Alaska earthquakes

M2.8 earthquake 163 km SE of Chignik, Alaska

A magnitude 2.8 earthquake struck 163 km SE of Chignik, Alaska on Tue, Aug 24, 2021, 7:50 PM AKDT (03:50 UTC), 33 km (20 mi) below the surface.

A larger quake followed: M3.0 158 km SE 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: 2.8 (ml), micro
Local time: Tue, Aug 24, 2021, 7:50 PM AKDT
UTC: 2021-08-25 03:50:27 UTC
Depth: 32.7 km (20.3 mi), shallow
Epicenter: 55.180° N, 156.716° 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: 27

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast240 kmE

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 97 in the 30 days before it.

After

The first 60 of 102.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021aw0gbsb (also filed as us7000fa5f). Read Tue, Sep 22, 2026, 9:15 PM UTC.