M4.3 earthquake 15 km SSW of Karluk, Alaska
A magnitude 4.3 earthquake struck 15 km SSW of Karluk, Alaska on Wed, Feb 23, 1983, 4:45 AM GMT-10 (14:45 UTC), 92 km (57 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1983-02-23 14:45:45 UTC
- Depth
- 92.3 km (57.4 mi), intermediate-depth
- Epicenter
- 57.441° N, 154.565° 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.
- Depth from
- FROM_LOCATION
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 usp0001t9b. Read Tue, Sep 22, 2026, 9:38 AM UTC.