Mayon sustains high level of unrest

Mayon Volcano in Albay has showed a sustained high level of unrest in the past seven days, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

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From Oct. 24 to yesterday, state volcanologists recorded 569 volcanic earthquakes or a daily average of 81.3; 647 tremors, or 91.9 per day; 1,077 rockfall events, or 153.85/day; 113 pyroclastic density currents, or 16.14/day, and 6,505 tons of sulfur dioxide emissions, or 929 tons per day.