MANILA (UPDATE) — A magnitude 5.2 earthquake jolted Davao Occidental on Friday morning, Christmas Day, the Philippine Institute of Volcanology and Seismology said.

The tremor happened at 10 a.m., 95 kilometers southeast of Sarangani town. It was tectonic in origin and had a depth of 111 kilometers, according to state seismologists.

Phivolcs earlier reported that the tremor was at 5.3 and occurred 95 kilometers southeast of the same area and had a depth of 111 kilometers.

No damage is expected but aftershocks may occur, it said.

Instrumental Intensity II was felt at Alabel, Sarangani and Instrumental Intensity I was felt at Kiamba, Sarangani; Koronadal City; General Santos City.

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“Sa ganito pong magnitude at lalim wala naman tayong ine-expect na damage and definitely walang tsunami na maidudulot ito,” Phivolcs Director Renato Solidum told ABS-CBN Teleradyo.

[With this magnitude and depth we are not expecting damage and tsunamin to occur.]

Phivolcs earlier reported a magnitude 6.3 earthquake that struck off Batangas at 7:43 a.m today.

• Magnitude 6.3 quake jolts Calatagan, Batangas on Christmas Day

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Solidum said that the two quakes has no relation to each other.

“Wala naman po silang kaugnayan, magkaiba ang earthquake source na nagdudulot ng lindol sa iba’t ibang dako ng Pilipinas,” he said.

(They have no relation, the earthquake sources are different in all the parts of the Philippines.)

“At wala naman tayong maipo-project basta masasabi natin na posible naman talaga na may malakas na lindol na mangyayari dito sa iba’t ibang lugar sa Pilipinas at ang kailangan lang talaga parati ay handa tayo riyan.”

(And we cannot project anything, all we can say is there is always a possibility to experience a strong quake anywhere in the Philippines and we should always be ready.)

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