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1,000 aftershocks pummel Batangas, waiting for the big one

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All I can say is WOW! 



 An “earthquake swarm” continued to hit Batangas yesterday as the Philippine Institute of Volcanology and Seismology (Phivolcs) advised people to stay calm but remain vigilant for the “Big One.”

Phivolcs director Renato Solidum said an earthquake swarm has been going on since Tuesday last week, and seismologists have recorded over 1,000 aftershocks, including Saturday’s four “moderately sized” tremors.

He said there was nothing to be alarmed about, as this was expected of a gradually moving fault line. Solidum said an earthquake swarm typically lasts for days or weeks.

At 11:14 a.m. yesterday, a magnitude-3.9 aftershock struck five kilometers southwest of Mabini, Batangas.

It was reportedly felt at Intensity 4 in Tingloy, Batangas; Intensity 3 in Puerto Galera, Oriental Mindoro; and Intensity 2 in San Teodoro, Oriental Mindoro.

Phivolcs also appealed to the public to refrain from spreading text messages and using social media to warn about an Intensity 8 earthquake that will supposedly hit Luzon following last Saturday’s tremors in Batangas and nearby areas.

The Big One

In light of the strong tremors that hit Batangas, Solidum advised people in Metro Manila to stay prepared and be vigilant for the “Big One,” which could be generated by the 100-km West Valley Fault.

Solidum said the Big One – the quake that the public is preparing for in Metro Manila – is still possible.

He said the fault that triggered strong earthquakes in Batangas in the past days is different from the West Valley Fault, which is capable of generating a magnitude-7.2 quake that could kill up to 34,000 people and injure 100,000 others due to collapsed buildings.

Phivolcs had been warning that the West Valley Fault, which runs from Marikina to Laguna, cutting through parts of eastern and southern Metro Manila, is “ripe” for movement.

He said the magnitude 6 quake in Batangas on Saturday could be the Big One only for Mabini, Batangas.

The earthquake swarm happening in Batangas would not lessen the danger of a big quake in Metro Manila, Solidum stressed. 

MORE: http://www.philstar.com/headlines/2017/04/10/1689433/1000-aftershocks-pummel-batangas



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