(Eagle News) — One volcanic earthquake was 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, sulfur dioxide emission was also measured at an average of 476 tons on December 17. PHIVOLCS said a slight inflation of the lower and middle slopes since June 2020, an inflation of the western middle slopes this November, and an inflation on the lower […]