(Eagle News) — Over 100 earthquakes were monitored at Taal in 24 hours. The Philippine Institute of Volcanology and Seismology said the 169 quakes at the volcano, which remains on alert level 2, included 30 low-frequency volcanic earthquakes and 139 volcanic tremor events with durations of two to 20 minutes. It also included low-level background tremor that has persisted since April 8. According to PHIVOLCS, an upwelling of hot volcanic fluids and sulfur dioxide emission […]