(Eagle News) — Seven volcanic earthquakes were monitored at Kanlaon in 24 hours. In an advisory hours after the Philippine Institute of Volcanology and Seismology said the volcano was in a restive state, PHIVOLCS said also monitored at Kanlaon were steam and sulfur dioxide emissions. PHIVOLCS said steam emission was moderate, while sulfur dioxide (SO2) emission was measured at an average of 1130 tons on February 13. It said a slight inflation of the lower […]