91 Tremor Episodes Recorded at Taal Volcano in the past 24 Hours

According to the Philippine Institute of Volcanology and Seismology’s (PHIVOLCS) 8:00 AM volcano bulletin today, February 18, 2021 (Thursday), the Taal Volcano has recorded 91 tremor episodes in the past 24 hours that lasted for 1-5 minutes.

Furthermore, PHIVOLCS stated that “activity in the Main Crater consisted of weak emission of white steam-laden plumes from fumaroles that rose 5 meters high.”

And, temperature highs of 77.1°C and pH of 1.59 were last measured from the Main Crater Lake on February 12, 2021 according to the volcano bulletin.

Also, “ground deformation parameters from continuous electronic tilt on Volcano Island record a slight deflation around the Main Crater since October 2020 but overall, very slow and steady inflation of the Taal region has been recorded by continuous GPS data after the eruption,” PHIVOLCs added.

Taal on  Alert Level 1

Taal Volcano is on Alert Level 1 (Abnormal) and the public is reminded that at Alert Level 1 that the following can occur and threaten areas within the Taal Volcano Island (TVI):

• sudden steam-driven or phreatic explosions
• volcanic earthquakes
• minor ashfall
• lethal accumulations or expulsions of volcanic gas

Entry into TVI Prohibited

It was strongly recommended by PHIVOLCS that entry into the Taal’s Permanent Danger Zone (PDZ) which is the TVI especially the vicinities of the Main Crater and the Daang Kastila fissure must remain strictly prohibited.

PHIVOLCS Reminders

• 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.
• People are advised to observe precautions due to ground displacement across fissures, possible ashfall, and minor earthquakes.
• Civil aviation authorities must advise pilots to avoid flying close to the volcano as airborne ash and ballistic fragments from sudden explosions and wind-remobilized ash may pose hazards to aircraft.

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Source: PHIVOLCS