Alaska earthquakes

M4.4 earthquake 241 km SE of Chiniak, Alaska

A magnitude 4.4 earthquake struck 241 km SE of Chiniak, Alaska on Wed, Jan 24, 2018, 8:50 AM AKST (17:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 254 km SE 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: 4.4 (mb), light
Local time: Wed, Jan 24, 2018, 8:50 AM AKST
UTC: 2018-01-24 17:50:45 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.348° N, 149.060° 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 6.2 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.20
Depth from: Operator assigned
Station coverage gap: 155°
Stations used: 87

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 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 200.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000cnu5 (also filed as ak01813zbini, ak18192842). Read Tue, Sep 29, 2026, 10:00 AM UTC.