LUCENA CITY, QUEZON, Philippines — Taal Volcano in Batangas province emitted lower levels of sulfur dioxide (SO₂) but continued to show signs of unrest, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Wednesday, May 6. In its bulletin, Phivolcs said sulfur dioxide emissions from the main crater dropped to 308 metric tons over
