Alaska earthquakes

M5.0 earthquake 44 km E of Chenega, Alaska

A magnitude 5.0 earthquake struck 44 km E of Chenega, Alaska on Tue, Aug 9, 1983, 6:58 AM GMT-9 (15:58 UTC), 28 km (18 mi) below the surface.

A larger quake followed: M6.4 46 km WNW of Tatitlek, Alaska. This one was a foreshock.

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1983-08-09 15:58:21 UTC
Depth
28.3 km (17.6 mi), shallow
Epicenter
60.121° N, 147.216° 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 2.0 and up: 27 in the 60 days after this one and 18 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001xj4. Read Tue, Sep 22, 2026, 10:32 PM UTC.