Alaska earthquakes

M2.5 earthquake 239 km ESE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 239 km ESE of Chiniak, Alaska on Thu, Apr 4, 2024, 12:12 AM AKDT (08:12 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 249 km ESE 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: 2.5 (ml), micro
Local time: Thu, Apr 4, 2024, 12:12 AM AKDT
UTC: 2024-04-04 08:12:58 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.750° N, 148.655° 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 8.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 237°, 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: 14 in the 60 days after this one and 6 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000mviq (also filed as ak0244d8w8c8). Read Mon, Sep 28, 2026, 11:56 AM UTC.