18/12/2025
KANLAON VOLCANO BULLETIN
Date/Time: 19 December 2025, 05:00 AM
Alert Level: 2 (Increased Unrest)
Source: DOST-PHIVOLCS
SEISMICITY: 3 volcanic earthquakes
SULFUR DIOXIDE FLUX: 1787 tonnes / day (18 December 2025)
PLUME: Obscured
GROUND DEFORMATION: Volcano edifice is inflated
SHOULD NOT BE ALLOWED: Entry into 4-kilometer radius Permanent Danger Zone (PDZ)
Flying any aircraft close to the volcano
REMINDER: Possible hazards that can occur:
sudden steam-driven or phreatic eruptions
precursory magmatic activity