M5.4 earthquake 87 km WSW of Atka, Alaska
A magnitude 5.4 earthquake struck 87 km WSW of Atka, Alaska on Sun, Aug 8, 1965, 1:49 AM GMT-11 (12:49 UTC), 43 km (27 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1965-08-08 12:49:24 UTC
- Depth
- 42.8 km (26.6 mi), shallow
- Epicenter
- 51.791° N, 175.300° 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
Nearby
Within 100 km, magnitude 2.4 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 iscgem854400. Read Tue, Sep 22, 2026, 9:58 AM UTC.