M5.4 earthquake 117 km SSW of Nikolski, Alaska
A magnitude 5.4 earthquake struck 117 km SSW of Nikolski, Alaska on Tue, Dec 19, 1972, 12:33 AM GMT-10 (10:33 UTC), 26 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1972-12-19 10:33:48 UTC
- Depth
- 25.6 km (15.9 mi), shallow
- Epicenter
- 51.973° N, 169.575° 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.
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.4106 km SSW of Nikolski, Alaska · 19624 days ago · 30 km deep · 14 km away
- 4.392 km SSW of Nikolski, Alaska · 19624 days ago · 24 km deep · 29 km away
- 4.7121 km SSW of Nikolski, Alaska · 19624 days ago · 56 km deep · 14 km away
- 3.997 km SSW of Nikolski, Alaska · 19624 days ago · 22 km deep · 24 km away
- 4.3103 km SSW of Nikolski, Alaska · 19624 days ago · 49 km deep · 23 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem766378. Read Sun, Oct 4, 2026, 8:55 AM UTC.