M3.6 earthquake 74 km WSW of Unalaska, Alaska
A magnitude 3.6 earthquake struck 74 km WSW of Unalaska, Alaska on Sun, Jun 22, 1980, 4:56 AM GMT-9 (13:56 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.2 47 km SW of Unalaska, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.6 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1980-06-22 13:56:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.542° N, 167.522° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 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 usp00018da. Read Fri, Oct 2, 2026, 4:09 PM UTC.