Alaska earthquakes

M3.6 earthquake 253 km SE of Chiniak, Alaska

A magnitude 3.6 earthquake struck 253 km SE of Chiniak, Alaska on Mon, Jan 29, 2018, 10:11 PM AKST (07:11 UTC), 22 km (14 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: 3.6 (ml), minor
Local time: Mon, Jan 29, 2018, 10:11 PM AKST
UTC: 2018-01-30 07:11:01 UTC
Depth: 22.4 km (13.9 mi), shallow
Epicenter: 56.021° N, 149.300° 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 8.3 km horizontally, 10.3 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 193°, poorly surrounded by stations
Stations used: 56

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 us2000cyl2 (also filed as ak0181dqct9p, ak18413312). Read Mon, Sep 28, 2026, 4:10 PM UTC.