M5.8 earthquake 298 km WSW of Adak, Alaska
A magnitude 5.8 earthquake struck 298 km WSW of Adak, Alaska on Sun, Feb 7, 1965, 9:25 PM GMT+12 (09:25 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M5.8 292 km WSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1965-02-07 09:25:51 UTC
- Depth
- 20.1 km (12.5 mi), shallow
- Epicenter
- 51.305° N, 179.155° E
- 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: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.8292 km WSW of Adak, Alaska · 22499 days ago · 26 km deep · 31 km away
- 5.8281 km WSW of Adak, Alaska · 22495 days ago · 34 km deep · 18 km away
- 5.5Rat Islands, Aleutian Islands, Alaska · 22495 days ago · 26 km deep · 51 km away
- 5.6284 km WSW of Adak, Alaska · 22481 days ago · 37 km deep · 47 km away
Before
- 7.4265 km WSW of Adak, Alaska · 22510 days ago · 9 km deep · 34 km away
- 5.9Rat Islands, Aleutian Islands, Alaska · 22510 days ago · 25 km deep · 96 km away
- 8.71965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake · 22510 days ago · 30 km deep · 31 km away
- 5.8Rat Islands, Aleutian Islands, Alaska · 22510 days ago · 30 km deep · 48 km away
- 5.6210 km W of Adak, Alaska · 22515 days ago · 88 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem859786 (also filed as ushis2777). Read Tue, Sep 22, 2026, 7:05 AM UTC.