(Eagle News)–Steam and sulfur dioxide  emissions were  monitored at Mayon in 24 hours. No volcanic quake was monitored at the volcano, which remains on alert level 1, the Philippine Institute of Volcanology and Seismology said. According to PHIVOLCS, the steam-laden plumes  downslope were moderate. Sulfur dioxide  emission was last measured at an average of 143 tons  on  October 10. A slight inflation of the edifice and inflation of the lower to middle slopes since July […]