MANILA – A magnitude 5.6 earthquake shook Sultan Kudarat province on Tuesday afternoon, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.

The tectonic quake struck 36 kilometers northwest of the municipality of Lebak at 1:24 p.m.

It was 36 kilometers deep.

Intensity III was felt in Cotabato City; Intensity II in General Santos City; and
Intensity I in Zamboanga City.

Phivolcs recorded the following using an intensity meter that measures ground acceleration:

Intensity IV- T'boli, South Cotabato

Intensity III- Santo Nino and Koronadal City, South Cotabato;Kiamba, Sarangani

Intensity II - General Santos City; Cotabato City; Malungon and Maasim, Sarangani

Intensity I - Zamboanga City; Davao City; Cagayan de Oro City; Kidapawan City

Aftershocks are likely, but damage is not expected from the magnitude 5.6 quake.

Damage starts at Intensity VI based on Phivolcs' scale. (PNA)