M5.5 earthquake 38 km SW of Adak, Alaska
A magnitude 5.5 earthquake struck 38 km SW of Adak, Alaska on Fri, Jan 28, 1966, 8:07 AM GMT-11 (19:07 UTC), 59 km (37 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1966-01-28 19:07:16 UTC
- Depth
- 59.0 km (36.7 mi), shallow
- Epicenter
- 51.623° N, 177.023° 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 2.5 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 iscgem851323. Read Tue, Sep 29, 2026, 7:42 AM UTC.