Pagasa observes 400-m Mayon lava flow

Lava flows from the crater of Mayon volcano seen from Legazpi City, Albay province, on Sept. 17, 2014. AFP FILE PHOTO/CHARISM SAYAT

MANILA, Philippines—A lava flow on Mayon Volcano, which happened on Sunday, was seen to etch its side 300 meters to 400 meters downhill, the volcanology institute said Tuesday.

In perspective, a 300-meter to 400-meter track is approximately as long as four football pitches or 14 basketball courts.

In its Mayon bulletin, the Philippine Institute of Volcanology and Seismology (Phivolcs) said the lava flow happened on Sunday but was investigated through an aerial survey on Monday.

Mayon recorded four volcanic earthquakes from 8 a.m. Monday0 to 8 a.m. Tuesday with three rockfall events.

Moderate emission of white steam plumes drifting southwest and west-northwest was also observed.

Also, Phivolcs observed a faint crater glow at the volcano’s peak Monday evening.

Sulfur dioxide flux was recorded at 272 metric tons per day on Monday.

Mayon Volcano remains on alert level 3.

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