M4.8 earthquake 52 km ESE of Atka, Alaska
A magnitude 4.8 earthquake struck 52 km ESE of Atka, Alaska on Sat, Jul 28, 1979, 11:52 PM GMT-10 (09:52 UTC), 44 km (27 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1979-07-29 09:52:31 UTC
- Depth
- 44.0 km (27.3 mi), shallow
- Epicenter
- 51.986° N, 173.508° 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
- 61
Nearby
Within 100 km, magnitude 1.8 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 usp000124e. Read Tue, Sep 22, 2026, 10:29 AM UTC.