Alaska earthquakes

M2.9 earthquake 263 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 263 km SE of Chiniak, Alaska on Fri, Aug 31, 2018, 1:16 PM AKDT (21:16 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.1 287 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
2.9 (ml), micro
Local time
UTC
2018-08-31 21:16:33 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
56.041° N, 149.044° 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
24

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 aacse018b686xq3. Read Tue, Sep 22, 2026, 7:26 AM UTC.