EARTHQUAKEM4.8

M4.8 earthquake near Sarangani, Philippines

Map: the earthquake near Sarangani, Philippines, with plate boundaries

A magnitude 4.8 earthquake struck 8 km (5 mi) southeast of Sarangani, Philippines on Tuesday, October 13, 2026 at 15:21 UTC, at a depth of 66 km (41 mi), according to the U.S. Geological Survey. Shallow quakes like this one shake the surface hardest. The nearest city of a million or more people is Davao, Philippines, about 197 km (122 mi) away.

MagnitudeM4.8
Depth66 km (41 mi)
Time (UTC)Oct 13 15:21
Location5.35°N 125.52°E
Nearest townSarangani · 8 km
Energy239 tons TNT
Aftershocks M2.5+2
Tsunami flagNo
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Why here?

This earthquake struck about 208 km (129 mi) from the boundary between the Philippine Sea and Sunda plates. Most earthquakes happen along plate boundaries like this one, where the pieces of Earth’s outer shell collide, pull apart or grind past each other. Stress builds up over years until the rock suddenly slips.

The red lines on the map are plate boundaries.

How strong was it?

Magnitude is logarithmic: each whole step releases about 32 times more energy. This magnitude 4.8 released roughly the energy of 239 tons of TNT. That is about 16 times the energy of a magnitude 4.0, a quake people nearby feel but that rarely causes damage. The strongest earthquake ever recorded, magnitude 9.5 in Chile in 1960, released about 11,000,000 times more than this one.

Aftershocks

In the first 13 days after it, USGS recorded 2 smaller earthquakes of magnitude 2.5 or more within 100 km (62 mi). The largest was a magnitude 4.7 on October 16 at 12:18 UTC.

Outside the United States, USGS mainly lists quakes of about magnitude 4 and up, so smaller aftershocks there are undercounted.

Earthquake history here

Before this earthquake, USGS had recorded 240 earthquakes of magnitude 6 or larger within 300 km (186 mi) since 1900. The strongest:

Official details, updates and the shaking map: USGS event page.

See every earthquake on October 13, 2026 or earthquakes by day.

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