Alaska earthquakes

M2.9 earthquake 161 km SE of Chignik, Alaska

A magnitude 2.9 earthquake struck 161 km SE of Chignik, Alaska on Sun, Aug 1, 2021, 12:33 AM AKDT (08:33 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M3.8 200 km SE of Perryville, 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: 2.9 (ml), micro
Local time: Sun, Aug 1, 2021, 12:33 AM AKDT
UTC: 2021-08-01 08:33:05 UTC
Depth: 39.9 km (24.8 mi), shallow
Epicenter: 55.435° N, 156.330° 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: 53

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast264 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219sefh53 (also filed as us6000f91e). Read Tue, Sep 22, 2026, 3:52 PM UTC.