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# 8.7 PHILIPPINE VOLCANOES The Philippines is an archipelago of more than 7100 islands, most of which are of volcanic origin. There are about 390 volcanoes in the Philippines, with 23 still active. Scientists believe that eruptions from the other volcanoes are unlikely. Notable volcanoes include...

# 8.7 PHILIPPINE VOLCANOES The Philippines is an archipelago of more than 7100 islands, most of which are of volcanic origin. There are about 390 volcanoes in the Philippines, with 23 still active. Scientists believe that eruptions from the other volcanoes are unlikely. Notable volcanoes include Mount Pinatubo, Mount Mayon, and Taal Volcano, all located on Luzon Island. The Philippines is part of the Pacific Ring of Fire. The oceanic Philippine plate and several smaller microplates are subducting along the Philippine Trench, along with trenches in the East, Luzon, Sulu, and other western areas. The Philippines' tectonic setting features many small plates squeezed between two convergent plate margins, separated by smaller subduction zones and major transform faults. Volcanoes in the Philippines form at the juncture of the Philippine and Eurasian plates. The Philippines' volcanoes are among the most deadly and costly globally. About 13% of historic eruptions have caused fatalities, with Taal, Mayon, and Pinatubo being particularly notable. 22% of eruptions have caused significant damage. Lahars (mudflows) are common due to frequent heavy rains, and tsunamis often accompany eruptions more frequently than in other volcanic regions. PHIVOLCS (Philippine Institute of Volcanology and Seismology) monitors the impact and damage of volcanic activity in the archipelago.