Update
MANILA, Philippines — A 7.1 magnitude quake jolted a large part of Mindanao and was felt as far as Zamboanga City at 8:23 p.m. Thursday, sending people out of houses and buildings here, most of them not wearing their face masks.
A bulletin from the Philippine Institute of Volcanology and Seismology (Phivolcs) disclosed that the epicenter of the quake was traced at 231 kilometers southeast of Jose Abad Santos town in Davao Occidental.
The quake, which was tectonic in origin and had a depth of focus of 116 kilometers, came more than a year after the series of destructive quakes that displaced thousands in Mindanao from October to December 2019.
Intensity V was recorded in General Santos City, Intensity IV in Davao City, and Intensity II in Bislig City, Surigao del Sur, it added.
Other Instrumental Intensities were also felt in the following:
Intensity V:
Kiamba, Sarangani
Intensity IV:
General Santos
Alabel, Sarangani
Koronadal City, South Cotabato
Intensity III:
Kidapawan City
Bislig City, Surigao del Sur
Gingoog, Misamis Oriental
Intensity II:
Cagayan de Oro City
Surigao City, Surigao del Norte
Borongan City, Eastern Samar
Intensity I:
Catbalogan City, Samar
Entire Mindanao shook
“Almost the entire Mindanao shook after almost five seconds of tremor,” said Engr. Allan Rommel Labayog, analyst of Phivolcs in Zamboanga City, where the quake was felt at Intensity 3.
The quake was felt at Intensity 5 in General Santos City and Kiamba; at Intensity 4 in Davao City, Alabel, Koronadal, Sarangani; and at Intensity 3 in Gingoog, Misamis Oriental and Bislig, Surigao del Sur, aside from Zamboanga City.
“(There are n)o reported damages but we are expecting aftershocks,” Labayog said. With reports from Julie Alipala, Germelina Lacorte, Inquirer Mindanao
This is a developing story, please refresh for updates.