Biliran (volcano)

Biliran
Elevation	1,301 m (4,268 ft)
Location
Location	Visayas, Philippines
Coordinates	11°31′23″N 124°32′06″E / 11.523°N 124.535°E / 11.523; 124.535
Geology
Type	Complex volcano
Last eruption	1939

Biliran Island

NASA Landsat image of Biliran.
Biliran (volcano) (Philippines)
Geography
Location	South East Asia
Coordinates	11°31′23″N 124°32′06″E / 11.523°N 124.535°E / 11.523; 124.535
Archipelago	Visayas
Major islands	Bohol, Cebu, Leyte, Masbate, Negros, Panay, Samar
Area	555.4 km2 (214.44 sq mi)
Highest elevation	1,301 m (4,268 ft)
Country
Philippines
Municipality/Town	Almeria, Biliran, Cabucgayan, Caibiran, Culaba, Kawayan, Maripipi, Naval
Largest city	Naval (pop. 37,974)
Demographics
Population	140,274 (as of 2000)
Density	253 /km2 (655 /sq mi)
Ethnic groups	Visayan, (Cebuano, Waray)

This article is about the volcanic island. For the municipality, see Biliran (municipality). For the province, see Biliran (province).

Biliran is a volcanic island in the central Philippines. It is one of the active volcanoes in the Philippines.

• Classification: Active
• Current Summit Activities: Solfataric
• Province: Biliran Region VIII
• Nearby Cities/Towns:

1. Kawayan, Biliran
2. Almeria, Biliran
3. Culaba, Biliran
4. Maripipi, Biliran
5. Naval, Biliran
6. Caibiran, Biliran
7. Biliran, Biliran
8. Cabucgayan, Biliran

• Topo Sheets: 3854 I, 3855 II, 3955 III, 3854 II, 3954 III

Physical features

• 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)

Geological features

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

Volcanic activity

• 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

See also

• Active volcanos in the Philippines
• Potentially active volcanos in the Philippines
• Inactive volcanos in the Philippines
• Philippine Institute of Volcanology and Seismology
• Volcano

References

• "Biliran". Global Volcanism Program, Smithsonian Institution. http://www.volcano.si.edu/world/volcano.cfm?vnum=0702-08=. 
• Philippine Institute of Volcanology and Seismology (PHIVOLCS) Biliran Page

External links

• BiliranIsland.com