MANILA, Philippines — A magnitude 6.4 earthquake jolted Davao Oriental on Saturday afternoon, according to the Philippine Institute of Volcanology and Seismology.
In a bulletin, the agency said that a "tectonic" quake with a magnitude of 6.4 rattled Manay, Davao Oriental at 3.16 p.m. The tremor struck at a depth of 014 kilometers.
The earthquake was felt at Intensity V in Davao City and Mati City, Davao Oriental.
Intensity refers to the measurement of shakes produced and felt in an area.
According to PHIVOLCS Earthquake Intensity Scale, Intensity V refers to “strong” shakes, which are generally felt by most people indoors and outdoors. Strong shaking and rocking are likewise felt throughout building.
Intensity IV (moderately strong) was felt in Koronadal City and Bislig City where shaking was felt by people indoors and some people outdoors.
Tupi, South Cotabato; Alabel and Malapatan, Sarangani experienced the shaking at Intensity III (weak) where shaking was felt by many people indoors especially on the upper floors of buildings.
Intensity II was felt in Cotabato City and General Santos City, which means that the jolting was “felt by few individuals at rest indoors.”
Based on Instrumental Intensities, Intensity II was recorded in Alabel, Sarangani.
Intensity II was reprted in Bisig City while Intensity I was felt in General Santos City
Phivolcs said damage and aftershocks are expected.