Alaska earthquakes

M2.8 earthquake 266 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 266 km ESE of Chiniak, Alaska on Tue, May 29, 2018, 3:37 AM AKDT (11:37 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 256 km ESE 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: 2.8 (ml), micro
Local time: Tue, May 29, 2018, 3:37 AM AKDT
UTC: 2018-05-29 11:37:40 UTC
Depth: 6.8 km (4.2 mi), shallow
Epicenter: 56.337° N, 148.578° 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.

Stations used: 31

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 ak0186uluhvz (also filed as aacse0186uluhvz). Read Tue, Sep 22, 2026, 9:13 AM UTC.