Alaska earthquakes

M3.2 earthquake 226 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 226 km SE of Chiniak, Alaska on Mon, Aug 24, 2020, 10:27 PM AKDT (06:27 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 205 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: 3.2 (ml), minor
Local time: Mon, Aug 24, 2020, 10:27 PM AKDT
UTC: 2020-08-25 06:27:34 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.375° N, 149.318° 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 8.4 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 230°, poorly surrounded by stations
Stations used: 59

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 39 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bq8x (also filed as ak020axpn2d2). Read Sun, Sep 27, 2026, 2:35 AM UTC.