Alaska earthquakes

M2.7 earthquake 279 km ESE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 279 km ESE of Chiniak, Alaska on Sun, Feb 5, 2023, 6:06 AM AKST (15:06 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.8 277 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: 2.7 (ml), micro
Local time: Sun, Feb 5, 2023, 6:06 AM AKST
UTC: 2023-02-05 15:06:36 UTC
Depth: 19.4 km (12.0 mi), shallow
Epicenter: 56.375° N, 148.282° 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, 8.4 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 231°, poorly surrounded by stations
Stations used: 15

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 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jp9d (also filed as ak0231nsbd8j). Read Sat, Sep 26, 2026, 8:52 AM UTC.