Upwelling of hot volcanic fluids causing vog also detected, PHIVOLCS says (Eagle News) — Seventeen volcanic earthquakes were monitored in Taal in the last 24 hours. According to the Philippine Institute of Volcanology and Seismology, the earthquakes included 15 tremors (2-15 minutes long) plus a weak background tremor. Sulfur dioxide flux was pegged at 3802 tons per day as of Aug 15. An upwelling of hot volcanic fluids in the main crater lake was also […]