Alaska earthquakes

M2.8 earthquake 251 km ESE of Chiniak, Alaska

A magnitude 2.8 earthquake struck 251 km ESE of Chiniak, Alaska on Wed, Aug 14, 2019, 9:48 PM AKDT (05:48 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.9 236 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: Wed, Aug 14, 2019, 9:48 PM AKDT
UTC: 2019-08-15 05:48:04 UTC
Depth: 20.3 km (12.6 mi), shallow
Epicenter: 56.568° N, 148.603° 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, 11.6 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 233°, 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: 65 in the 60 days after this one and 51 in the 30 days before it.

After

The first 60 of 65.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600055ec (also filed as aacse019afi991d, ak019afi9bew). Read Wed, Sep 23, 2026, 5:31 AM UTC.