Alaska earthquakes

M2.8 earthquake 265 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 265 km SE of Chiniak, Alaska on Sat, Sep 8, 2018, 12:45 AM AKDT (08:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.9 250 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: 2.8 (ml), micro
Local time: Sat, Sep 8, 2018, 12:45 AM AKDT
UTC: 2018-09-08 08:45:48 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.923° N, 149.220° 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: 47

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018bj8xbs3 (also filed as aacse018bj8xbs3). Read Mon, Sep 28, 2026, 7:28 PM UTC.