Over 400 weak to moderate earthquakes were recorded around Kalamansig, Sultan Kudarat, from 10:52 p.m. Jan. 19 to 1 p.m. Wednesday, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.
At least 135 of these, with magnitudes ranging from 1.5 to 5.2, were plotted or located.
Phivolcs said 20 of the earthquakes were felt.
The agency, in an advisory, urged the public to be prepared and do the “duck/drop, cover and hold.”
Those in coastal areas are advised to stay alert and be mindful of signs of a tsunami.
The public is also encouraged to check updates via the Phivolcs website or official social media accounts.
A magnitude 5.1 earthquake also rocked Kalamansig yesterday.
Phivolcs initially recorded the tremor of tectonic origin at magnitude 5.3 but later downgraded it to magnitude 5.1.
The major temblor had a depth of 15 kilometers, Phivolcs said.
Intensity 2 was felt in Tupi, Tboli, Surallah, and Santo Niño, South Cotabato; and Kiamba, Sarangani, while Intensity 1 was recorded in Tantangan and Banga, South Cotabato and General Santos City
Tremors were recorded at intensity 4 in Lebak, Sultan Kudarat; intensity 3 in Palimbang, Sultan Kudarat; intensity 2 in City of General Santos; Maitum and Kiamba, Sarangani; Surallah, Santo Niño, Tupi, Norala, and T’Boli, South Cotabato; Esperanza and Isulan, Sultan Kudarat, and intensity 1 in M’lang, Cotabato; City of Digos, Davao del Sur; Malungon, Maasim, and Alabel, Sarangani; City of Koronadal, Banga, and Tantangan, South Cotabato; Columbio, Sultan Kudarat.
