MANILA, Philippines — The Philippine Institute of Volcanology and Seismology (Phivolcs) on Wednesday said increased seismic activity has been recorded at Bulusan Volcano in Sorsogon. Phivolcs issued the advisory after a total of 101 volcano-tectonic (VT) earthquakes were recorded in Bulusan since 4:50 a.m. on Wednesday. According to Phivolcs, these VT events were generated by
