M5.3 earthquake 133 km NW of False Pass, Alaska
A magnitude 5.3 earthquake struck 133 km NW of False Pass, Alaska on Thu, Aug 5, 1971, 3:51 AM GMT-10 (13:51 UTC), 13 km (8 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mw), moderate
- Local time
- UTC
- 1971-08-05 13:51:07 UTC
- Depth
- 13.3 km (8.3 mi), shallow
- Epicenter
- 55.618° N, 165.036° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem780948. Read Sat, Sep 26, 2026, 3:41 AM UTC.