M5.4 earthquake 200 km WSW of Adak, Alaska
A magnitude 5.4 earthquake struck 200 km WSW of Adak, Alaska on Sun, May 14, 1972, 9:34 AM GMT-10 (19:34 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M5.5 125 km WSW of Adak, Alaska. This one was a foreshock.
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
- ISCGEMSUP
- Local time
- UTC
- 1972-05-14 19:34:25 UTC
- Depth
- 40.0 km (24.9 mi), shallow
- Epicenter
- 51.044° N, 179.188° 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
- ±0.26
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.4 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgemsup773480. Read Fri, Oct 2, 2026, 5:34 PM UTC.