Alaska earthquakes

M3.2 earthquake 247 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 247 km SE of Chiniak, Alaska on Tue, Apr 4, 2023, 12:10 PM AKDT (20:10 UTC), 15 km (10 mi) below the surface.

A larger quake followed: M3.6 247 km SE of Chiniak, Alaska. This one was a foreshock.

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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: Tue, Apr 4, 2023, 12:10 PM AKDT
UTC: 2023-04-04 20:10:13 UTC
Depth: 15.4 km (9.6 mi), shallow
Epicenter: 56.122° N, 149.269° 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 6.8 km horizontally, 8.3 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 197°, poorly surrounded by stations
Stations used: 32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 19 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k3uu (also filed as ak0234bshgyf). Read Sun, Sep 27, 2026, 6:13 AM UTC.