Alaska earthquakes

M3.0 earthquake 119 km E of Chignik, Alaska

A magnitude 3.0 earthquake struck 119 km E of Chignik, Alaska on Mon, Oct 11, 2021, 1:30 AM AKDT (09:30 UTC), 65 km (40 mi) below the surface.

A larger quake followed: M3.6 113 km E of Chignik, Alaska. This one was a foreshock.

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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
UTC
2021-10-11 09:30:23 UTC
Depth
64.8 km (40.3 mi), shallow
Epicenter
56.176° N, 156.488° 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
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 21 in the 30 days before it.

After

The first 60 of 178.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d1u5xyx (also filed as us6000g9vr). Read Tue, Sep 22, 2026, 7:45 PM UTC.