M7.6 earthquake 5 km WNW of Adak, Alaska
A magnitude 7.6 earthquake struck 5 km WNW of Adak, Alaska on Mon, Feb 13, 1905, 9:46 PM GMT-11 (08:46 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.6 (mw), major
- Local time
- UTC
- 1905-02-14 08:46:34 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 51.890° N, 176.702° 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
- ±0.26
- 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 iscgem16957835 (also filed as ushis433). Read Tue, Sep 22, 2026, 10:25 PM UTC.