Alaska earthquakes

M3.5 earthquake 242 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 242 km SE of Chiniak, Alaska on Thu, Jul 28, 2022, 12:43 AM AKDT (08:43 UTC), 10 km (6 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.5 (ml), minor
Local time: Thu, Jul 28, 2022, 12:43 AM AKDT
UTC: 2022-07-28 08:43:40 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.146° N, 149.347° 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 8.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 192°, poorly surrounded by stations
Stations used: 135

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 24 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000i646 (also filed as ak0229lscb9y). Read Sat, Sep 26, 2026, 10:47 PM UTC.