(Eagle News) — Four volcanic earthquakes were monitored at Kanlaon in 24 hours. The Philippine Institute of Volcanology and Seismology said also monitored at the volcano, which remains on alert level 1, were steam and sulfur dioxide emissions. PHIVOLCS said the emission of white steam-laden plumes was weak. Sulfur dioxide (SO2) emission was measured at an average of 336 tons on Nov. 24. PHIVOLCS said a slight inflation of the lower and mid slopes since […]