LEGAZPI CITY – The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported a noticeable increase in seismic energy release at Mayon Volcano over the past 24 hours (as of January 11, 2026, 8:00 a.m.), indicating heightened unrest despite no major eruption occurring.
According to the latest bulletin, the volcano remains at Alert Level 2 (increasing unrest), with the following key observations:
24-Hour Monitoring Highlights (January 10–11, 2026)
- Volcanic Earthquakes: 18 low-frequency volcanic earthquakes (LFVQs) — higher than the previous day’s count.
- Tremor Duration: Continuous volcanic tremor with total duration exceeding 10 hours, showing persistent low-level magma or hydrothermal activity.
- Rockfall Events: More frequent small rockfalls and incandescent avalanches in the upper slopes (Mabinit and Bonga gullies).
- Plume Emissions: Moderate white steam-laden plumes reaching 500–1,000 meters height, drifting southwest.
- Sulfur Dioxide (SO₂) Flux: Elevated at ~1,500–2,000 tonnes per day — stable but above baseline levels.
- Ground Deformation: Continued slight inflation of the edifice (measured via precise leveling and satellite data).
PHIVOLCS emphasized that while no magmatic eruption is imminent, the risk of sudden phreatic (steam-driven) explosions, rockfalls, and pyroclastic density currents (PDCs) remains high within the 6-kilometer Permanent Danger Zone (PDZ).
Safety Reminders
- Strict prohibition: Entry into the 6-km PDZ.
- High-risk zones: Barangays in Guinobatan, Camalig, Daraga, Legazpi City, and Tabaco City.
- Authorities: DILG and LGUs continue enforcing evacuations; residents should prepare for possible escalation to Alert Level 3.
- Aviation: No-fly zone remains in effect within 10 km of the crater.
The increased seismic energy release is a reminder that Mayon is still restless. PHIVOLCS maintains 24/7 monitoring and will issue updates if activity escalates.
Here are recent visuals of Mayon’s activity — steam plumes, rockfalls, and monitoring instruments.
Stay safe, Albay — follow official PHIVOLCS and local DRRMO advisories only!