Coastal uplift seen in Sarangani, Davao Occ. after Mindanao earthquake

MANILA, Philippines — A coastal uplift was observed in parts of Sarangani and Davao Occidental following a magnitude 7.8 offshore earthquake on June 8, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.

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According to a recent advisory, Phivolcs observed co-seismic coastal uplift and landslides in barangays in Glan, Sarangani, as well as in southern parts of Glan and Jose Abad Santos, Davao Occidental, during an aerial survey on June 11.

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READ: Strong aftershock shakes Mindanao

“Observations showed that corals previously submerged in the sea are now exposed above water, reshaping the coastline due to the June 8, 2026, magnitude 7.8 Sarangani Sea earthquake,” Phivolcs said.

Phivolcs said the coastline is estimated to have risen by about two meters, with the shoreline retreating by approximately 200 meters.

The agency explained that the uplift was caused by movement along the Cotabato Trench, which triggered the earthquake and pushed up parts of the coastlines in Sarangani and Davao Occidental.

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This exposed areas of the seabed that were previously submerged.

Phivolcs also said it has recorded 5,200 aftershocks since the June 8 earthquake as of 9 a.m. on Sunday, June 14.

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The aftershocks ranged in magnitude from 1.2 to 6.4, with the majority on the lower end, as only 76 were tagged by Phivolcs as “felt.” /mcm

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HELP MINDANAO EARTHQUAKE VICTIMS

The Inquirer Foundation is calling for support for communities devastated by the recent magnitude 7.8 earthquake that struck Mindanao.

In partnership with the Philippine Red Cross, the foundation is amplifying appeals for food, clean water and other critical assistance for affected families.

Donors may send contributions directly to the Philippine Red Cross through its official transfer channels, the complete list is available on the PRC’s Facebook page.

The Philippine Red Cross has activated its emergency fund campaign and deployed teams on the ground to provide medical services, distribute relief goods and extend psychosocial support to affected families.