Alaska earthquakes

M2.7 earthquake 229 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 229 km SE of Chiniak, Alaska on Wed, Jun 6, 2018, 6:39 PM AKDT (02:39 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 228 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, Jun 6, 2018, 6:39 PM AKDT
UTC: 2018-06-07 02:39:46 UTC
Depth: 5.3 km (3.3 mi), shallow
Epicenter: 55.961° N, 150.029° 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 8.0 km horizontally, 8.3 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 217°, poorly surrounded by stations
Stations used: 45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000esug (also filed as ak19722497, ak01879cc62y, aacse01879cc62y). Read Mon, Sep 21, 2026, 8:45 PM UTC.