Magnitude 4.7 quake jolts Sultan Kudarat


A magnitude 4.7 earthquake shook the province of Sultan Kudarat on Saturday morning, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

In its bulletin, the agency said the tremor occurred at 7:09 a.m. with its epicenter traced at 13 kilometers northeast of Columbio in Sultan Kudarat.

Phivolcs said that Kidapawan City felt the tremor at Intensity 4.

Phivolcs described an Intensity 4 as moderately strong, felt generally by people indoors and by some people outdoors. Light sleepers are awakened.

It further noted that a vibration like the “passing of heavy truck” an be noticed. Hanging objects swing considerably. Dinner, plates, glasses, windows and doors rattle while floors and walls of wood framed buildings creak. Standing motor cars may rock slightly.

It added that liquids in containers are slightly disturbed. Water in containers oscillate strongly while rumbling sound may sometimes be heard.

The tremor, which was tectonic in origin, had a shallow depth of 15 kilometers.

Despite the reported intensity, the agency noted that there was no casualty nor damage reported from the quake.

The agency noted that no aftershocks are expected from the affected areas.

The Philippines lies on the Pacific Ring of Fire, where 20 to 25 earthquakes per day — mostly imperceptible — are common. PNA


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