M4.5 earthquake 26 km SSE of Adak, Alaska
A magnitude 4.5 earthquake struck 26 km SSE of Adak, Alaska on Wed, Jun 9, 1976, 12:20 AM GMT-10 (10:20 UTC), 64 km (40 mi) below the surface.
A larger quake followed: M4.9 95 km WSW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1976-06-09 10:20:54 UTC
- Depth
- 64.0 km (39.8 mi), shallow
- Epicenter
- 51.653° N, 176.502° 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
- 35
Nearby
Within 100 km, magnitude 1.5 and up: 3 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 usp0000gt4. Read Mon, Oct 5, 2026, 5:32 AM UTC.