Biliran (volcano)
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.
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
- Monitoring activity: Short-term monitoring in 1954