Alaska earthquakes

M3.0 earthquake 252 km ESE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 252 km ESE of Chiniak, Alaska on Sat, Aug 31, 2019, 12:27 AM AKDT (08:27 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: 3.0 (ml), minor
Local time: Sat, Aug 31, 2019, 12:27 AM AKDT
UTC: 2019-08-31 08:27:42 UTC
Depth: 20.3 km (12.6 mi), shallow
Epicenter: 56.521° N, 148.637° 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 9.4 km horizontally, 10.9 km in depth
Magnitude uncertainty: ±0.04
Depth from: From location
Station coverage gap: 206°, poorly surrounded by stations
Stations used: 56

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 50 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005n2u (also filed as aacse019b60iuuh, ak019b60iuuh). Read Tue, Sep 29, 2026, 12:48 AM UTC.