Alaska earthquakes

M2.7 earthquake 77 km ESE of King Cove, Alaska

A magnitude 2.7 earthquake struck 77 km ESE of King Cove, Alaska on Mon, May 31, 2021, 10:40 AM AKDT (18:40 UTC), 34 km (21 mi) below the surface.

A larger quake followed: M3.8 97 km SSE 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, May 31, 2021, 10:40 AM AKDT
UTC: 2021-05-31 18:40:57 UTC
Depth: 34.1 km (21.2 mi), shallow
Epicenter: 54.704° N, 161.287° 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 4.8 km horizontally, 6.1 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 174°
Stations used: 39

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast77 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 125 in the 60 days after this one and 26 in the 30 days before it.

After

The first 60 of 125.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000eba4 (also filed as ak0216y13wb0). Read Wed, Sep 23, 2026, 9:18 PM UTC.