Technology & Science
Mayon Lava-Flow Collapse Spurs Alert-3, Aviation Lockdown, and 7-km Evacuation Talks
After a 2 May 2026 collapse of Mayon’s active lava front triggered pyroclastic density currents and blanket ashfall, PHIVOLCS kept Alert Level 3, the aviation regulator closed the 6-km airspace, 4–5 thousand residents were moved to shelters, and officials are weighing an expansion of the ground danger zone from 6 km to 7 km.
Focusing Facts
- Lava streams now reach 3.8 km (Basud Gully), 3.2 km (Bonga), and 1.6 km (Mi-isi) per PHIVOLCS 03 May 2026 bulletin.
- NOTAM B1875/26 issued 3 May 2026 bars aircraft from the surface to 11,000 ft within a 6 km radius of the cone.
- 100 barangays and roughly 200,000 people reported ashfall impacts; about 4,000–5,000 evacuees are in temporary centres.
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Perspectives in this article
- Philippine mainstream media
- International wire-service and foreign news outlets
- Aviation and sector-specific advisories