Alaska earthquakes

M2.9 earthquake 235 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 235 km SE of Chiniak, Alaska on Mon, Sep 3, 2018, 3:28 AM AKDT (11:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.0 211 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: 2.9 (ml), micro
Local time: Mon, Sep 3, 2018, 3:28 AM AKDT
UTC: 2018-09-03 11:28:39 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.895° N, 150.018° 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: 64

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 ak018bb0x88i (also filed as aacse018bb0x88i). Read Tue, Sep 22, 2026, 9:19 PM UTC.