Alaska earthquakes

M3.5 earthquake 239 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 239 km SE of Chiniak, Alaska on Tue, Mar 5, 2019, 4:48 AM AKST (13:48 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M3.6 243 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: 3.5 (ml), minor
Local time: Tue, Mar 5, 2019, 4:48 AM AKST
UTC: 2019-03-05 13:48:17 UTC
Depth: 20.0 km (12.4 mi), shallow
Epicenter: 56.242° N, 149.246° 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 9.6 km horizontally, 10.9 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 231°, poorly surrounded by stations
Stations used: 46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 12 in the 30 days before it.

After

The first 60 of 187.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jau3 (also filed as aacse0192y2f6bg, ak0192y2f6bg). Read Tue, Sep 22, 2026, 4:24 PM UTC.