M4.8 earthquake 222 km WSW of Adak, Alaska
A magnitude 4.8 earthquake struck 222 km WSW of Adak, Alaska on Fri, May 4, 1979, 3:36 AM GMT-10 (13:36 UTC), 53 km (33 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
- 1979-05-04 13:36:12 UTC
- Depth
- 53.0 km (32.9 mi), shallow
- Epicenter
- 51.348° N, 179.726° 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
- 58
Nearby
Within 100 km, magnitude 1.8 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00010ef. Read Tue, Sep 22, 2026, 7:05 AM UTC.