Alaska earthquakes

M2.9 earthquake 250 km ESE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 250 km ESE of Chiniak, Alaska on Sun, Jun 24, 2018, 11:12 PM AKDT (07:12 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.8 260 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: 2.9 (ml), micro
Local time: Sun, Jun 24, 2018, 11:12 PM AKDT
UTC: 2018-06-25 07:12:15 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.527° N, 148.671° 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 6.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 214°, poorly surrounded by stations
Stations used: 73

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 us2000frs1 (also filed as ak19811653, aacse018836tq88, ak018836tq88). Read Mon, Sep 21, 2026, 8:53 PM UTC.