Alaska earthquakes

M2.8 earthquake 282 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 282 km ESE of Chiniak, Alaska on Fri, Sep 6, 2019, 7:30 AM AKDT (15:30 UTC), 20 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: 2.8 (ml), micro
Local time: Fri, Sep 6, 2019, 7:30 AM AKDT
UTC: 2019-09-06 15:30:38 UTC
Depth: 20.1 km (12.5 mi), shallow
Epicenter: 56.357° N, 148.246° 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 10.1 km horizontally, 11.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 238°, poorly surrounded by stations
Stations used: 29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 43 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005d1g (also filed as ak019bg1xgg6). Read Mon, Sep 28, 2026, 10:23 AM UTC.