Philippine Earthquake: New Tremor Recorded, Seabed Raised by 2 Meters After Previous Quake

A magnitude 6.2 earthquake jolted Mindanao, southern Philippines, on Monday, June 15, 2026. The tremor, recorded by both Indonesian and US geological agencies, occurred offshore at a depth of 93 kilometers.

Indonesian authorities classified the earthquake as medium, caused by the subduction of the Philippine Sea plate. While felt in Indonesia's Talaud and Sangihe Islands, it did not trigger a tsunami, unlike the powerful magnitude 7.8 quake that struck Mindanao the previous week. That earlier event led to approximately 6,000 aftershocks, with 78 being felt.

The recent earthquake's impact is overshadowed by the ongoing recovery from the prior, more devastating quake. Reports indicate that the earlier earthquake claimed 65 lives, with 36 people still missing and 1,400 injured. The Philippine Institute of Volcanology and Seismology has been monitoring the significant number of aftershocks.

Remarkably, the earlier earthquake also caused the seabed in the Pangyan Marine Sanctuary, Glan, Sarangani, to rise by up to two meters. This geological shift expanded the coastline by 200 meters, revealing coral reefs, seaweed, and marine life. Experts are investigating the sustained shallow sea levels and tsunamis that affected parts of the Philippines and Indonesia following the initial major earthquake.

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The earthquake was classified as medium, caused by the subduction of the Philippine Sea plate.