Alaska earthquakes

M3.0 earthquake 119 km E of Chignik, Alaska

A magnitude 3.0 earthquake struck 119 km E of Chignik, Alaska on Wed, Oct 6, 2021, 1:01 AM AKDT (09:01 UTC), 69 km (43 mi) below the surface.

A larger quake followed: M3.3 89 km SE of Ugashik, Alaska. This one was a foreshock.

Naknek 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: 3.0 (ml), minor
Local time: Wed, Oct 6, 2021, 1:01 AM AKDT
UTC: 2021-10-06 09:01:37 UTC
Depth: 69.1 km (42.9 mi), shallow
Epicenter: 56.374° N, 156.484° 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: 125

Nearest places

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

Naknek, AlaskaPopulation 544. Forecast264 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 199.

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021ctkb0mq (also filed as us6000fs8x). Read Tue, Sep 22, 2026, 9:15 PM UTC.