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Mayon Volcano Lava Flow Collapse Triggers Hot Gas and Debris Surge

Fast-moving pyroclastic density current observed following lava flow collapse.

MD

Mateo Dela Cruz

May 5, 20263 min read158 views
Mayon Volcano Lava Flow Collapse Triggers Hot Gas and Debris Surge
Lava flow collapse at Mayon Volcano generates hazardous pyroclastic current.
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A significant collapse of lava flow at Mayon Volcano in Albay led to the generation of a pyroclastic density current (PDC) early Tuesday morning, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

This event occurred between 7:19 a.m. and 7:26 a.m. on May 5, 2026, resulting in a swift movement of hot ash, gas, and volcanic debris down the volcano's southwestern slopes.

Phivolcs classified the PDC as a dangerous surge of intensely hot materials that can travel rapidly and pose severe risks to nearby areas.

Ongoing Eruptive Activity

Since the weekend, Mayon has experienced a strombolian eruption, characterized by short bursts of lava and gas. This has led to continuous pyroclastic flows and heavy ashfall affecting local communities in Albay.

As of Monday morning, a total of 102,406 individuals have been impacted by the ongoing eruptions.

Office of Civil Defense

Phivolcs has maintained Alert Level 3 for Mayon Volcano, indicating significant magmatic unrest and a heightened risk of further hazardous eruptions.

Authorities have reiterated the prohibition of entry into the 6-kilometer Permanent Danger Zone due to the risk of sudden explosive activity, lava flows, rockfalls, and pyroclastic density currents.