Alaska earthquakes

M3.1 earthquake 32 km NNE of Cold Bay, Alaska

A magnitude 3.1 earthquake struck 32 km NNE of Cold Bay, Alaska on Wed, Jul 28, 2021, 9:49 PM AKDT (05:49 UTC), 171 km (106 mi) below the surface.

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: 3.1 (ml), minor
Local time: Wed, Jul 28, 2021, 9:49 PM AKDT
UTC: 2021-07-29 05:49:38 UTC
Depth: 170.8 km (106.1 mi), intermediate-depth
Epicenter: 55.442° N, 162.471° 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 6.0 km horizontally, 4.8 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 86°
Stations used: 79

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast43 kmNNW

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 22 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000f78h (also filed as ak0219ne4myo). Read Wed, Sep 23, 2026, 7:29 AM UTC.