M4.6 earthquake 85 km ESE of Adak, Alaska
A magnitude 4.6 earthquake struck 85 km ESE of Adak, Alaska on Fri, May 25, 1973, 5:06 PM GMT-10 (03:06 UTC), 59 km (37 mi) below the surface.
A larger quake followed: M5.1 38 km ENE 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
- 4.6 (mb), light
- Local time
- UTC
- 1973-05-26 03:06:53 UTC
- Depth
- 59.0 km (36.7 mi), shallow
- Epicenter
- 51.727° N, 175.415° 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
- 31
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.138 km ENE of Adak, Alaska · 19430 days ago · 63 km deep · 54 km away
- 4.739 km WNW of Atka, Alaska · 19419 days ago · 84 km deep · 79 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001xt. Read Tue, Sep 22, 2026, 9:35 AM UTC.