Taal volcano (Luzon, Philiippines): elevated unrest continues

Пн, 29 мар 2021, 10:37
Taal volcano from PHIVOLCS's webcam on 27 March
Taal volcano from PHIVOLCS's webcam on 27 March
The Main Crater Lake  from PHIVOLCS's webcam on 27 March
The Main Crater Lake from PHIVOLCS's webcam on 27 March
The seismic unrest of the volcano remains at elevated levels.
The instruments detected 302 volcano-tectonic earthquakes including 184 volcanic tremor events with duration of 12 minutes. These indicate elevated fluid movements of gas, water and possibly magma under the surface.
The fumarolic activity is accompanied by near-constant emissions of steam-laden plumes which reached approx. 30 meters above the fumarolic vents. A sudden steam-driven explosion or new eruption could occur with little to no warning.
Sulfur dioxide (SO2) emissions reached to a 925 tonnes/day measured on 26 March.
The Main Crater Lake temperature reached to a 71.8°C with a pH of 1.59 caused by volcanic gas reaching the shallow hydrothermal system that feeds into the lake accompanied by degassing.
The ground deformation parameters from electronic tilt continues at low levels detected by GPS and InSAR data.
Source: Phillippine Institute of Volcanology and Seismology volcano activity update 29 March 2021

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Wed, 24 Mar 2021, 18:25
Volcanic-seismic unrest at the volcano is at elevated levels. During the latest 24 hours reporting window, the volcano observatory recorded 259 volcanic earthquakes, including 236 episodes of volcanic tremor of up to 22 minutes duration. ... Read all
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