Alaska earthquakes

M2.3 earthquake 155 km S of False Pass, Alaska

A magnitude 2.3 earthquake struck 155 km S of False Pass, Alaska on Tue, Jul 29, 2025, 4:31 PM AKDT (00:31 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.5 154 km ESE of Akutan, Alaska. This one was a foreshock.

Akutan forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.3 (ml), micro
Local time: Tue, Jul 29, 2025, 4:31 PM AKDT
UTC: 2025-07-30 00:31:25 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.463° N, 163.564° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.16
Depth from: Operator assigned
Station coverage gap: 222°, poorly surrounded by stations
Stations used: 26

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Akutan, AlaskaPopulation 1,040. Forecast163 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 73 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 73.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rcy5 (also filed as ak0259oykx2n). Read Tue, Sep 29, 2026, 7:23 PM UTC.