Alaska earthquakes

M2.4 earthquake 113 km E of Chignik, Alaska

A magnitude 2.4 earthquake struck 113 km E of Chignik, Alaska on Mon, Oct 11, 2021, 10:29 AM AKDT (18:29 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M4.5 151 km SSW of Akhiok, 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
2.4 (ml), micro
Local time
UTC
2021-10-11 18:29:45 UTC
Depth
60.5 km (37.6 mi), shallow
Epicenter
56.280° N, 156.566° 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
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 83 in the 30 days before it.

After

The first 60 of 138.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d1ziodq (also filed as us6000g9kk). Read Thu, Sep 24, 2026, 12:45 PM UTC.