Alaska earthquakes

M3.2 earthquake 235 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 235 km SE of Chiniak, Alaska on Sat, Mar 28, 2020, 8:52 PM AKDT (04:52 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 229 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: 3.2 (ml), minor
Local time: Sat, Mar 28, 2020, 8:52 PM AKDT
UTC: 2020-03-29 04:52:48 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.932° N, 149.946° 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 8.8 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: 38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 23 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70008i4l (also filed as ak020439j12h). Read Mon, Sep 28, 2026, 10:33 PM UTC.