Kanlaon emits over 1,000 tons of sulfur dioxide 鈥� Phivolcs
Graphic image created by the Philippine Institute of Volcanology and Seismology shows the location of 22 volcanic quakes recorded in the past 24 hours on May 28, 2025. — Photo from Phivolcs/Facebook
MANILA, Philippines — Alert level 3 remains hoisted over the Kanlaon Volcano in Negros Island as it released 1,044 tons of sulfur dioxide in the past 24 hours, according to the state seismology bureau.
Alert Level 3 indicates a high level of volcanic unrest, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.
In its latest 24-hour monitoring report on Wednesday, Phivolcs also logged 22 volcanic earthquakes, which is lower than the recorded 31 volcanic quakes on Tuesday’s monitoring.
READ: Kanlaon rocked by 31 volcanic earthquakes in 24 hours – Phivolcs
The latest report likewise showed that the volcano generated a weak 75-meter-high plume, which was drifting northwestward.
Phivolcs also noted continuous degassing in Kanlaon, as its edifice likewise remains inflated.
The agency warned the public of potential volcanic hazards, such as:
- Sudden explosive eruptions
- Lava flows or effusions
- Ashfall
- Pyroclastic density currents
- Rockfalls
- Lahars during heavy rainfall
READ: What happens after Kanlaon Volcano eruption? Phivolcs gives 3 scenarios
Phivolcs said that residents within a six-kilometer radius of Kanlaon should evacuate from its summit. Flying any aircraft close to the volcano is also prohibited.
The alert status of the volcano was first raised to Alert Level 3 in December 2024 following its eruption. /das
