Alaska earthquakes

M2.9 earthquake 231 km SSE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 231 km SSE of Chiniak, Alaska on Sat, Sep 29, 2018, 6:52 PM AKDT (02:52 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.0 255 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
2018-09-30 02:52:10 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
55.896° N, 150.142° 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
43

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 aacse018cjj7s2b. Read Tue, Sep 22, 2026, 8:44 PM UTC.