Alaska earthquakes

M3.2 earthquake 82 km S of False Pass, Alaska

A magnitude 3.2 earthquake struck 82 km S of False Pass, Alaska on Wed, Sep 23, 2020, 12:34 AM AKDT (08:34 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M4.0 163 km S of False Pass, 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: 3.2 (ml), minor
Local time: Wed, Sep 23, 2020, 12:34 AM AKDT
UTC: 2020-09-23 08:34:29 UTC
Depth: 28.6 km (17.8 mi), shallow
Epicenter: 54.124° N, 163.203° 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 2.7 km horizontally, 11.4 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 193°, poorly surrounded by stations
Stations used: 28

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast119 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 97.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000c4hx (also filed as ak020c9pghri). Read Fri, Sep 25, 2026, 11:34 PM UTC.