Alaska earthquakes

M2.8 earthquake 119 km E of Chignik, Alaska

A magnitude 2.8 earthquake struck 119 km E of Chignik, Alaska on Mon, Oct 11, 2021, 2:25 AM AKDT (10:25 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M4.5 151 km SSW of Akhiok, 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: Mon, Oct 11, 2021, 2:25 AM AKDT
UTC: 2021-10-11 10:25:36 UTC
Depth: 67.2 km (41.8 mi), shallow
Epicenter: 56.194° N, 156.489° 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: 47

Nearest places

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

Sand Point, AlaskaPopulation 1,064. Forecast268 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 164.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d1uqbzq (also filed as us6000ftq4). Read Mon, Sep 28, 2026, 9:48 PM UTC.