Alaska earthquakes

M2.9 earthquake 290 km W of Adak, Alaska

A magnitude 2.9 earthquake struck 290 km W of Adak, Alaska on Thu, May 25, 2023, 9:11 AM GMT+12 (21:11 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.9 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.9 (ml), micro
Local time: Thu, May 25, 2023, 9:11 AM GMT+12
UTC: 2023-05-24 21:11:28 UTC
Depth: 14.7 km (9.1 mi), shallow
Epicenter: 51.610° N, 179.177° E
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 7.2 km horizontally, 7.1 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 217°, poorly surrounded by stations
Stations used: 13

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 43 in the 30 days before it.

After

The first 60 of 178.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k3ly (also filed as ak0236mhygpv). Read Wed, Sep 30, 2026, 2:01 PM UTC.