M4.6 earthquake 224 km SSW of Adak, Alaska
A magnitude 4.6 earthquake struck 224 km SSW of Adak, Alaska on Mon, Feb 12, 1973, 1:12 AM GMT-11 (12:12 UTC), 24 km (15 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1973-02-12 12:12:24 UTC
- Depth
- 24.0 km (14.9 mi), shallow
- Epicenter
- 50.069° N, 178.048° 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
- 41
Nearby
Within 100 km, magnitude 1.6 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 usp00000gr. Read Tue, Sep 22, 2026, 4:23 AM UTC.