MANILA – A 6.1 magnitude earthquake jolted Surigao del Sur Monday morning.
In a bulletin, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported that the strong temblor struck at 6:13 a.m.
It was tectonic in origin with epicenter off the waters of Bayabas in Surigao del Sur.
Intensity I was felt in Surigao City and Gingoog City.
Meanwhile, a magnitude 5.2 quake struck Davao Occidental on Sunday night.
The tectonic quake struck 41 kilometers northwest of the municipality of Don Marcelino at 9:28 p.m. and had a depth of 172 km.
Intensity III was felt in General Santos City; and Alabel, Sarangani, while Intensity II was felt Mati City; Glan and Malapatan, Sarangani; Don Marcelino, Davao Occidental; Kiblawan and Sta. Cruz, Davao del Sur.
Instrumental Intensity III was recorded in Alabel, Sarangan.
Reported intensity is the traditional way of knowing the intensity based on reports by people who felt the earthquake. Instrumental intensity is measured using instruments or intensity meter that measure the ground acceleration.
Acceleration record is converted to intensities, according to Phivolcs director Renato Solidum, Jr. Phivolcs said aftershocks are possible, while damages are not expected from the quake.
Early this month, two earthquakes with magnitude 6.3 and 5.5 struck waters off Sarangani, Davao Occidental. (PNA)