Alaska earthquakes

M2.6 earthquake 215 km SE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 215 km SE of Chiniak, Alaska on Wed, Aug 29, 2018, 3:30 PM AKDT (23:30 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M2.7 210 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: 2.6 (ml), micro
Local time: Wed, Aug 29, 2018, 3:30 PM AKDT
UTC: 2018-08-29 23:30:08 UTC
Depth: 20.5 km (12.7 mi), shallow
Epicenter: 56.264° N, 149.737° 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 8.3 km horizontally, 11.1 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 262°, poorly surrounded by stations
Stations used: 18

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 us1000h5zg (also filed as ak20269726, ak018b2ye26v, aacse018b2ye26v). Read Tue, Sep 22, 2026, 8:22 AM UTC.