LUCENA CITY, Quezon – Taal Volcano in Batangas province has shown a sharp increase in sulfur dioxide (SO2) emissions, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Thursday. In its daily morning bulletin, Phivolcs said the volcano released a “voluminous emission” of 4,159 metric tons (MT) of SO2 from its main crater over
