Alaska earthquakes

M4.7 earthquake 247 km SE of Chiniak, Alaska

A magnitude 4.7 earthquake struck 247 km SE of Chiniak, Alaska on Fri, Jul 13, 2018, 1:32 PM AKDT (21:32 UTC), 10 km (6 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 4.7 (mb), light
Local time: Fri, Jul 13, 2018, 1:32 PM AKDT
UTC: 2018-07-13 21:32:53 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.081° N, 149.347° 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 6.1 km horizontally, 1.8 km in depth
Magnitude uncertainty: ±0.03
Depth from: Operator assigned
Station coverage gap: 89°
Stations used: 177

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 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 us2000g4lk (also filed as ak19864320, aacse0188x6yewm, ak0188x6yewm). Read Tue, Sep 22, 2026, 3:57 PM UTC.