Alaska earthquakes

M3.1 earthquake 228 km SE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 228 km SE of Chiniak, Alaska on Fri, Mar 1, 2019, 10:18 AM AKST (19:18 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.8 232 km SE of Chiniak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.1 (ml), minor
Local time: Fri, Mar 1, 2019, 10:18 AM AKST
UTC: 2019-03-01 19:18:45 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 55.978° N, 150.021° 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, 9.2 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 251°, poorly surrounded by stations
Stations used: 22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 101 in the 30 days before it.

After

The first 60 of 194.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jk25 (also filed as aacse0192rjo0s2, ak0192rjo0s2). Read Tue, Sep 29, 2026, 11:49 PM UTC.