Alaska earthquakes

M2.8 earthquake 220 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 220 km SE of Chiniak, Alaska on Fri, Sep 6, 2019, 12:07 AM AKDT (08:07 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.0 236 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: 2.8 (ml), micro
Local time: Fri, Sep 6, 2019, 12:07 AM AKDT
UTC: 2019-09-06 08:07:22 UTC
Depth: 20.1 km (12.5 mi), shallow
Epicenter: 56.136° N, 149.879° 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 8.7 km horizontally, 11.3 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 229°, poorly surrounded by stations
Stations used: 32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 59 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60005l60 (also filed as ak019bfxmfsd). Read Wed, Sep 23, 2026, 4:44 PM UTC.