Mount Biliran is a solfataric active complex volcano located in the island province of Biliran in the Philippines. The volcano caused the formation of the island.
Contents
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
Physical features
Hotsprings:
Central Biliran – Libtong Thermal Areas (12 hot springs and one bubbling pool)
North Biliran – Panamao Thermal Area
Anas Thermal Area
South Biliran – Kalambis Thermal Area
Adjacent Volcanic Edifice:
Panamao (107 m asl)
Gumansan (1064 m asl)
Lauan (1187 m asl)
Suiro (1301 m asl)