Alaska earthquakes

M2.8 earthquake 230 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 230 km SE of Chiniak, Alaska on Sun, Jun 10, 2018, 4:41 AM AKDT (12:41 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.2 245 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: 2.8 (ml), micro
Local time: Sun, Jun 10, 2018, 4:41 AM AKDT
UTC: 2018-06-10 12:41:47 UTC
Depth: 21.1 km (13.1 mi), shallow
Epicenter: 56.354° N, 149.277° 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 3.9 km horizontally, 10.7 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 211°, poorly surrounded by stations
Stations used: 61

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 us1000evzw (also filed as ak19784206, ak0187egwz07, aacse0187egwz07). Read Tue, Sep 22, 2026, 6:24 AM UTC.