M5.7 earthquake 82 km W of Nikolski, Alaska
A magnitude 5.7 earthquake struck 82 km W of Nikolski, Alaska on Thu, Jul 31, 1969, 2:23 AM GMT-9 (11:23 UTC), 23 km (14 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1969-07-31 11:23:01 UTC
- Depth
- 22.5 km (14.0 mi), shallow
- Epicenter
- 52.965° N, 170.085° 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 2.7 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 iscgem807593. Read Sat, Oct 3, 2026, 5:25 AM UTC.