Inquirer
Kanlaon Volcano spews ash thrice, showing increased activity
Kanlaon Volcano in Negros Island released ash three times on Monday, October 20, 2025, prompting the Philippine Institute of Volcanology and Seismology (PHIVOLCS) to maintain Alert Level 2.
The first ash emission was observed from 7:28 a.m. to 7:38 a.m., with plumes rising 300 meters and drifting west.
A second emission occurred from 9:20 a.m. to 10:54 a.m., also producing 300-meter plumes that drifted west-northwest.
The final emission lasted from 4:56 p.m. to 6:59 p.m., with plumes reaching 450 meters and drifting westward.
PHIVOLCS also recorded 25 volcanic earthquakes on Monday.
Alert Level 2 signifies increased unrest at the volcano, with the possibility of sudden steam-driven or phreatic eruptions.
The public is reminded that entry into the four-kilometer Permanent Danger Zone (PDZ) around Kanlaon Volcano is prohibited, and flying aircraft close to the volcano is also not allowed.
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Kanlaon Volcano in Negros Island spewed ash twice within a 24-hour period, with plumes reaching up to 250 meters high before drifting west-southwest.
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Kanlaon Volcano in Negros Island exhibited ash emission twice on Wednesday morning, prompting the Philippine Institute of Volcanology and Seismology (PHIVOLCS) to maintain Alert Level 2.
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A total of 81 volcano-tectonic earthquakes were recorded at Kanlaon Volcano in just 10 hours, ranging from magnitude 0.1 to 2.9 and detected at depths of 0 to 6 kilometers.
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