revolution of 1896-1898, General Manuel Tinio allied with Emilio Aguinaldo to lead the revolution in Northern Luzon (Ilocos Siege), alongside General Francisco Makabulos . Makabulos led his forces to liberate Pangasinan and led revolutionaries in
14210-612: The eastern extension of which is blocked by the Southeast Indian Ridge and the 90°E Ridge. Madagascar and the Southwest Indian Ridge separate three cells south of Madagascar and off South Africa. North Atlantic Deep Water reaches into the Indian Ocean south of Africa at a depth of 2,000–3,000 m (6,600–9,800 ft) and flows north along the eastern continental slope of Africa. Deeper than NADW, Antarctic Bottom Water flows from Enderby Basin to Agulhas Basin across deep channels (<4,000 m (13,000 ft)) in
14355-458: The establishment of a Filipino civilian government under American oversight. Civil governance was introduced in the Ilocos Region, as well as the rest of the Philippines, on July 1, 1901, with William H. Taft serving as the first Civil Governor. The position was later renamed Governor-General by the U.S. Congress on February 3, 1903. One of the most notable reforms was the establishment of a centralized public school system in 1901, using English as
14500-455: The fall of Corregidor and the subsequent occupation of the Philippines by the Empire of Japan, a number of small guerrilla groups formed in the area of Ilocos Norte, some of which resorted to banditry. Governor Roque Ablan Sr., with the help of Philippine Army Lt. Feliciano Madamba, was able to put together a guerrilla unit to engage the Japanese forces and to rally the other guerrilla groups into
14645-693: The following products and industries: In 2005, NorthWind Power Development Corp. began commercial operation of the Bangui Wind Farm in the Municipality of Bangui, having initiated and developed the project in response to a 1996 study by the National Renewable Energy Laboratory (NREL) which identified Bangui as one of the viable sites for wind energy sites in the Philippines. Connected to the Luzon Grid ,
14790-635: The government's monopoly of the wine industry. In 1898, the church excommunicated Gregorio Aglipay for refusing to cut off ties with the revolutionary forces of Gen. Emilio Aguinaldo . Unperturbed, he helped established the Iglesia Filipina Independiente . In an effort to gain political control and because of the increasing population of the region, a Royal Decree was signed on February 2, 1818, splitting Ilocos into two provinces: Ilocos Norte and Ilocos Sur. Soon thereafter, La Union and Abra became independent provinces. After
14935-474: The grandson of Legazpi, ventured northward with eight armed boats and 80 men. They sailed to Lingayen Gulf and landed at the mouth of the Agno River . In 1574, Limahong , a Chinese pirate, fled to Pangasinan after his fleet was driven away from Manila. Limahong attempted to establish a colony in Pangasinan but failed as an army led by Salcedo chased him out of the region after a seven-month siege. Salcedo then continued his journey to Agoo , where he discovered
15080-593: The homeland of the Sambal people, were reassigned due to their geographic distance from their original provincial capitals. Despite resistance from local communities, this decision has remained unchanged. Under the Philippine Organic Act of 1902 , the Ilocos Region experienced significant political, economic, and social changes. Infrastructure development flourished, with the construction of public schools, bridges, railways, airports, and ports, enhancing
15225-418: The industry, establishing the Philippine Tobacco Flue-Curing and Redrying Corporation (PTFCRC) in 1951 and recruiting farmers from throughout Region 1 to produce tobacco. The following year, La Union Congressman Manuel T. Cases filed a bill to "limit the importation of foreign leaf tobacco," which was eventually signed by President Elpidio Quirino as Republic Act 698. This allowed Stonehill's investments to make
15370-593: The islands of the Indian Ocean are textbook cases of evolutionary processes; the dung beetles , day geckos , and lemurs are all examples of adaptive radiation . Many bones (250 bones per square metre) of recently extinct vertebrates have been found in the Mare aux Songes swamp in Mauritius, including bones of the Dodo bird ( Raphus cucullatus ) and Cylindraspis giant tortoise. An analysis of these remains suggests
15515-489: The landing was delayed by bad weather and American air attacks, which damaged Japanese ships and caused casualties. By December 11, the Japanese forces had successfully captured Vigan and dispatched additional troops to seize Laoag and its airfield. As American forces retreated, Lieutenan Gen. Masaharu Homma left a small garrison in Vigan and redirected the main forces to support operations at Lingayen Gulf . By December 20,
15660-514: The latter being the first wind power generation plant in the Philippines. Long before the arrival of the Spaniards, there existed an extensive region consisting of Ilocos Norte, Ilocos Sur, Abra and La Union. Merchants from Japan and China would often visit the area to trade gold for beads, ceramics and silk. The Austronesian inhabitants of the region called their place samtoy , from sao mi toy , which literally meant "our language". In 1571,
15805-431: The leader of the Philippine resistance. While American troops swiftly occupied towns, they faced persistent resistance in the rural areas (barrios), where guerrilla forces led by Gen. Manuel Tinio continued the struggle. Tinio, a veteran of the 1896 Philippine Revolution against Spain, orchestrated a widespread guerrilla campaign, harassing American forces in the countryside. One of the most iconic events during this period
15950-403: The major ethnolinguistic group composition of the region is predominantly made up of Ilocanos (58.3%), followed by Pangasinans (29.7%), Tagalogs (4.1%), and various Cordilleran ( Igorot ) indigenous groups. The region is renowned for its rich natural and cultural attractions, featuring historic and UNESCO World Heritage sites, surfing spots, pristine beaches, island-hopping adventures, and
16095-481: The margins of the Indian Ocean. The origin of this diversity is debated; the break-up of Gondwana can explain vicariance older than 100 mya, but the diversity on the younger, smaller islands must have required a Cenozoic dispersal from the rims of the Indian Ocean to the islands. A "reverse colonisation", from islands to continents, apparently occurred more recently; the chameleons , for example, first diversified on Madagascar and then colonised Africa. Several species on
16240-794: The medium of instruction. To address a shortage of educators, the colonial government deployed 600 American teachers known as the Thomasites . By September 1902, public secondary schools had been established across the region, including institutions in Lingayen (Pangasinan), Vigan and Santa Maria (Ilocos Sur), Bauang , Bacnotan , and San Fernando (La Union), and Laoag and Dingras (Ilocos Norte) with several US Thomasites serving as educators. The Taft Commission per instructions of US President McKinley introduced free primary education, designed to prepare citizens for civic duties. Additionally, church lands were purchased and redistributed following
16385-634: The mid-18th century, as opposed to the Western Ocean ( Atlantic ) before the Pacific was surmised. In modern times, the name Afro-Asian Ocean has occasionally been used. The Hindi name for the Ocean is हिंद महासागर ( Hind Mahāsāgar ; lit. transl. Ocean of India ). Conversely, Chinese explorers (e.g., Zheng He during the Ming dynasty ) who traveled to the Indian Ocean during
16530-464: The monsoon. Two large gyres , one in the northern hemisphere flowing clockwise and one south of the equator moving anticlockwise (including the Agulhas Current and Agulhas Return Current ), constitute the dominant flow pattern. During the winter monsoon (November–February), however, circulation is reversed north of 30°S and winds are weakened during winter and the transitional periods between
16675-622: The monsoons. The Indian Ocean contains the largest submarine fans of the world, the Bengal Fan and Indus Fan , and the largest areas of slope terraces and rift valleys . The inflow of deep water into the Indian Ocean is 11 Sv , most of which comes from the Circumpolar Deep Water (CDW). The CDW enters the Indian Ocean through the Crozet and Madagascar basins and crosses the Southwest Indian Ridge at 30°S. In
16820-543: The most productive ecosystems of the Indian Ocean ;— coastal areas produce 20 tones of fish per square kilometre. These areas, however, are also being urbanised with populations often exceeding several thousand people per square kilometre and fishing techniques become more effective and often destructive beyond sustainable levels while the increase in sea surface temperature spreads coral bleaching. Mangroves covers 80,984 km (31,268 sq mi) in
16965-589: The northern end while the Laccadive Sea separates the Maldives from the southern tip of India. The Bay of Bengal is off the east coast of India. The Gulf of Mannar and the Palk Strait separate Sri Lanka from India, while Adam's Bridge separates the two. The Andaman Sea is located between the Bay of Bengal and the Andaman Islands. In Indonesia, the so-called Indonesian Seaway is composed of
17110-480: The northern parts of the region were less easily swayed and remained resistant to Spanish rule. These resentments led to several uprisings throughout the region's history, including the insurrections of Andrés Malong in 1660, Palaris of Pangasinan in 1762, Pedro Almazán in Ilocos Norte in 1661, Diego Silang and Gabriela Silang in 1764 and Basi Revolt in 1807. After the Basi Revolt, tensions culminated in
17255-610: The project was the first wind farm in Southeast Asia, supplying 40% of Ilocos Norte's electricity needs, and becoming a major tourist site for Bangui. AC Energy , the listed energy platform of the Ayala Group , acquired the controlling shares of Northwind and of the Bangui Wind Farm in 2017. Ilocos Norte has given birth to numerous artists that have received national acclaim - perhaps the most notable being Philippine Revolution era activist and leader Juan Luna , who
17400-498: The province is Barangay No. 1, San Lorenzo (Poblacion) in the City of Laoag with a population of 4,391 in the 2010 census. If cities are excluded, Davila in the municipality of Pasuquin has the highest population, at 3,900. The least populous is Sapat in the municipality of Pasuquin , with only 32. The population of Ilocos Norte in the 2020 census was 609,588 people, with a density of 180 inhabitants per square kilometre or 470 inhabitants per square mile. Roman Catholicism and
17545-466: The region flourished both culturally and economically through maritime trade. The Ilocanos , known as Samtoy in pre-colonial times, actively traded goods and products with local and foreign merchants, including the Chinese and Japanese . One notable coastal trading post was Bee Gan (Chinese: 美岸; měi'àn ; bí-gān ), meaning " beautiful shore ," which is now the city of Vigan . This site served as
17690-530: The region include the effects of climate change , piracy, and strategic disputes over island territories. The Indian Ocean has been known by its present name since at least 1515, when the Latin form Oceanus Orientalis Indicus ( lit. ' Indian Eastern Ocean ' ) is attested, named after India, which projects into it. It was earlier known as the Eastern Ocean , a term that was still in use during
17835-464: The region was supportive of Marcos' administration. In Ilocos Norte, various farmers from the towns of Vintar, Dumalneg, Solsona, Marcos, and Piddig were documented to have been tortured, and eight farmers in Bangui and three indigenous community members in Vintar were " salvaged " in 1984. Ilocanos who were critical of Marcos' authoritarian rule included Roman Catholic Archbishop and Agoo, La Union native Antonio L. Mabutas , who spoke actively against
17980-466: The region's early history is the discovery of the Bolinao Skull , which dates to the 14th or 15th century and is associated with the early inhabitants of Pangasinan. The skull is particularly notable for its dental ornamentation , with teeth inlaid with gold . It was found alongside 67 other similarly adorned skulls and trade ware ceramics from the early Ming Dynasty . This discovery highlights
18125-869: The region's history. American colonization ended on July 4, 1946 in WWII's aftermath gaining Philippines Independence from the United States. The Japanese invasion of the Philippine Commonwealth began on December 8, 1941 during World War II , when Japan launched an attack on U.S. military installations and residential areas, following the attack on Pearl Harbor . Just two days later, the Japanese Kanno Detachment landed in Vigan, Ilocos Sur , aiming to secure airstrips for further military operations. Although initially unopposed,
18270-677: The region, utilized in business, education and media. Aside from Ilocano, Filipino (the national language) and English, there are other two indigenous languages in Ilocos Norte. There are the Isnag language of the east, Itneg in Nueva Era, and the Apnutam language in Currimao. Apnutam is listed as one of the 15 endangered languages of the Philippines according to the UNESCO Atlas of the World's Endangered Languages . The Apnutam language
18415-535: The region, with several guerrilla groups forming to oppose the Japanese occupation. One prominent leader of the local resistance was Captain Candonino Villalon Gaerlan , who led a successful ambush against Japanese forces in Candon, Ilocos Sur , symbolizing local defiance against the invaders. By 1944, with the United States beginning its campaign to liberate the Philippines, the region became
18560-411: The region’s connectivity with other parts of the country. However, these developments were accompanied by local unrest. Reports of war crimes, forced relocations, extrajudicial killings , and destruction of property by American forces fueled discontent among the population. While the introduction of modern governance and infrastructure brought progress, these human rights abuses left a lasting impact on
18705-416: The spike reported in August 2021 being attributed to the Delta variant of the virus. Ilocos Norte covers a total area of 3,467.89 square kilometres (1,338.96 sq mi) occupying the northern tip of the Ilocos Region in Luzon . The province is bordered by Cagayan to the extreme northeast, Apayao to the east, and Abra to the southeast, Ilocos Sur to the southwest, the West Philippine Sea to
18850-426: The time, Agoo's coastal shape made it an ideal harbor for foreign vessels. This trade network connected the region to maritime routes spanning the Indian Ocean and the South China Sea . Goods exchanged included porcelain , silk ( inabel ), cotton, beeswax, honey, gemstones, beads, precious minerals, locally crafted burnáy (stoneware jars), and particularly gold. Evidence of this trade has been uncovered in
18995-406: The time, with Aurora Park in the Laoag Plaza being one of the favored places to stage protests. One of the prominent victims of the Martial Law era who came from Laoag was Catholic layperson and social worker Purificacion Pedro , who volunteered in organizations protesting the Chico River Dam Project in the nearby Cordillera Central mountains. Wounded while visiting activist friends in Bataan, she
19140-410: The tip of Luzón, and continued to pacify the Bicol Region . In 1574, Salcedo returned to Vigan with soldiers and Augustinian missionaries to initiate the evangelization of the Ilocos region. He established a Spanish city to control the neighboring territories and convert the native population to Catholicism . As a reward for his services, Salcedo was granted the province of Ylocos , covering what
19285-456: The tobacco industry continued to grow. Ilocos Norte gained additional prominence in December 1965 when Ferdinand Marcos became president, and again when he won a second term in 1969, boosted by debt-driven infrastructure spending that created economic crises and massive social unrest at the beginning of the 1970s. Facing the end of his constitutionally allowed presidential terms, he declared martial law in 1972 and became dictator under
19430-418: The torture and killings of church workers. Other La Union natives who fought the dictatorship were student activists Romulo and Armando Palabay of San Fernando, La Union , whose torture and death in a military camp in Pampanga would lead them to being honored as martyrs in the fight against the dictatorship in the Philippines' Bantayog ng mga Bayani memorial. In Ilocos Norte, one of the prominent victims of
19575-415: The ventilation of the Indian Ocean thermocline . That continent also drives the Indian Ocean monsoon , the strongest on Earth, which causes large-scale seasonal variations in ocean currents, including the reversal of the Somali Current and Indian Monsoon Current . Because of the Indian Ocean Walker circulation there are no continuous equatorial easterlies. Upwelling occurs near the Horn of Africa and
19720-426: The well-preserved Spanish baroque churches and colonial city of Vigan . The region was originally inhabited by Negritos as early as 30,000 BC but over time, these early settlers were displaced by successive waves of Austronesian migrants who arrived via the region's narrow coastal areas using traditional boats known as balangay boat (referred to as biray or bilog in Ilocano). The migrations are explained by
19865-448: The west, and the Luzon Strait to the north. Ilocos Norte comprises 21 municipalities and 2 component cities , further subdivided into 559 barangays . There are two legislative districts in the province. Updated classification of municipalities in Ilocos Norte. Updated Income Class of Ilocos Norte Municipalities Ilocos Norte has 559 barangays comprising its 21 municipalities and 2 cities. The most populous barangay in
20010-407: The widely accepted " Out of Taiwan " hypothesis, which posits that Neolithic Austronesian peoples migrated from Taiwan , forming the ancestral populations of contemporary Austronesians. Austronesians are believed to have originated from Southern China or Taiwan and arrived in the Philippines through at least two major migration waves. The first wave, approximately 10,000 to 7,000 years ago, brought
20155-417: The world. Long-term ocean temperature records show a rapid, continuous warming in the Indian Ocean, at about 1.2 °C (34.2 °F) (compared to 0.7 °C (33.3 °F) for the warm pool region) during 1901–2012. Research indicates that human induced greenhouse warming , and changes in the frequency and magnitude of El Niño (or the Indian Ocean Dipole ), events are a trigger to this strong warming in
20300-405: Was born in Badoc . The province is also home to at least one National Artists of the Philippines - National Artist for Theater Severino Montano who was conferred the honor in 2001. Another influential artist was Ricarte Puruganan , one of the Philippines' influential "Thirteen Moderns," who broke away from the painting style of Conservatives, led by Fernando Amorsolo , during the first half of
20445-404: Was human rights advocate and Bombo Radyo Laoag program host David Bueno , who worked with the Free Legal Assistance Group in Ilocos Norte during the later part of the Marcos administration and the early part of the succeeding Aquino administration. He would later be assassinated by motorcycle-riding men in fatigue uniforms on October 22, 1987 – part of a wave of assassinations which coincided with
20590-500: Was later killed by Marcos administration soldiers while recuperating in the hospital. Another prominent opponent of the martial law regime was human rights advocate and Bombo Radyo Laoag program host David Bueno , who worked with the Free Legal Assistance Group in Ilocos Norte during the later part of the Marcos administration and the early part of the succeeding Aquino administration. He would later be assassinated by motorcycle-riding men in fatigue uniforms on October 22, 1987 – part of
20735-412: Was listed among Filipino Catholics nominated to be named Servant of God . The municipality of Batac became a component city by virtue of Republic Act No. 9407 which sought to convert the municipality into a city. The law was ratified on June 23, 2007. However, the cityhood status was lost twice in the years 2008 and 2010 after the LCP questioned the validity of the cityhood law. The cityhood status
20880-466: Was reaffirmed after the court finalized its ruling on February 15, 2011 which declared the cityhood law constitutional. Ilocos Norte was among the provinces affected by the COVID-19 pandemic in the Philippines , reporting its first three cases of COVID-19 on March 31, 2020, including a male patient each from Batac and Paoay, and former senator Bongbong Marcos , who had arrived from travel to Spain. Ilocos Norte experienced surges in cases in 2021, with
21025-448: Was the Battle of Tirad Pass on December 2, 1899. Gen. Gregorio del Pilar and his 60 soldiers faced over 300 troops of the U.S. 45th Infantry Division, led by Gen. Peyton C. March . Despite a valiant defense, the Filipinos ultimately lost their position, marking a significant, albeit symbolic, moment in the resistance against American forces. The Philippine-American War officially ended in 1902, following years of intense conflict, with
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