M4.6 earthquake 72 km SSE of Adak, Alaska
A magnitude 4.6 earthquake struck 72 km SSE of Adak, Alaska on Tue, Aug 7, 1979, 8:15 AM GMT-10 (18:15 UTC), 33 km (21 mi) below the surface.
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
- 1979-08-07 18:15:09 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.315° N, 176.108° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 14
Nearby
Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001294. Read Tue, Sep 22, 2026, 7:25 AM UTC.