Alaska earthquakes

M3.7 earthquake 90 km SE of False Pass, Alaska

A magnitude 3.7 earthquake struck 90 km SE of False Pass, Alaska on Wed, Oct 27, 2021, 3:50 AM AKDT (11:50 UTC), 42 km (26 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: 3.7 (mb), minor
Local time: Wed, Oct 27, 2021, 3:50 AM AKDT
UTC: 2021-10-27 11:50:06 UTC
Depth: 42.0 km (26.1 mi), shallow
Epicenter: 54.230° N, 162.516° 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, 14.0 km in depth
Magnitude uncertainty: ±0.16
Depth from: From location
Station coverage gap: 170°
Stations used: 87

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast93 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 106.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fp64 (also filed as ak021dsc2m4z). Read Wed, Sep 23, 2026, 3:52 PM UTC.