M5.5 earthquake 233 km S of Sand Point, Alaska
A magnitude 5.5 earthquake struck 233 km S of Sand Point, Alaska on Sat, May 20, 1972, 12:26 PM GMT-9 (21:26 UTC), 16 km (10 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1972-05-20 21:26:06 UTC
- Depth
- 16.3 km (10.1 mi), shallow
- Epicenter
- 53.260° N, 159.989° 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 2.5 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 iscgem773668. Read Tue, Sep 22, 2026, 8:57 PM UTC.