Mayon records 2nd-highest sulfur dioxide emission since July

MANILA, Philippines — Mayon Volcano recorded its second-highest sulfur dioxide (SO2) emission since volcanic gas concentrations began declining in July, prompting state seismologists on Friday to warn of the possibility of renewed eruptive unrest. In an advisory, the Philippine Institute of Volcanology and Seismology (Phivolcs) said SO2 emissions from Mayon’s summit crater reached 8,165 tonnes