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Manila Bulletin devider Philippines devider National devider Phivolcs: Minor ash emission recorded at Kanlaon on Nov. 21

Phivolcs: Minor ash emission recorded at Kanlaon on Nov. 21

Published Nov 21, 2025 09:06 am
Time-lapse imagery from the Kanlaon Volcano Observatory–Canlaon City IP camera shows grayish ash plumes rising from the summit crater during the brief emission on Friday morning, Nov. 21, 2025. (Screenshot/Phivolcs Facebook)
Time-lapse imagery from the Kanlaon Volcano Observatory–Canlaon City IP camera shows grayish ash plumes rising from the summit crater during the brief emission on Friday morning, Nov. 21, 2025. (Screenshot/Phivolcs Facebook)
A minor ash emission was observed at Kanlaon Volcano on Friday morning, Nov. 21, with the activity lasting for about eight minutes before ceasing at 7:20 a.m., the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.
Phivolcs said the ash emission began at 7:12 a.m., producing grayish plumes that rose around 75 meters above the summit crater before drifting west-southwest, based on time-lapse footage from the Kanlaon Volcano Observatory–Canlaon City IP camera.
Kanlaon has been intermittently emitting ash over the past few weeks.
Phivolcs reminded the public that Alert Level 2 remains in effect, indicating “moderate unrest” and warning that sudden steam-driven or phreatic eruptions may occur at any time.
Residents and visitors were advised to stay outside the four-kilometer permanent danger zone due to the risk of sudden explosions, pyroclastic density currents, rockfalls, and exposure to harmful volcanic gases.
Local government units were urged to maintain preparedness for possible evacuation scenarios, while civil aviation authorities were advised to avoid flying close to the volcano’s summit due to potential ash that could pose hazards to aircraft.
Phivolcs also warned that heavy rainfall could trigger lahars or sediment-laden streamflows in rivers and drainages surrounding the volcano.
Kanlaon Volcano, one of the country’s most active, straddles the provinces of Negros Occidental and Negros Oriental on Negros Island.

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PHIVOLCS KANLAON VOLCANO ALERT LEVEL 2
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