Excerpt:
A magnitude 4.8 tectonic earthquake struck off Maasim, Sarangani early Friday morning, June 13, 2026, according to PHIVOLCS. The quake was recorded as an aftershock of the June 8 offshore Sarangani earthquake.
A magnitude 4.8 earthquake was recorded near Maasim, Sarangani early Friday morning, June 13, 2026, according to the Philippine Institute of Volcanology and Seismology.
Based on PHIVOLCS Earthquake Information No. 1, the earthquake occurred at 1:58:33 AM.
The epicenter was located at 05.34°N, 124.74°E, or approximately 64 kilometers south, 26 degrees west of Maasim, Sarangani.
PHIVOLCS reported that the earthquake had a depth of focus of 10 kilometers and was tectonic in origin.
PHIVOLCS recorded the following instrumental intensities:
Intensity I is generally described as a very weak shaking that may only be detected by instruments or felt by a few people under favorable conditions.
According to PHIVOLCS, the earthquake was an aftershock of the June 8, 2026 Mw 7.8 Offshore Sarangani earthquake.
Despite being an aftershock, PHIVOLCS indicated that no damage is expected and no aftershocks are expected from this latest event.
The bulletin was issued at 2:03:56 AM on June 13, 2026.
Residents in affected and nearby areas are reminded to stay alert and check their surroundings after any earthquake. Inspect homes and buildings for cracks or possible damage, especially if the shaking was felt.
Those near coastal areas should also remain informed through official advisories from PHIVOLCS and local disaster risk reduction offices.
For safety, keep emergency supplies ready, secure heavy furniture and appliances, and prepare a family communication plan in case stronger aftershocks or future earthquakes occur.
Source: PHIVOLCS Earthquake Information No. 1, June 13, 2026
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