Alaska earthquakes

M2.6 earthquake 210 km SE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 210 km SE of Chiniak, Alaska on Fri, Feb 2, 2018, 6:07 AM AKST (15:07 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.4 252 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: Fri, Feb 2, 2018, 6:07 AM AKST
UTC: 2018-02-02 15:07:32 UTC
Depth: 20.5 km (12.8 mi), shallow
Epicenter: 56.562° N, 149.384° 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.

Location uncertainty: About 7.9 km horizontally, 12.3 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 269°, poorly surrounded by stations
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: 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

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000czx4 (also filed as ak18417684, ak0181itpj0m). Read Mon, Sep 28, 2026, 1:06 PM UTC.