Alaska earthquakes

M3.3 earthquake 243 km SE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 243 km SE of Chiniak, Alaska on Fri, Mar 1, 2019, 10:21 AM AKST (19:21 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.6 233 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: 3.3 (ml), minor
Local time: Fri, Mar 1, 2019, 10:21 AM AKST
UTC: 2019-03-01 19:21:21 UTC
Depth: 8.9 km (5.6 mi), shallow
Epicenter: 55.860° N, 149.891° 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 8.5 km horizontally, 8.3 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 203°, poorly surrounded by stations
Stations used: 50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 6 in the 30 days before it.

After

The first 60 of 193.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jk20 (also filed as aacse0192rjombe, ak0192rjooln). Read Tue, Sep 22, 2026, 3:25 PM UTC.