LUCENA CITY – Taal Volcano’s sulfur dioxide (SO₂) emissions slightly increased even as its seismic activity remained generally quiet, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Friday. In its latest 24-hour monitoring report, Phivolcs said Taal emitted 448 tons of sulfur dioxide on Thursday, more than the average daily emission rate of
