The Philippine Institute of Volcanology and Seismology (Phivolcs) has detected 51 earthquakes in the past 24 hours, according to its latest bulletin on Wednesday.

Alert level 2 has been maintained in one of the country’s most active volcanoes.

In its latest bulletin, Phivolcs said that 41 of the recorded shaking are “episodes of volcanic tremor having durations of one to four minutes.”

“Activity at the Main Crater consisted of weak emission of steam-laden plumes from fumarolic vents that rose 5 meters high,” it added.

Phivolcs also said temperature highs of 71.8 degree Celsius and pH of 1.59 were measured from the main crater lake on March 4 and February 12, respectively.

“Ground deformation parameters from electronic tilt, continuous GPS (Global Positioning System) and InSAR (Interferometric synthetic aperture radar) data analysis indicated a very slow and steady inflation and expansion of the Taal region since after the January 2020 eruption,” Phivolcs said.

Since February 13 the volcano has been exhibiting unrest on the following parameters: volcanic earthquakes, changes in the main crater lake, ground deformation, and “microgravity changes.”

Alert Level 2 also indicates that magmatic activities inside the volcano may or may not lead to an eruption.

Evacuation is not yet recommended, but the Taal volcano island is still off limits.

“Local government units are advised to continuously assess previously evacuated barangays around Taal Lake for damages and road accessibilities and to strengthen preparedness, contingency, and communication measures in case of renewed unrest,” Phivolcs said.

Taal Volcano last erupted in January 2020. (TDT)

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