MAYON VOLCANO

Summary of 24Hr Observation

(from 12AM yesterday to 12AM today)

Date: 30 June 2026

(Intensified Unrest / Magmatic Unrest)

ALERT LEVEL

3

Date: 30 June 2026

ALERT LEVEL

(Intensified Unrest / Magmatic Unrest)

3

PARAMETERS

antas ng tubig

Eruption

Lava effusion w/ lava flow on Basud (3.8 km), Bonga (3.2 km), and Mi-isi (1.8 km) gullies

antas ng tubig

Seismicity

20 volcanic earthquakes including 6 volcanic tremors (5-20 minutes long); 211 rockfalls and 1 pyroclastic density current signal

Banaag
Crater glow

Fair (naked eye)

SO2

Sulfur Dioxide Flux

1446 tonnes / day (28 June 2026)

Plume
Plume

500 meters above the crater; moderate emission; west-southwest and southwest drift

ground deformation
Ground Deformation

Short-term deflation of the edifice with shorter-term inflation on the northeastern flank

static map
Earthquake Location:
Past 24 hours
Past 2 weeks
Earthquake Location:
Past 24 hours
Past 2 weeks
Total no. of volcanic earthquake: 20 Total no. w/ enough record for location: 0

RECOMMENDATION/COMMENT

Should not be allowed

  • Entry into 6-kilometer radius Permanent Danger Zone (PDZ)
  • Flying any aircraft close to the volcano

Reminder

Possible hazards that can occur:

  • Rockfalls or landslides or avalanches
  • Ballistic fragments
  • Lava flows and lava fountaining
  • Pyroclastic density currents
  • Moderate-sized explosions
  • Lahars during heavy and prolonged rainfall
Location of Mayon Volcano: Province of Albay
Additional information on the website: