MANILA, Feb. 12 (Xinhua) -- An earthquake of 5.1 magnitude struck Sarangani province in the southern Philippines on Tuesday, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.

The institute said the quake, which struck at 4:01 p.m. local time, hit at a depth of 48 kilometers, about 88 km southeast of Sarangani in Davao Occidental.

The institute said the tremor, which was tectonic in origin, will not cause any damage. However, it said that aftershocks are expected.