Alaska earthquakes

M3.1 earthquake 254 km SE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 254 km SE of Chiniak, Alaska on Thu, Sep 26, 2019, 1:15 AM AKDT (09:15 UTC), 21 km (13 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: 3.1 (ml), minor
Local time: Thu, Sep 26, 2019, 1:15 AM AKDT
UTC: 2019-09-26 09:15:16 UTC
Depth: 21.4 km (13.3 mi), shallow
Epicenter: 56.050° N, 149.230° 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 6.4 km horizontally, 9.2 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 193°, poorly surrounded by stations
Stations used: 33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 32 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005rg2 (also filed as ak019cd10rfi). Read Sun, Sep 27, 2026, 1:18 PM UTC.