MANILA, Dec. 8 (Xinhua) — The Philippine Institute of Volcanology and Seismology (Phivolcs) on Friday lowered the alert level of Mayon Volcano in Albay province to level 2, which means the volcano is now in a “moderate level of unrest.”
The downgrade came almost six months after it was raised to level 3 in a five-step warning system on June 8 due to an increased tendency towards a hazardous eruption.
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