Alaska earthquakes

M3.2 earthquake 244 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 244 km SE of Chiniak, Alaska on Sun, Aug 13, 2023, 6:59 AM AKDT (14:59 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 218 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: Sun, Aug 13, 2023, 6:59 AM AKDT
UTC: 2023-08-13 14:59:53 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.246° N, 149.136° 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 8.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 201°, poorly surrounded by stations
Stations used: 25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kr2h (also filed as ak023accumc9). Read Mon, Sep 28, 2026, 7:25 AM UTC.