EARTHQUAKEM4.6

M4.6 earthquake near Tago, Philippines

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

A magnitude 4.6 earthquake struck 7 km (4 mi) northeast of Tago, Philippines on Friday, October 30, 2026 at 17:06 UTC, at a depth of 10 km (6 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 Cagayan de Oro, about 188 km (117 mi) away.

MagnitudeM4.6
Depth10 km (6 mi)
Time (UTC)Oct 30 17:06
Location9.06°N 126.28°E
Nearest townTago · 7 km
Energy120 tons TNT
Aftershocks M2.5+0
Tsunami flagNo
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Why here?

This earthquake struck about 100 km (62 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 4.6 released roughly the energy of 120 tons of TNT. That is about 7.9 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 22,000,000 times more than this one.

Aftershocks

In the first 3 hours after it, USGS recorded no smaller earthquakes of magnitude 2.5 or more within 100 km (62 mi).

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 182 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 30, 2026 or earthquakes by day.

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