Alaska earthquakes

M2.9 earthquake 250 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 250 km SE of Chiniak, Alaska on Sun, May 13, 2018, 2:37 AM AKDT (10:37 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.8 272 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: 2.9 (ml), micro
Local time: Sun, May 13, 2018, 2:37 AM AKDT
UTC: 2018-05-13 10:37:32 UTC
Depth: 20.4 km (12.7 mi), shallow
Epicenter: 56.346° N, 148.882° 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 4.5 km horizontally, 9.9 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 193°, poorly surrounded by stations
Stations used: 58

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 us1000e7di (also filed as ak19628189, aacse018644nhyq, ak018644nhyq). Read Tue, Sep 22, 2026, 9:15 PM UTC.