Alaska earthquakes

M2.5 earthquake 60 km SSE of False Pass, Alaska

A magnitude 2.5 earthquake struck 60 km SSE of False Pass, Alaska on Wed, Mar 29, 2023, 4:01 AM AKDT (12:01 UTC), 53 km (33 mi) below the surface.

A larger quake followed: M4.2 Alaska Peninsula. 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: 2.5 (ml), micro
Local time: Wed, Mar 29, 2023, 4:01 AM AKDT
UTC: 2023-03-29 12:01:00 UTC
Depth: 53.5 km (33.2 mi), shallow
Epicenter: 54.362° N, 163.000° 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, 20.3 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 199°, poorly surrounded by stations
Stations used: 44

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast89 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 54 in the 30 days before it.

After

The first 60 of 170.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k2ne (also filed as ak02341qfygh). Read Sun, Sep 27, 2026, 5:45 PM UTC.