Alaska earthquakes

M3.0 earthquake 72 km SE of King Cove, Alaska

A magnitude 3.0 earthquake struck 72 km SE of King Cove, Alaska on Tue, Feb 23, 2021, 11:03 AM AKST (20:03 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M4.6 32 km S of Sand Point, Alaska. This one was a foreshock.

King Cove 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: Tue, Feb 23, 2021, 11:03 AM AKST
UTC: 2021-02-23 20:03:56 UTC
Depth: 30.4 km (18.9 mi), shallow
Epicenter: 54.640° N, 161.457° 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 4.1 km horizontally, 6.9 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 178°
Stations used: 68

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast72 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 168 in the 60 days after this one and 101 in the 30 days before it.

After

The first 60 of 168.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000di4y (also filed as ak0212hmy67j). Read Wed, Sep 30, 2026, 9:33 PM UTC.