A MAGNITUDE 6.1 earthquake struck off the coast of Davao Occidental around 7 a.m. Saturday, June 28, 2025, but state seismologists said no destructive tsunami threat exists based on available data.
The epicenter of the tremor, with a depth of 79 kilometers, was located 85 kilometers southeast of Sarangani Island in Davao Occidental, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).
It struck at 7:07 a.m. and was felt at Intensity 5 in Glan and Malungon, Sarangani; and Pantukan, Davao de Oro.
Alabel, Kiamba, and Malapatan in Sarangani; General Santos City; Tupi and Koronadal City in South Cotabato; Davao City, and Santa Cruz, Davao del Sur; Jose Abad Santos, Davao Occidental; and Monkayo, Davao de Oro felt it at Intensity 4.
Intensity 3 was reported in Maasim and Maitum, Sarangani; Banga, Tampakan, Surallah, and Polomolok, South Cotabato; Maco and Nabunturan, Davao de Oro; and Matanao and Magsaysay, Davao del Sur.
It was also felt at Intensity 2 in Tantangan and Norala, and Santo Niño in South Cotabato.
Phivolcs also reported instrumental intensities in the following areas:
Intensity 5 -- Malungon, Sarangani
Intensity 4 -- Kiamba, Sarangani: General Santos City, South Cotabato
Intensity 3 -- Davao City, Magsaysay and Matanao, Davao del Sur; Don Marcelino, Davao Occidental; Nabunturan, Davao de Oro; Gingoog City, Misamis Oriental; Maasim, Glan, Maitum, Sarangani; T'Boli, Suralla, Banga, Koronadal City, South Cotabato; Lambayong, Sultan Kudarat
Intensity 2 -- San Fernando, Bukidnon; Balingasag, Mismis Oriental; Norala and Santo Nino, South Cotabato; President Quirino, Esperanza, Columbio, Bagumbayan, Sultan Kudarat; Bislig City, Surigao del Sur
Intensity 1 -- Cabadbaran City, Agusan del Norte; Kalilangan, Bukidnon; Carmen, Banisilan, Cotabato; Cagayan de Oro, Misamis Oriental; Isulan, Sultan Kudarat; Zamboanga City, Zamboanga del Sur
Phivolcs said that while there was no tsunami threat posed by the tremor “earthquakes of this size may generate unusual sea level disturbances that may be observed along coasts near earthquake epicenter of Davao Occidental and nearby provinces.”
Aftershocks occurred after the magnitude 6.1 tremor but no damage has been reported so far. (LRM)