Alaska earthquakes

M2.4 earthquake 89 km SSE of Perryville, Alaska

A magnitude 2.4 earthquake struck 89 km SSE of Perryville, Alaska on Tue, Aug 31, 2021, 2:55 PM AKDT (22:55 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.8 137 km SSE of Chignik, Alaska. This one was a foreshock.

Sand Point 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: 2.4 (ml), micro
Local time: Tue, Aug 31, 2021, 2:55 PM AKDT
UTC: 2021-08-31 22:55:12 UTC
Depth: 13.2 km (8.2 mi), shallow
Epicenter: 55.158° N, 158.650° 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.

Stations used: 20

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast119 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 41 in the 30 days before it.

After

The first 60 of 158.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b690ot5 (also filed as us7000fbz4). Read Tue, Sep 22, 2026, 11:32 PM UTC.