Phivolcs records more rockfalls, lava dome collapses from erupting Mayon Volcano

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The effusive eruption of Mayon Volcano resulted in more rockfalls and lava dome collapses between Thursday, June 22, and Friday, June 23, data from the Philippine Institute of Volcanology and Seismology (Phivolcs) showed. ManilaBulletin READ:

Phivolcs defines effusive or “quiet” eruption as the outpouring of lava onto the ground, as opposed to explosive eruption, which is characterized by violent magma fragmentation.

“Very slow effusion of lava from the summit crater of Mayon Volcano continued to feed lava flows and collapse debris on the Mi-isi and Bonga gullies. The lava flows have advanced to maximum lengths of 2,500 meters and 1,800 meters along Mi-isi and Bonga gullies, respectively, from the summit crater while collapse debris have deposited to 3,300 meters from the crater,” Phivolcs said in a bulletin issued on Friday.

The restive Mayon Volcano spews steam-laden plumes visible from Sumlang Lake in Camalig and Legazpi City Albay on June 16, 2023. Phivolcs said that Mayon’s current state could last for a few months and its alert level 3 status could be maintained. The evacuation of residents within the six-kilometer permanent danger zone has been recommended due to the risk of PDCs, lava flows, rockfalls, and other volcanic hazards.

 

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