Alaska earthquakes

M3.0 earthquake 113 km SE of King Cove, Alaska

A magnitude 3.0 earthquake struck 113 km SE of King Cove, Alaska on Sat, Jan 23, 2021, 10:27 AM AKST (19:27 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.1 111 km S of Sand Point, Alaska. This one was a foreshock.

King Cove forecast More in Alaska

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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: Sat, Jan 23, 2021, 10:27 AM AKST
UTC: 2021-01-23 19:27:47 UTC
Depth: 2.7 km (1.7 mi), shallow
Epicenter: 54.241° N, 161.261° 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.

Location uncertainty: About 2.3 km horizontally, 7.4 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 228°, poorly surrounded by stations
Stations used: 22

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast114 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000detd (also filed as ak02112cu398). Read Thu, Sep 24, 2026, 5:04 AM UTC.