Taal (Philippines) - Report for 3 August-9 August 2022

PHIVOLCS reported increases in both sulfur dioxide emissions at Taal and activity in Main Crater Lake.
Sulfur dioxide emissions averaged 1,289 tonnes per day from May to mid-June, and increased to an average of 4,952 tonnes per day during 15 July-3 August.
Sulfur dioxide emissions further increased to 12,125 and 17,141 tonnes per day on 3 and 7 August, respectively, prompting PHIVOLCS to issue advisories.
Vog was present over the W part of Taal Caldera during 2-3 August; dense vog in Laurel and Banyaga (Agoncillo, Batangas Province) also damaged vegetation.
A sulfur odor was reported by residents of Tagaytay City and Bugaan East.
Upwelling gasses and hot fluids in the lake, and voluminous steam-rich plumes rising as high as 2.8 km above the lake, were visible during 1-9 August.
Recent low-frequency seismic events and tremor were characterized as above background.
The Alert Level remained at 1 (on a scale of 0-5), and PHIVOLCS reminded the public that the entire Taal Volcano Island was a Permanent Danger Zone (PDZ).

Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)

Fonte/Source: Global Volcanism Program/Smithsonian Institution

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