Alaska earthquakes

M2.8 earthquake 260 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 260 km SE of Chiniak, Alaska on Tue, Oct 2, 2018, 11:04 AM AKDT (19:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 227 km SSE 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
2.8 (ml), micro
Local time
UTC
2018-10-02 19:04:13 UTC
Depth
10.2 km (6.3 mi), shallow
Epicenter
55.813° N, 149.571° 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
32

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 aacse018cn44k6l. Read Tue, Sep 22, 2026, 10:45 AM UTC.