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Manila Bulletin devider Philippines devider National devider Phivolcs observes increased sulfur dioxide emission from Taal Volcano

Phivolcs observes increased sulfur dioxide emission from Taal Volcano

Published Nov 15, 2023 07:33 am

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Wednesday, Nov. 15 observed "elevated" sulfur dioxide (SO2) emission from Taal Volcano.

Taal Volcano-Batangas.jpg
(Manila Bulletin file photo) 

From 10,539 tons of sulfur dioxide on Nov. 14, Phivolcs recorded 11,695 tons on Nov. 15.

Phivolcs also noticed a “continuous upwelling of volcanic fluids” in the volcano's main crater, which generated short and weak to moderate plumes.

A “mild sulfur stench” was also reported in Banyaga, Agoncillo in Batangas.

However, Phivolcs said there is no volcanic smog or vog that was observed over Taal caldera.

It reminded the public that vog can cause eye, throat, and respiratory tract irritation, the severity of which varies depending on gas concentration and exposure duration.

Phivolcs advised people to be cautious, especially those suffering from asthma, lung disease, and heart disease, as well as the elderly, pregnant women, and children.

The public is also advised to avoid outdoor activities and to wear an N95 facemask.

Phivolcs said Taal Volcano remains on Alert Level 1, which means it is still experiencing "low-level unrest," but should "not be interpreted to have ceased unrest or ceased the threat of eruptive activity.”

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