Alaska earthquakes

M2.6 earthquake 255 km ESE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 255 km ESE of Chiniak, Alaska on Tue, Sep 4, 2018, 5:08 PM AKDT (01:08 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.9 249 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: 2.6 (ml), micro
Local time: Tue, Sep 4, 2018, 5:08 PM AKDT
UTC: 2018-09-05 01:08:50 UTC
Depth: 12.0 km (7.5 mi), shallow
Epicenter: 56.389° N, 148.720° 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: 29

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 ak018be5xbnt (also filed as aacse018be5xbnt). Read Tue, Sep 22, 2026, 7:57 AM UTC.