At least 30 volcanic earthquakes, including seven volcanic tremors, that spanned from six to 28 minutes long were recorded on Mount Kanlaon in Negros Island, according to an advisory of the Philippine Institute of Volcanology and Seismology (PHIVOLCS) at 12 a.m. on Monday, January 27, 2025.
Eight ash emission events that lasted from six to 46 minutes long were also recorded.
Sulfur dioxide flux was measured at 2,964 tons a day on January 26, 2025; while a 750-meter-tall plume was observed with the continuous degassing of the volcano.
The plume drifted southwest and west sides of the volcano.
The volcano edifice is inflated, PHIVOLCS further stated.
Alert Level 3 (intensified unrest/magmatic unrest) prevails over Kanlaon Volcano.
