There were no immediate reports of damage or casualties from the quake, which the USGS said struck at 3:08 pm (0708 GMT) just off the southern coast of the main Philippine island of Luzon, about 110 kilometres (68 miles) south of Manila.
Magnitude 5.3 earthquake jolts K-P, adjoining areas
AFP reporters saw people running out of office buildings in Manila's financial district, while local television network ABS-CBN broadcast live footage of frightened commuters fleeing the passenger terminal at the port of Batangas, near the epicentre.
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