(Eagle News) — Steam and sulfur dioxide emissions have been monitored at Mayon. The Philippine Institute of Volcanology and Seismology said the emission of white steam-laden plumes from the volcano, which remains on alert level 1, was monitored in 24 hours and was moderate. Sulfur dioxide emission was last measured at an average of 634 tons on January 27. Both inflation and deflation were monitored along different sectors of the volcano, while a faint crater […]