Flights near Mayon Volcano still restricted
Sulfur dioxide emissions were measured at 307 tons per day on 10 December, with moderate plumes drifting west-northwest and west-southwest.
The Civil Aviation Authority of the Philippines (CAAP) extended an aviation safety advisory Sunday, maintaining flight restrictions near Mayon Volcano in Albay province due to ongoing low-level unrest.
The extended Notice to Airmen (NOTAM) is in effect from 7:47 a.m., Sunday until 9 a.m., Monday, covering airspace from the surface up to 11,000 feet. The aviation authority has been extending advisories since 10 December.
Flight operators are advised to avoid flying aircraft close to the volcano.
Mayon remains under Alert Level 1, indicating low-level unrest. The Philippine Institute of Volcanology and Seismology (Phivolcs) 24-hour bulletin for 14 December recorded one volcanic earthquake and eight rockfall events.
Sulfur dioxide emissions were measured at 307 tons per day on 10 December, with moderate plumes drifting west-northwest and west-southwest. Phivolcs noted that the volcano’s edifice remains inflated.
Residents near the area are warned of potential hazards, including sudden steam-driven or phreatic eruptions, rock falls or landslides and lahar flows during heavy or prolonged rains.