Alaska earthquakes

M4.2 earthquake 66 km WNW of Beluga, Alaska

A magnitude 4.2 earthquake struck 66 km WNW of Beluga, Alaska on Wed, Jul 20, 1983, 7:07 AM GMT-9 (16:07 UTC), 136 km (85 mi) below the surface.

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The earthquake

Magnitude
4.2 (mb), light
Local time
UTC
1983-07-20 16:07:37 UTC
Depth
136.2 km (84.6 mi), intermediate-depth
Epicenter
61.465° N, 152.129° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001wyu. Read Tue, Sep 22, 2026, 9:18 PM UTC.