The Philippine Institute of Volcanology and Seismology raised the status of Kanlaon Volcano on Negros Island to Alert Level 3 after its explosive eruption on December 9.

An increase in seismic activity was observed in Bulusan Volcano in Sorsogon province, the Philippine Institute of Volcanology ...

Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what quietly falls from the sky.