The Jolo Group of Volcanoes, more commonly referred to as the Jolo Group, are an active group of volcanoes on the island of Jolo in Southern Philippines. The Global Volcanism Program lists Jolo as one of the active volcanoes in the Philippines [1] while the Philippine Institute of Volcanology and Seismology (PHIVOLCS) collectively lists the group as Bud Dajo, one of the cinder cones on the island.
Jolo is a volcanic island located 150 kilometres (93 mi) southwest of the southern tip of the Zamboanga Peninsula of Mindanao Island. The island is part of the Sulu Archipelago, in the province of Sulu, located within the Autonomous Region in Muslim Mindanao, one of the Regions of the Philippines.
The figure-eight shaped island is about 60 kilometres (37 mi) at its longest, about 15 kilometres (9.3 mi) at its widest and about 5 kilometres (3.1 mi) at the narrowest section. The volcanic island is dotted with cinder cones, tuff cones, pyroclastic cones, maars and crater lakes.
The highest point in the island is Mount Tumatangas [2] with an elevation of 811 metres (2,661 ft) asl. Bud Dajo has an elevation of 620 metres (2,030 ft) asl.
Guimba, Matanding, and Sungal, are some other volcanic cones near Bud Dajo. Four crater lakes are located on the island: Lake Seit, Lake Panamao and Lake Timpuak and Sani Crater Lake. Solfataric activity is found at Seit Lake.
On January 4, 1641, a volcanic eruption covered much of Mindanao in darkness and sent showers of ash as far as Cebu and Panay. It was reported at the time as being from a small island "opposite the main river of Jolo" and the only possible source of eruption in Jolo is Mount Dakula near Lake Panamao. [3] From recent studies, the eruption was finally attributed to Mount Parker in South Cotabato.
A tsunami occurred in 1897, believed to have been caused by a local submarine eruption on September 21, 1897. It is possible this eruption was centered at Lake Seit, a volcanic maar with still active solfatara.
Volcanoes in the Jolo Group are young and considered active on the probable eruptions above.
Rock types are predominantly basalt and andesite.
Jolo Group is part of the Sulu Volcanic Arc, one of the two northeastern arms of the Sunda Plate which is in collision with the Philippine Mobile Belt. It is an area of frequent earthquakes and volcanic activity.
Like most volcanos in the former Sultanate of Sulu, the group is little studied scientifically.
All volcanos in the Philippines are part of the Pacific ring of fire.
Mayon, also known as Mount Mayon and Mayon Volcano, is an active stratovolcano in the province of Albay in Bicol, Philippines. A popular tourist spot, it is renowned for its "perfect cone" because of its symmetric conical shape, and is regarded as sacred in Philippine mythology.
Didicas Volcano is an active volcanic island in the province of Cagayan in northern Philippines. The island, which was a submarine volcano and re-emerged from the sea in 1952, is 22 kilometres (14 mi) NE of Camiguin Island, one of the Babuyan Islands in Luzon Strait. Before 1952, the volcano first breached the ocean surface in 1857.
Bud Dajo, is a cinder cone and the second highest point (+600m) in Sulu, a province of the Philippines in the Sulu Archipelago. It is one of the cinder cones that make up the island of Jolo and part of the Jolo Volcanic Group. The extinct volcano is located 8 kilometres (5.0 mi) southeast from the town of Jolo in Sulu. The mountain and adjacent lands were declared as Mount Dajo National Park in 1938. It is a sacred mountain for the locals, and the Tausug people at-large, as well as nearby ethnic groups.
Jolo is a volcanic island in the southwest Philippines and the primary island of the province of Sulu, on which the capital of the same name is situated. It is located in the Sulu Archipelago, between Borneo and Mindanao, and has a population of approximately 500,000 people.
Taal Volcano is a large caldera filled by Taal Lake in the Philippines. Located in the province of Batangas about 50 kilometers (31 mi) south of Manila, the volcano is the second most active volcano in the country with 38 recorded historical eruptions, all of which were concentrated on Volcano Island, near the middle of Taal Lake. The caldera was formed by prehistoric eruptions between 140,000 and 5,380 BP.
Babuyan Claro Volcano, also known as Mount Pangasun, is an active volcano located on Babuyan Island, the northernmost of the Babuyan group of islands in Luzon Strait, north of the main island of Luzon in the Philippines. It is classified as one of the active volcanoes of the country with the last confirmed eruption in 1860.
Camiguin de Babuyanes or Mount Camiguin, is an active stratovolcano on Camiguin Island which is part of the Babuyan Islands group that is located in Luzon Strait in the Philippines, north of the island of Luzon located in the municipality of Calayan in the province of Cagayan. The volcano and the island are within the jurisdiction of the municipality of Calayan, in the province of Cagayan. The island has a population of 5,231 people in 2020. There has been only one single eruption by the volcano prior to 1857.
Mount Hibok-Hibok is a stratovolcano on Camiguin Island in the Philippines. One of the active volcanoes in the country, it is part of the Pacific ring of fire.
Mount Matutum is an active stratovolcano, is the highest point in the province of South Cotabato in the Philippines, with an elevation of 7,500 feet above sea level, approximately 5.7 kilometres (3.5 mi) from Acmonan, Tupi, South Cotabato. Matutum and its foothills are predominantly inhabited by indigenous Blaan families.
Musuan Peak or Mount Musuan, also known as Mount Calayo is an active volcano in Maramag, Bukidnon, on the island of Mindanao in the Philippines. It is 4.5 kilometres (2.8 mi) south of the city of Valencia, province of Bukidnon, and 81 kilometres (50 mi) southeast of Cagayan de Oro.
Smith Volcano, also known as Mount Babuyan, is a cinder cone on Babuyan Island, the northernmost of the Babuyan group of islands on Luzon Strait, north of the main island of Luzon in the Philippines. The mountain is one of the active volcanoes in the Philippines, which last erupted in 1924.
Mount Mélébingóy, formerly known as Parker Volcano, is an active volcano on Mindanao island in the Philippines. It is located in the province of South Cotabato, 30 km (19 mi) west of General Santos and 44 km (27 mi) south of Koronadal City.
Mount Leonard Kniaseff, or simply Leonard Kniaseff, is a stratovolcano between the municipalities of Mabini and Maco in the province of Davao de Oro, island of Mindanao, Philippines.
Cabalian Volcano is an active stratovolcano located in the province of Southern Leyte in the Philippines.
Mount Mandalagan is a complex volcano located at latitude 10.65° North (10°39'0"N), longitude 123.25° East (123°15'0"E), in the province of Negros Occidental, on the north of the island of Negros of the Philippines. It is located inside the Northern Negros Natural Park.
Mount Labo, is a potentially active stratovolcano in the province of Camarines Norte, in the Bicol Region (Region V), on Luzon Island, in the Philippines. It is located at the northwest end of the Bicol Peninsula.
Mount Mariveles is a dormant stratovolcano and the highest point in the province of Bataan in the Philippines. Mariveles and the adjacent Mount Natib comprise 80.9 percent of the total land area of the province. The mountain and adjacent cones lie opposite the city of Manila across Manila Bay, providing a beautiful setting for the sunsets seen from the city.
Mount Balatukan is a massive potentially active compound stratovolcano in the Southern island of Mindanao, Philippines. It is the highest point in the province of Misamis Oriental. The volcano has no historical eruptions but displays fumarolic activity. The 2,560-metre (8,400 ft) mountain is topped by a triangular shaped caldera 15 kilometers (9.3 mi) long and 10.6 kilometers (6.6 mi) at its widest. The Balatocan River emanates from and drains the huge crater.
Balut Island, also known as Malulong, is a potentially active volcanic island south of the tip of Davao Occidental province in the Mindanao region, southern Philippines. At the center of the island is Balut Volcano, a fumarolic volcano with no historical eruptions.
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