A magnitude 5 earthquake struck the province of Zambales with the epicenter pinpointed at 125 kilometers southwest of the town of San Antonio. The quake struck at 6:00 this morning of March 13.
According to Phivolcs the tremor was tectonic in origin with a dept of 27 kilometers. They also warned of possible aftershocks but did not expect any damage.
Sources: CNNPhls/ABS-CBNNews
West Valley Fault 
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