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Manila Bulletin devider Philippines devider National devider Taal Volcano continues to emit steam plumes

Taal Volcano continues to emit steam plumes

Published May 30, 2021 09:54 am

The activity at Taal Volcano's main crater was still dominated by the upwelling of hot volcanic fluids in its lake that generated plumes about 2-kilometers high, the Philippine Institute of Volcanology and Seismology (Phivolcs) said on Sunday, May 30.

In the past 24 hours, Phivolcs has not detected volcanic earthquakes in Taal but a low-level background tremor has persisted since April 8.

Sulfur dioxide (SO2) emission also remains high as it averaged 3,884 tonnes per day on Saturday, May 29.

Main crater of the Taal Volcano (MARK BALMORES / MANILA BULLETIN FILE PHOTO)

Meanwhile, temperature highs of 71.8°C and pH of 1.59 were last measured from the main crater lake on March 4, 2021, and Feb. 12, 2021, respectively.

"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," Phivolcs said.

It pointed out that these parameters continue to indicate a persistent magmatic activity at shallow depths beneath the Taal Volcano.

Phivolcs said Taal Volcano remains under Alert Level 2 due to possible sudden steam-driven or phreatic explosions, volcanic earthquakes, minor ashfall, and lethal accumulations or expulsions of volcanic gas that threaten areas within and around the Taal Volcano Island.

The restive volcano in Batangas has been under Alert Level 2 since March 9, 2021.

Phivolcs reiterated that entry into the volcano island, which is a permanent danger zone, especially the vicinities of the main crater and Daang Kastila fissure, is strictly prohibited.

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