At least 23 volcanic earthquakes including one volcanic tremor that lasted seven minutes long were recorded on Kanlaon Volcano in Negros Island within a 24-hour observation period on Tuesday, April 1, 2025.
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) recorded an ash emission that has generated voluminous 1,500-meter-tall plumes that drifted west.
Sulfur dioxide flux was recorded at 2,758 tons a day, as of March 31, 2025.
The 24-hour observation was done from 12 a.m. on March 31, 2025 to 12 a.m. of April 1, 2025.
Alert Level 3 (intensified unrest/magmatic unrest) remains on Kanlaon Volcano, PHIVOLCS added.
