EARTHQUAKEM4.5

M4.5 earthquake near Bantogon, Philippines

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

A magnitude 4.5 earthquake struck 18 km (11 mi) west-northwest of Bantogon, Philippines on Friday, October 23, 2026 at 09:09 UTC, at a depth of 591 km (367 mi), according to the U.S. Geological Survey. Quakes this deep are usually felt widely but rarely cause damage. The nearest city of a million or more people is Davao, Philippines, about 204 km (126 mi) away.

MagnitudeM4.5
Depth591 km (367 mi)
Time (UTC)Oct 23 09:09
Location6.57°N 123.87°E
Nearest townBantogon · 18 km
Energy85 tons TNT
Aftershocks M2.5+0
Tsunami flagNo
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Why here?

This earthquake struck 591 km (367 mi) down, about 345 km (215 mi) from the nearest plate boundary on the surface. Quakes this deep happen inside old ocean plate that has sunk far into the mantle at a subduction zone, long after it dove beneath its neighbor. Their great depth spreads the shaking over a wide area but usually keeps it gentle at the surface.

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 4.5 released roughly the energy of 85 tons of TNT. That is about 5.6 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 32,000,000 times more than this one.

Aftershocks

In the first 3 days 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 124 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 23, 2026 or earthquakes by day.

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