M5.1 earthquake 62 km SE of Atka, Alaska
A magnitude 5.1 earthquake struck 62 km SE of Atka, Alaska on Sun, Aug 26, 1973, 8:26 PM GMT-10 (06:26 UTC), 51 km (32 mi) below the surface.
A larger quake followed: M5.4 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-08-27 06:26:46 UTC
- Depth
- 51.0 km (31.7 mi), shallow
- Epicenter
- 51.742° N, 173.676° 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
- 42
Nearby
Within 100 km, magnitude 2.1 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.562 km SSE of Atka, Alaska · 19393 days ago · 58 km deep · 7 km away
- 4.646 km SE of Atka, Alaska · 19387 days ago · 42 km deep · 19 km away
- 4.976 km SE of Atka, Alaska · 19384 days ago · 42 km deep · 18 km away
- 4.567 km SSE of Atka, Alaska · 19369 days ago · 39 km deep · 18 km away
- 5.070 km SSE of Atka, Alaska · 19367 days ago · 36 km deep · 11 km away
- 4.1134 km SSE of Atka, Alaska · 19367 days ago · 33 km deep · 73 km away
- 5.4Andreanof Islands, Aleutian Islands, Alaska · 19367 days ago · 49 km deep · 11 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000382. Read Thu, Oct 1, 2026, 11:32 AM UTC.