Alaska earthquakes

M2.7 earthquake 83 km SE of King Cove, Alaska

A magnitude 2.7 earthquake struck 83 km SE of King Cove, Alaska on Mon, Feb 1, 2021, 11:17 AM AKST (20:17 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.8 75 km ESE of King Cove, 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: 2.7 (ml), micro
Local time: Mon, Feb 1, 2021, 11:17 AM AKST
UTC: 2021-02-01 20:17:06 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 54.601° N, 161.298° 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 4.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: Operator assigned
Station coverage gap: 192°, poorly surrounded by stations
Stations used: 27

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast83 kmSE

Nearby

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

After

The first 60 of at least 200.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000di98 (also filed as ak0211h97fi0). Read Sun, Sep 27, 2026, 9:27 AM UTC.