Alaska earthquakes

M3.3 earthquake 279 km SE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 279 km SE of Chiniak, Alaska on Thu, Jun 7, 2018, 8:10 AM AKDT (16:10 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.5 252 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: 3.3 (ml), minor
Local time: Thu, Jun 7, 2018, 8:10 AM AKDT
UTC: 2018-06-07 16:10:17 UTC
Depth: 7.5 km (4.7 mi), shallow
Epicenter: 55.909° N, 148.914° 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 5.3 km horizontally, 7.5 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 182°, poorly surrounded by stations
Stations used: 121

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 us1000esva (also filed as ak19725623, aacse01879khyl7, ak01879khyl7). Read Mon, Sep 21, 2026, 8:45 PM UTC.