Tag: alert level of Mayon

12 rockfall events, sulfur dioxide emission monitored at Mayon but no magmatic eruption imminent: PHIVOLCS

(Eagle News)–Twelve rockfall events were monitored at Mayon 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. The sulfur dioxide emission was last measured below baseline average at 436 tons on  October 29. PHIVOLCS said an inflation of the lower to middle slopes since July 2019, and “non-steady inflation” from late 2019 to mid-2020 followed by a short-term […]

2 volcanic quakes, 2 rockfall events, sulfur dioxide and steam emissions monitored at Mayon but no magmatic eruption imminent

(Eagle News)–Two volcanic earthquakes were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said apart from the earthquakes, two rockfall events, and steam and sulfur dioxide emissions were monitored at the volcano, which remains on alert level 1. PHIVOLCS said the  emission of white steam-laden plumes that crept downslope  was moderate. Sulfur dioxide emission was below baseline average, at 436 tons, on  October 29. PHIVOLCS said  overall, the “Mayon edifice […]