Mayon Volcano in Albay, Philippines, has continued its effusive eruption for the 19th consecutive day, with a notable crater glow observed Sunday night, according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS).
Mayon Volcano Eruption Update
PHIVOLCS reported that a notable crater glow, caused by superheated volcanic gas, was photographed from the Mayon Volcano Observatory between 6:20 PM and 6:22 PM on January 25, 2026 (PST).
As of Sunday morning, lava flow and crater glow were observed from the volcano. State seismologists logged one volcanic earthquake, one ongoing tremor, 253 rockfall events, and 44 pyroclastic density currents (PDCs), also known as “uson.”
Moderate plumes rose up to 600 meters above the crater and drifted in the southwest and northeast directions. The volcano emitted 2,327 tons of sulfur dioxide flux each day.
On Saturday night, lava flow from the volcano’s summit crater reached an approximate distance of 1.3 to 3.2 kilometers downslope of the Mi-isi, Bonga, and Basud Gullies.
PHIVOLCS conducted visual observations of the lava flow and PDCs on Sunday afternoon to measure the run-out distance of the lava flows and PDCs. A spring discharge survey was also conducted around the volcano, with variations in discharge potentially providing insights into subsurface processes and ground deformation.
Regular repair and preventive maintenance of the Mayon Volcano Network (MVN) is ongoing to ensure continuous uptime and reliable data transmission from remote monitoring stations to the Mayon Volcano Observatory.
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