Alaska earthquakes

M2.7 earthquake 249 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 249 km SE of Chiniak, Alaska on Sat, Jan 27, 2018, 3:44 PM AKST (00:44 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M5.1 233 km SE of Chiniak, Alaska. This one was a foreshock.

Kodiak forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sat, Jan 27, 2018, 3:44 PM AKST
UTC: 2018-01-28 00:44:31 UTC
Depth: 8.4 km (5.2 mi), shallow
Epicenter: 55.794° N, 149.908° 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 7.6 km horizontally, 8.1 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 217°, poorly surrounded by stations
Stations used: 13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Kodiak, AlaskaPopulation 6,253. Forecast269 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ch49 (also filed as ak18360042, ak0181abb87m). Read Mon, Sep 28, 2026, 4:10 PM UTC.