BULUSAN VOLCANO

Summary of 24Hr Observation

(from 12AM yesterday to 12AM today)

Date: 17 August 2026

(Low-level unrest)

ALERT LEVEL

1

Date: 17 August 2026

ALERT LEVEL

(Low-level unrest)

1

PARAMETERS

antas ng tubig

Seismicity

15 volcanic earthquakes

SO2

Sulfur Dioxide Flux

162 tonnes / day (16 August 2026)

Plume
Plume

Obscured

ground deformation
Ground Deformation

Short-term inflation of the edifice

static map
Earthquake Location:
Past 24 hours
Past 2 weeks
Earthquake Location:
Past 24 hours
Past 2 weeks
Total no. of volcanic earthquake: 15 Total no. w/ enough record for location: 0

RECOMMENDATION/COMMENT

Should not be allowed

  • Entry into 4 km-radius Permanent Danger Zone (PDZ) and entry without vigilance into the Extended Danger Zone (EDZ)
  • Flying any aircraft close to the volcano

Reminder

Possible hazards that can occur:

  • sudden steam-driven or phreatic eruptions
Location of Bulusan Volcano: Province of Sorsogon
Additional information on the website: