Alaska earthquakes

M3.2 earthquake 239 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 239 km SE of Chiniak, Alaska on Sun, Jul 29, 2018, 4:17 AM AKDT (12:17 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.5 256 km SE of Chiniak, Alaska. This one was a foreshock.

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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: 3.2 (ml), minor
Local time: Sun, Jul 29, 2018, 4:17 AM AKDT
UTC: 2018-07-29 12:17:10 UTC
Depth: 21.9 km (13.6 mi), shallow
Epicenter: 56.150° N, 149.387° 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 3.8 km horizontally, 10.6 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 191°, poorly surrounded by stations
Stations used: 63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000g2q3 (also filed as ak0189ni3r5p, ak20004612, aacse0189ni3r5p). Read Tue, Sep 22, 2026, 8:43 AM UTC.