A 4.1 magnitude earthquake shook Batangas province at 5:15 p.m. Wednesday, the US Geological Survey said.

There were no immediate reports of damage or injuries.

The inland tremor struck 55 kilometers northwest of Batangas and 65 kilometers south-southwest of Manila at a depth of 217.7 kilometers.

The Philippines sits on the Pacific "Ring of Fire" where continental plates collide causing frequent seismic and volcanic activity.

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