Alaska earthquakes

M3.0 earthquake 294 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 294 km SE of Chiniak, Alaska on Thu, Apr 27, 2023, 3:32 AM AKDT (11:32 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.3 245 km SE of Chiniak, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 3.0 (ml), minor
Local time: Thu, Apr 27, 2023, 3:32 AM AKDT
UTC: 2023-04-27 11:32:35 UTC
Depth: 15.6 km (9.7 mi), shallow
Epicenter: 55.651° N, 149.051° 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 9.9 km horizontally, 8.5 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 204°, poorly surrounded by stations
Stations used: 30

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 10 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 us7000jwcv (also filed as ak0235dombim). Read Wed, Sep 30, 2026, 7:47 PM UTC.