M5.7 earthquake 133 km S of False Pass, Alaska
A magnitude 5.7 earthquake struck 133 km S of False Pass, Alaska on Fri, Oct 31, 1975, 1:48 PM GMT-11 (00:48 UTC), 25 km (16 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (ms), moderate
- Local time
- UTC
- 1975-11-01 00:48:23 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 53.655° N, 163.366° 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
- 155
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 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 usp0000dcv (also filed as ushis3376, iscgem721145). Read Tue, Sep 22, 2026, 8:17 AM UTC.