Alaska earthquakes

M3.5 earthquake 262 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 262 km SE of Chiniak, Alaska on Tue, Apr 23, 2019, 2:06 AM AKDT (10:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 213 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, Apr 23, 2019, 2:06 AM AKDT
UTC: 2019-04-23 10:06:45 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.255° N, 148.751° 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, 2.0 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 234°, poorly surrounded by stations
Stations used: 34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 143 in the 60 days after this one and 56 in the 30 days before it.

After

The first 60 of 143.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003als (also filed as aacse019571pxw7, ak019571pxw7). Read Tue, Sep 22, 2026, 11:24 PM UTC.