Alaska earthquakes

M2.9 earthquake 263 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 263 km SE of Chiniak, Alaska on Wed, Feb 26, 2020, 9:43 PM AKST (06:43 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M5.2 250 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: 2.9 (ml), micro
Local time: Wed, Feb 26, 2020, 9:43 PM AKST
UTC: 2020-02-27 06:43:31 UTC
Depth: 10.5 km (6.5 mi), shallow
Epicenter: 55.935° N, 149.230° 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 2.4 km horizontally, 8.2 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 200°, poorly surrounded by stations
Stations used: 71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 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 us60008b7w (also filed as ak0202o107tk). Read Fri, Sep 25, 2026, 8:23 PM UTC.