Bulusan Volcano shook; Philippines monitors increased seismic activity

Bulusan Volcano in the Philippines experienced 167 volcanic earthquakes in the past 24 hours, prompting continued monitoring by authorities. The Philippine Institute of Volcanology and Seismology (Phivolcs) reported the increased seismic activity, up from 14 quakes the previous day, alongside observed emissions and edifice inflation. The volcano remains at Alert Level 1. Phivolcs maintains a warning against entering the four-kilometer permanent danger zone due to potential phreatic eruptions, while sulfur dioxide emissions were last measured at 163 tons on June 9.