Alaska earthquakes

M2.7 earthquake 234 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 234 km SE of Chiniak, Alaska on Wed, Feb 14, 2018, 2:36 PM AKST (23:36 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M5.2 228 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: 2.7 (ml), micro
Local time: Wed, Feb 14, 2018, 2:36 PM AKST
UTC: 2018-02-14 23:36:18 UTC
Depth: 7.8 km (4.8 mi), shallow
Epicenter: 55.926° N, 149.972° 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 10.3 km horizontally, 9.2 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 237°, poorly surrounded by stations
Stations used: 26

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 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 us2000d6lg (also filed as ak18493536, ak01822t3cmw). Read Tue, Sep 29, 2026, 4:07 PM UTC.