Alaska earthquakes

M2.9 earthquake 217 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 217 km SE of Chiniak, Alaska on Wed, Apr 7, 2021, 2:12 PM AKDT (22:12 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.3 259 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: Wed, Apr 7, 2021, 2:12 PM AKDT
UTC: 2021-04-07 22:12:42 UTC
Depth: 20.9 km (13.0 mi), shallow
Epicenter: 56.225° N, 149.758° 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 9.6 km horizontally, 11.6 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 243°, poorly surrounded by stations
Stations used: 31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 44 in the 60 days after this one and 21 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000dxlz (also filed as ak0214gsb1w7). Read Thu, Sep 24, 2026, 8:43 AM UTC.