Alaska earthquakes

M2.8 earthquake 208 km SE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 208 km SE of Chiniak, Alaska on Sun, Sep 22, 2019, 6:22 PM AKDT (02:22 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: 2.8 (ml), micro
Local time: Sun, Sep 22, 2019, 6:22 PM AKDT
UTC: 2019-09-23 02:22:41 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.184° N, 150.064° 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 10.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 312°, poorly surrounded by stations
Stations used: 12

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 40 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005nx7 (also filed as ak019c7y9zss). Read Wed, Sep 30, 2026, 11:00 AM UTC.