Alaska earthquakes

M3.2 earthquake 262 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 262 km SE of Chiniak, Alaska on Thu, Aug 9, 2018, 7:12 AM AKDT (15:12 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 227 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: 3.2 (ml), minor
Local time: Thu, Aug 9, 2018, 7:12 AM AKDT
UTC: 2018-08-09 15:12:12 UTC
Depth: 7.0 km (4.3 mi), shallow
Epicenter: 55.889° N, 149.339° 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 9.9 km horizontally, 8.8 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 216°, poorly surrounded by stations
Stations used: 46

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 us1000gar3 (also filed as ak20106725, aacse018a5qrt17, ak018a5qrt17). Read Tue, Sep 22, 2026, 3:19 AM UTC.