Phivolcs: ‘crater glow’ detected at Mayon Volcano, alert level 2 remains

Aileen Cerrudo

The Philippine Institute of Volcanology and Seismology (Phivolcs) has detected ‘crater glow’ at Mayon Volcano and reiterated that alert level 2 or “moderate level of unrest” still remains.

Phivolcs said the crater glow has been observed over the past few days which indicates there is still “remnant magma” from its last explosion in 2018.

“This suggests the possibility that remnant magma may be quietly rising to the shallow levels of the edifice,” according to Phivolcs 4:00 p.m. advisory.

Phivolcs also reminded the public that it is prohibited to enter areas covered by the 6-kilometer radius permanent danger zone and the precautionary 7-km radius extended danger zone. 

“Sudden explosions, lava collapse, pyroclastic density currents or PDCs, and ashfall can occur without warning and threaten areas in the upper to middle slopes of Mayon,” according to the Phivolcs advisory. 

“People residing close to these danger areas are also advised to observe precautions against rockfalls, PDCs, and ashfall,” it reads.—AAC

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