Alaska earthquakes

M4.2 earthquake 239 km SE of Chiniak, Alaska

A magnitude 4.2 earthquake struck 239 km SE of Chiniak, Alaska on Sat, Jun 8, 2019, 6:50 AM AKDT (14:50 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.3 217 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: 4.2 (mb), light
Local time: Sat, Jun 8, 2019, 6:50 AM AKDT
UTC: 2019-06-08 14:50:59 UTC
Depth: 19.9 km (12.4 mi), shallow
Epicenter: 56.055° N, 149.574° 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 3.3 km horizontally, 8.2 km in depth
Magnitude uncertainty: ±0.37
Depth from: From location
Station coverage gap: 175°
Stations used: 61

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 149.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003x8a (also filed as aacse0197b73388, ak0197b73388). Read Thu, Sep 24, 2026, 4:12 AM UTC.