Alaska earthquakes

M2.9 earthquake 212 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 212 km SE of Chiniak, Alaska on Thu, Dec 14, 2023, 1:43 AM AKST (10:43 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.3 205 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: 2.9 (ml), micro
Local time: Thu, Dec 14, 2023, 1:43 AM AKST
UTC: 2023-12-14 10:43:51 UTC
Depth: 15.2 km (9.4 mi), shallow
Epicenter: 56.136° N, 150.072° 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 10.6 km horizontally, 9.2 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 240°, poorly surrounded by stations
Stations used: 29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 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 us6000m03t (also filed as ak023fzp8frs). Read Tue, Sep 29, 2026, 9:40 AM UTC.