Alaska earthquakes

M2.4 earthquake 230 km SE of Chiniak, Alaska

A magnitude 2.4 earthquake struck 230 km SE of Chiniak, Alaska on Sat, Sep 8, 2018, 11:37 PM AKDT (07:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.9 231 km SSE 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: 2.4 (ml), micro
Local time: Sat, Sep 8, 2018, 11:37 PM AKDT
UTC: 2018-09-09 07:37:43 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.079° N, 149.728° 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: 22

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 ak018bkvtijl (also filed as aacse018bkvtijl). Read Tue, Sep 22, 2026, 6:59 AM UTC.