Alaska earthquakes

M2.9 earthquake 263 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 263 km SE of Chiniak, Alaska on Sat, Jun 23, 2018, 5:17 AM AKDT (13:17 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.0 274 km SE of Chiniak, Alaska. This one was a foreshock.

Kodiak forecast More in Alaska

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: Sat, Jun 23, 2018, 5:17 AM AKDT
UTC: 2018-06-23 13:17:49 UTC
Depth: 8.5 km (5.3 mi), shallow
Epicenter: 55.784° N, 149.543° 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 9.5 km horizontally, 8.2 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 211°, poorly surrounded by stations
Stations used: 36

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Kodiak, AlaskaPopulation 6,253. Forecast283 kmSE

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 us2000fpkv (also filed as ak0187zzcs12, ak19796139, aacse0187zzcs12). Read Mon, Sep 21, 2026, 11:34 PM UTC.