LEGAZPI CITY — An increase in the number of earthquakes at Mount Bulusan in Sorsogon province was reported by the Philippine Institute of Volcanology and Seismology (Phivolcs) on Tuesday ...
The Philippine Institute of Volcanology and Seismology (Phivolcs) on Wednesday observed an increase in activities in Taal Volcano in Batangas province and Mount Bulusan in Sorsogon province.