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00 volcano icon for bulletin  In the past 24-hour period, the Taal Volcano Network recorded forty-nine (49) volcanic earthquakes, including forty-five (45) volcanic tremor events having durations of two (2) to thirty-two (32) minutes, three (3) low-frequency volcanic earthquakes, and one (1) hybrid event. Activity at the Main Crater was dominated by upwelling of hot volcanic fluids in its lake which generated plumes 2,400 meters tall that drifted west-southwest. Sulfur dioxide (SO2) emission averaged 15,306 tonnes/day on 11 March 2022. Temperature highs of 63.7°C were last measured from the Main Crater Lake on 25 February 2022. Based on ground deformation parameters from electronic tilt, continuous GPS and InSAR monitoring, Taal Volcano Island and the Taal region has begun deflating in October 2021.

 

Alert Level 2 (Increased Unrest) prevails over Taal Volcano. DOST-PHIVOLCS reminds the public that at Alert Level 2, sudden steam- or gas-driven explosions, volcanic earthquakes, minor ashfall, and lethal accumulations or expulsions of volcanic gas can occur and threaten areas within and around TVI. DOST-PHIVOLCS strongly recommends that entry into Taal Volcano Island, Taal’s Permanent Danger Zone or PDZ must be strictly prohibited, especially the vicinities of the Main Crater and the Daang Kastila fissure, and extended stays on Taal Lake. Local government officials are advised to continuously assess and strengthen the preparedness of previously evacuated barangays around Taal Lake in case of renewed unrest. Civil aviation authorities must advise pilots to avoid flying close to the volcano as airborne ash and ballistic fragments from sudden explosions and wind-remobilized ash may pose hazards to aircraft. DOST-PHIVOLCS is closely monitoring Taal Volcano’s activity and any new significant development will be immediately communicated to all stakeholders.

 

DOST-PHIVOLCS