Luzon earthquake not connected to “The Big One”

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Luzon earthquake not connected to "The Big One"
Office workers evacuate their workplace in Manila today. Picture via Voice of America
A deep earthquake of 6.3 magnitude struck off Luzon island today (Friday, August 11), rocking capital Manila.

Office workers in the capital left their buildings but no damage was apparent after the quake struck at about noon.

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The Philippine Institute of Volcanology and Seismology (Phivolcs) said the earthquake’s epicentre was about three miles southwest of Batangas province’s Lian town at a depth of 107 miles.

The US Geological Survey pegged the magnitude at 6.2.

Although the tremor was widely felt, no damage is expected and a tsunami warning has not been issued. Aftershocks are expected.



“We don’t expect that this will trigger the movement of other faults,” Phivolcs Director Renato Solidum said.

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He also said the quake had no connection to “The Big One”, the feared high-magnitude earthquake that could be generated by the West Valley Fault.

The Philippines is on the geologically active Pacific Ring of Fire and experiences frequent earthquakes.

The following intensities were reported:

•Intensity IV – Calapan, Mindoro; Subic, Zambales; Rosario, Cavite; Manila City; Sablayan, Occidental Mindoro

•Intensity III – Pateros City; Quezon City; Makati City; Malolos, Bulacan; Cainta, Rizal; Calamba, Laguna

•Intensity II – Magalang, Pampanga; Tanauan City, Batangas

•Intensity I – Talisay, Batangas

Instrumental Intensities:

•Intensity III – Calumpit, San Ildefonso, Bulacan; Tagaytay City

•Intenisty II – Lucban, Quezon

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