MANILA - A magnitude-5.1 earthquake rocked Davao del Sur on Thursday afternoon, Phivolcs said.

The tremor, which happened 8 kilometers southwest of Magsaysay town at 2:24 p.m., was tectonic in origin and had a depth of 17 kilometers, according to Phivolcs.

The tremor was not expected to cause damage but will spawn aftershocks, state seismologists said.

The following instrumental intensities were reported:

• Intensity V - Koronadal City, South Cotabato
• Intensity III - Kidapawan City, Cotabato
• Intensity II - Kiamba, South Cotabato; General Santos City

A magnitude-6.1 quake hit the same town and nearby areas in February, leaving at least 3 injured.

• 3 injured in magnitude 6.1 Mindanao quake: NDRRMC
• Magnitude 6.1 Davao del Sur temblor part of series of quakes: Phivolcs

The Philippines is situated on the Pacific "Ring of Fire," an arc of intense seismic activity that stretches from Japan through Southeast Asia and across the Pacific basin.

— With a report from Agence France-Presse

Watch more in iWantv or TFC.tv