Unnamed fault stirs Batangas tremblor

THE Philippine Institute of Volcanology and Seismology has discovered a new fault that triggered the series of earthquakes in Batangas.

Erlinton Olevere, an agency’s science and research specialist, said the fault is still unnamed.

“This is different from the West Valley Fault. We can see a fault at the Mabini Peninsula moving. As of now, it still has no specific name,” he told radio dzBB.

The fault runs along the Mabini Peninsula but does not have a history of a powerful quakes or surface manifestations, he said.

Phivolcs has not yet identified the exact location of the fault.

Olevere said the two quakes that struck the town of Mabini on Saturday were just aftershocks of magnitude 5.5 quake located five kilometers south of Tingloy, Batangas on April 4.

On Saturday afternoon, the first significant quake was measured at magnitude 5.6, followed by a magnitude 6 at 3:07 p.m. and 3:09 p.m.

“No threat of destructive tsunami waves is expected because the magnitude range of these events is not enough,” the Phivolcs bulletin read.

A third quake was recorded 20 minutes later at 3:29 p.m. with a magnitude 4.1 southwest of San Luis, Batangas. Another quake with magnitude 4.7 followed at 4:36 p.m. northwest of Mabini. 

The Palace said the administration has more than P1.16 billion on standby for the victims of the earthquake in the Calabarzon area, where the calamity hit hardest on Saturday.

The Presidential Communications Operations Office said Social Welfare Secretary Judy Taguiwalo had sent a message to their office giving updates on the relief operations, including the status of prepositioned resources, stockpiles and standby funds.

In the initial response to the earthquake in Batangas, the agency said it has distributed 30 tents, 600 blankets, 400 bottles of water in Mabini; 15 tents, 200 blankets and 100 bottles of water in Tingloy, and some 20 tents to hospitals. 

Topics: Philippine Institute of Volcanology and Seismology , Earthquakes , Batangas , Fault , Erlinton Olevere
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