Alaska earthquakes

M3.3 earthquake 222 km SE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 222 km SE of Chiniak, Alaska on Wed, Oct 16, 2019, 6:26 PM AKDT (02:26 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.6 239 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: 3.3 (ml), minor
Local time: Wed, Oct 16, 2019, 6:26 PM AKDT
UTC: 2019-10-17 02:26:01 UTC
Depth: 22.3 km (13.9 mi), shallow
Epicenter: 56.106° N, 149.876° 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 7.2 km horizontally, 10.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 211°, poorly surrounded by stations
Stations used: 76

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 30 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005v0k (also filed as ak019dbn731j). Read Tue, Sep 29, 2026, 2:28 PM UTC.