M4.7 earthquake 131 km S of False Pass, Alaska
A magnitude 4.7 earthquake struck 131 km S of False Pass, Alaska on Thu, Jul 3, 1980, 8:07 PM GMT-10 (06:07 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 Unimak Island region, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1980-07-04 06:07:40 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.687° N, 163.721° 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
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 4 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 usp00018n2. Read Tue, Sep 22, 2026, 10:29 AM UTC.