MANILA, Philippines — Kanlaon Volcano on Negros Island emitted 2,626 tons of sulfur dioxide over the past 24 hours, marking a significant increase from the 870 tons recorded the previous day, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Thursday. In its latest 24-hour monitoring report, Phivolcs said the volcano produced a moderate plume
