Alaska earthquakes

M3.7 earthquake 247 km SE of Chiniak, Alaska

A magnitude 3.7 earthquake struck 247 km SE of Chiniak, Alaska on Thu, Apr 4, 2019, 4:19 AM AKDT (12:19 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M3.9 234 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: 3.7 (ml), minor
Local time: Thu, Apr 4, 2019, 4:19 AM AKDT
UTC: 2019-04-04 12:19:19 UTC
Depth: 18.9 km (11.7 mi), shallow
Epicenter: 56.371° N, 148.897° 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 12.0 km horizontally, 11.1 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 242°, poorly surrounded by stations
Stations used: 19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 165.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000ka71 (also filed as aacse0194bnrxtl, ak0194bnrxtl). Read Wed, Sep 23, 2026, 4:46 AM UTC.