Alaska earthquakes

M3.6 earthquake 242 km ESE of Chiniak, Alaska

A magnitude 3.6 earthquake struck 242 km ESE of Chiniak, Alaska on Thu, Jul 18, 2019, 12:22 PM AKDT (20:22 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 236 km SE of Chiniak, Alaska. This one was a foreshock.

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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: 3.6 (ml), minor
Local time: Thu, Jul 18, 2019, 12:22 PM AKDT
UTC: 2019-07-18 20:22:27 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.660° N, 148.678° 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 6.5 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 219°, poorly surrounded by stations
Stations used: 41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 72 in the 30 days before it.

After

The first 60 of 89.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004nfj (also filed as aacse01995fzil5, ak01995fzil5). Read Wed, Sep 23, 2026, 4:45 AM UTC.