Alaska earthquakes

M2.5 earthquake 7 km NNW of Atka, Alaska

A magnitude 2.5 earthquake struck 7 km NNW of Atka, Alaska on Tue, May 31, 2022, 6:28 AM HADT (15:28 UTC), 157 km (97 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: 2.5 (ml), micro
Local time: Tue, May 31, 2022, 6:28 AM HADT
UTC: 2022-05-31 15:28:29 UTC
Depth: 156.8 km (97.4 mi), intermediate-depth
Epicenter: 52.262° N, 174.228° 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 20.1 km horizontally, 3.7 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 112°
Stations used: 11

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 73 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 us7000hdvs (also filed as ak0226xz8zsb). Read Tue, Sep 29, 2026, 4:00 AM UTC.