Alaska earthquakes

M2.8 earthquake 13 km WNW of Atka, Alaska

A magnitude 2.8 earthquake struck 13 km WNW of Atka, Alaska on Wed, May 25, 2022, 9:52 PM HADT (06:52 UTC), 228 km (142 mi) below the surface.

A larger quake followed: M5.3 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Wed, May 25, 2022, 9:52 PM HADT
UTC: 2022-05-26 06:52:02 UTC
Depth: 227.7 km (141.5 mi), intermediate-depth
Epicenter: 52.225° N, 174.389° 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 18.6 km horizontally, 4.2 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 153°
Stations used: 20

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 72 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hsst (also filed as ak0226pkcfde). Read Wed, Sep 30, 2026, 5:06 AM UTC.