Alaska earthquakes

M3.2 earthquake 218 km SSE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 218 km SSE of Chiniak, Alaska on Sun, Jan 28, 2018, 1:54 AM AKST (10:54 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M5.1 233 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: 3.2 (ml), minor
Local time: Sun, Jan 28, 2018, 1:54 AM AKST
UTC: 2018-01-28 10:54:26 UTC
Depth: 6.8 km (4.3 mi), shallow
Epicenter: 55.953° N, 150.380° 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, 8.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 214°, poorly surrounded by stations
Stations used: 38

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 us1000ch8h (also filed as ak0181ahbox5, ak18360157). Read Mon, Sep 28, 2026, 10:12 AM UTC.