Bulusan Volcano in Sorsogon Shows Signs of Increased Seismic Activity The Bulusan Volcano in Sorsogon has entered a phase of heightened seismic activity, according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS). In its latest advisory, PHIVOLCS noted a notable uptick in volcanic earthquakes recorded by the Bulusan Volcano Network, signaling ongoing adjustments beneath…