Alaska earthquakes

M3.8 earthquake 272 km ESE of Chiniak, Alaska

A magnitude 3.8 earthquake struck 272 km ESE of Chiniak, Alaska on Thu, Aug 22, 2019, 2:44 PM AKDT (22:44 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 273 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: 3.8 (ml), minor
Local time: Thu, Aug 22, 2019, 2:44 PM AKDT
UTC: 2019-08-22 22:44:13 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.396° N, 148.387° 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 6.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 189°, poorly surrounded by stations
Stations used: 183

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 40 in the 30 days before it.

After

The first 60 of 68.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us700057bj (also filed as aacse019ard47f1, ak019ard47f1). Read Sun, Sep 27, 2026, 11:42 AM UTC.