Alaska earthquakes

M3.4 earthquake 277 km SE of Chiniak, Alaska

A magnitude 3.4 earthquake struck 277 km SE of Chiniak, Alaska on Sat, Mar 2, 2019, 11:54 PM AKST (08:54 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.2 258 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: 3.4 (ml), minor
Local time: Sat, Mar 2, 2019, 11:54 PM AKST
UTC: 2019-03-03 08:54:31 UTC
Depth: 20.0 km (12.5 mi), shallow
Epicenter: 56.123° N, 148.626° 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 6.5 km horizontally, 10.1 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 191°, poorly surrounded by stations
Stations used: 136

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 us1000ja34 (also filed as aacse0192uoeml1, ak0192uoeml1). Read Tue, Sep 22, 2026, 11:26 PM UTC.