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More volcanic quakes jolt Taal

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Saturday recorded 302 volcanic earthquakes at Taal Volcano in the last 24 hours and is showing signs of increased magmatic activity.

In its bulletin, the state seismology bureau disclosed that 302 volcanic earthquakes include 184 episodes of volcanic tremor with a duration of 1 to 12 minutes, and 118 low frequency volcanic quakes.

“Activity at the Main Crater consisted of weak emission of steam-laden plumes from fumarolic vents that rose 30 meters. Sulfur dioxide (SO2) emission that averaged 925 tonnes/day was measured yesterday, 26 March 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,” said the bulletin.

Phivolcs also revealed that ground deformation indicated a very slow and steady inflation and expansion of the Taal region since after the January 2020 eruption.

“These parameters may indicate increased magmatic activity at shallow depths beneath the edifice,” it added.

The volcano is still at alert level 2 (increased unrest) and under constant evaluation.

Credit belongs to : www.tribune.net.ph


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