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Biliran (volcano)

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Volcano in the Philippines

This article is about the volcano. For the municipality, seeBiliran, Biliran. For the province, seeBiliran.

Biliran
Biliran Biliran province,Eastern Visayas region,Visayas island group,Philippines
Highest point
Elevation	1,340 m (4,400 ft)^[1]
Prominence	199 m (653 ft)
Coordinates	11°39′00″N124°32′06″E / 11.65°N 124.535°E /11.65; 124.535^[1]
Geography
Location	Biliran province,Eastern Visayas region,Visayas island group,Philippines
Geology
Rock age	Quaternary^[1]
Mountain type	Complex volcano
Last eruption	September 26, 1939^[1]

Mount Biliran is asolfataric activecomplex volcano located in the island province ofBiliran in thePhilippines. The volcano caused the formation of the island.

Rock Type: Hornblende andesite containing greenish and black hornblende
Tectonic Setting: Biliran Volcano is part of the curvilinear belt of Quaternary volcanoes in easternPhilippines, parallel to Phil. Trench to the east

Number of Historical Eruptions: 1
Latest Eruption/Activity: September 26, 1939
Site: crater
Eruption Character: Debris avalanche
Affected Areas/Remarks: Ashfall at Caibiran and adjoining areas (6.35 cm thick deposits)
Monitoring activity: Short-term monitoring in 1954

Hotsprings:
1. Central Biliran – Libtong Thermal Areas (12 hot springs and one bubbling pool)
2. North Biliran – Panamao Thermal Area
3. Anas Thermal Area
4. South Biliran – Kalambis Thermal Area
Adjacent Volcanic Edifice:
1. Panamao (107 m asl)
2. Gumansan (1064 m asl)
3. Lauan (1187 m asl)
4. Suiro (1301 m asl)

Active volcanoes

Luzon	Babuyan Claro Banahaw Binuluan Bulusan Cagua Camiguin de Babuyanes Didicas Iraya Iriga Laguna Volcanic Field Mayon Pinatubo Smith Taal
Visayas	Biliran Cabalian Kanlaon
Mindanao	Hibok-Hibok Jolo Group Leonard Kniaseff Makaturing Matutum Musuan Parker Ragang

Potentially active volcanoes

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