M4.3 earthquake 101 km ESE of Ugashik, Alaska
A magnitude 4.3 earthquake struck 101 km ESE of Ugashik, Alaska on Fri, Feb 9, 1973, 2:34 AM GMT-10 (12:34 UTC), 103 km (64 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
- 1973-02-09 12:34:12 UTC
- Depth
- 103.0 km (64.0 mi), intermediate-depth
- Epicenter
- 57.074° N, 155.913° 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.
- Stations used
- 13
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 usp00000fj. Read Tue, Sep 22, 2026, 5:15 PM UTC.