Taal volcano (Luzon Island, Philippines): phreatomagmatic eruption yesterday, 3 km steam plumes and Volcanic Alert Level raised to 3

3,000 m tall steam-laden plume from Taal volcano yesterday (image: @volcanoaddict/twitter)

3,000 m tall steam-laden plume from Taal volcano yesterday (image: @volcanoaddict/twitter)

The alert level for the volcano was raised to Level 3, as a new phreatomagmatic explosion started from the Taal Main Crater at 07:22 local time yesterday reported by the local observatory PHIVOLCS.

The elevated activity was accompanied by emissions of steam-laden plumes and a small amount of ash that rose to estimated 3 km altitude above the fumarolic vents. The eruption lasted about 98 minutes that ceased at about 08:59 local time. Presence of water caused significant explosive interaction (phreatomagmatic activity) of water and magma.
The event was detected by 11 seismic instruments as recorded 5-to-86 minutes lasting volcanic tremor including 3 long-period (LP) earthquakes.

The local people reported sulfur-smelling ashfall along the Calauit and Alas-as shorelines and at the lakeshore of Banyaga, Agoncillo, Batangas. Sulfur dioxide (SO2) emissions reached to a 6957 tonnes/day yesterday.

After the eruption ended, two phreatomagmatic bursts have been recorded at 04:34 and 05:04 local time this morning that generated 400 and 800 m tall gas and steam plumes drifting towards the southwest.
Electronic tiltmeter and GPS measurements continue to detect deflation since October last year.

Source: Phillippine Institute of Volcanology and Seismology volcano activity update 26 March 2022

Footage of the phreatomagmatic eruption at Taal volcano (source: PHIVOLCS)