Alaska earthquakes

M3.0 earthquake 257 km ESE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 257 km ESE of Chiniak, Alaska on Wed, Jun 27, 2018, 8:12 AM AKDT (16:12 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M3.2 235 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: 3.0 (ml), minor
Local time: Wed, Jun 27, 2018, 8:12 AM AKDT
UTC: 2018-06-27 16:12:52 UTC
Depth: 22.7 km (14.1 mi), shallow
Epicenter: 56.428° N, 148.633° 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 9.1 km horizontally, 11.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 217°, poorly surrounded by stations
Stations used: 32

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 us2000fu1n (also filed as ak01886n9eez, ak19832727, aacse01886n9eez). Read Mon, Sep 21, 2026, 8:59 PM UTC.