In the past 24-hour period, the Taal Volcano Network recorded fifty-six (56) volcanic earthquakes, including thirty-five (35) volcanic tremors having durations of one (1) minute to eighteen (18) minutes, twenty-one (21) low frequency volcanic earthquakes, and low-level background tremor that started at 9:05 AM on 08 April 2021.
Activity at the Main Crater consisted of weak emission of steam-laden plumes from fumaroles or gas vents that rose to ten (10) meters. Sulfur dioxide (SO2) emission averaged 701 tonnes/day on 25 April 2021. Temperature highs of 71.8°C and pH of 1.59 were last measured from the Main Crater Lake respectively on 04 March and 12 February 2021.
Ground deformation parameters from electronic tilt, continuous GPS and InSAR monitoring continue to record a very slow and steady inflation and expansion of the Taal region that began after the January 2020 eruption.
These parameters indicate persistent magmatic activity at shallow depths beneath the edifice.In the past 24-hour period, the Taal Volcano Network recorded fifty-six (56) volcanic earthquakes, including thirty-five (35) volcanic tremors having durations of one (1) minute to eighteen (18) minutes, twenty-one (21) low frequency volcanic earthquakes, and low-level background tremor that started at 9:05 AM on 08 April 2021.
Activity at the Main Crater consisted of weak emission of steam-laden plumes from fumaroles or gas vents that rose to ten (10) meters. Sulfur dioxide (SO2) emission averaged 701 tonnes/day on 25 April 2021.
Taal Volcano Network records 56 volcanic earthquakes: Phivolcs
Temperature highs of 71.8°C and pH of 1.59 were last measured from the Main Crater Lake respectively on 04 March and 12 February 2021. Ground deformation parameters from electronic tilt, continuous GPS and InSAR monitoring continue to record a very slow and steady inflation and expansion of the Taal region that began after the January 2020 eruption.
These parameters indicate persistent magmatic activity at shallow depths beneath the edifice.
Alert Level 2 (Increased Unrest) is currently maintained over Taal Volcano. DOST-PHIVOLCS reminds the public that at Alert Level 2, sudden steam-driven or phreatic 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 must be strictly prohibited into Taal Volcano Island, Taal’s Permanent Danger Zone or PDZ, especially the vicinities of the Main Crater and the Daang Kastila fissure, and occupancy and boating on Taal Lake.
Local government units are advised to continuously assess and strengthen the preparedness of previously evacuated barangays around Taal Lake in case of renewed unrest.
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