Mayon’s 24-hour zero quakes: Just rockfalls, sulfur dioxide flux noted by Phivolcs | Inquirer News

Mayon’s 24-hour zero quakes: Just rockfalls, sulfur dioxide flux noted by Phivolcs

/ 08:41 AM June 19, 2023

Phivolcs: No volcanic earthquakes in Mayon Volcano for 24 hours

View of Mayon Volcano taken from Daraga, Albay on Thursday, June 15, 2023. | PHOTO: / Ram Nabong

MANILA, Philippines — State volcanologists on Monday said no volcanic earthquakes occurred in Mayon Volcano from 5:00 a.m. on June 18 to 5:00 a.m. on June 19.

It was an improvement from the previous period after three volcanic tremors had been observed from Mayon, the Philippine Institute of Volcanology and Seismology (Phivolcs) said Monday.


It also logged 265 rockfall events and 889 metric tons of sulfur dioxide flux in the volcano during the 24-hour observation period.


Mayon’s “very slow effusion of lava flow” with maximum lengths of 1.5 kilometers and lava collapse on Mi-isi and Bonga gullies within 3.3 kilometers from the crater was also observed by Phivolcs.

Since June 8, Mayon is on Alert Level 3 due to “potential explosive activity happening within days or weeks.”

According to Phivolcs, Mayon’s unrest could last for a few months based on their observations.


A week of unrest as Mayon continues to spew lava, debris
Mayon lava flow slowly advances, Alert Level 3 stays – Phivolcs
Mayon unleashes biggest pyroclastic flow since June 8 – Phivolcs

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TAGS: Bicol, Explosion, Mayon, Volcano

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