Magnitude 5.3 quake jolts Davao Occidental coast, aftershocks expected
MANILA, Philippines — A magnitude 5.3 earthquake struck the coast off Jose Abad Santos in Davao Occidental at 1:08 p.m. on Tuesday, August 12, according to the Philippine Institute of Volcanology and Seismology.
In its second bulletin, Phivolcs said the tectonic quake originated 80 kilometers southeast of Jose Abad Santos, with a depth of focus of 140 kilometers.
While no damage is expected, aftershocks remain possible. Phivolcs also recorded instrumental intensities, with the highest reaching Intensity III, classified as weak.
A magnitude 5.3 earthquake is generally considered light to moderate, which is noticeable to people and capable of causing minor to slight damage to buildings.
Intensity III (weak)
- Sarangani: Malungon
Intensity II (slightly felt)
- Davao Occidental: Don Marcelino
- Sarangani: Kiamba and Alabel
- General Santos City
- South Cotabato: Tupi
Intensity I (scarcely perceptible)
- Davao del Sur: Matanao and Magsaysay
- Sarangani: Maitum
- South Cotabato: T'Boli and City of Koronadal
While reported intensities reflect observed impacts on people, infrastructure and the environment, instrumental readings are derived from seismic equipment and serve as estimates of ground motion.
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