Amid successive quakes in different parts of the country, the Philippine Institute of Volcanology and Seismology (Phivolcs) ...
THE Philippine Institute of Volcanology and Seismology (Phivolcs) has recorded an increase in seismic activity at the Bulusan ...
Bulusan Volcano in Sorsogon has showed signs of increased seismic activity, the Philippine Institute of Volcanology and ...
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