Alaska earthquakes

M2.5 earthquake 281 km ESE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 281 km ESE of Chiniak, Alaska on Sun, Sep 9, 2018, 6:43 PM AKDT (02:43 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.8 283 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
2.5 (ml), micro
Local time
UTC
2018-09-10 02:43:18 UTC
Depth
8.3 km (5.2 mi), shallow
Epicenter
56.300° N, 148.324° 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
36

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 aacse018bmgexec. Read Mon, Sep 21, 2026, 7:55 PM UTC.