(Eagle News)–Nine 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, was sulfur dioxide emission, which was measured at an average of 656 tons  on  October 13. A slight inflation of the lower and mid slopes since June 2020, and an inflation on the lower to mid slopes that began on  June 21 “may indicate hydrothermal […]