Alaska earthquakes

M5.5 earthquake 147 km ESE of Attu Station, Alaska

A magnitude 5.5 earthquake struck 147 km ESE of Attu Station, Alaska on Fri, Feb 5, 1965, 8:51 PM GMT+12 (08:51 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M6.2 89 km ESE of Attu Station, Alaska. This one was a foreshock.

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The earthquake

Magnitude
5.5 (mw), moderate
Local time
UTC
1965-02-05 08:51:25 UTC
Depth
41.7 km (25.9 mi), shallow
Epicenter
52.197° N, 175.086° 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
±0.57
Depth from
From location

Nearby

Within 100 km, magnitude 2.5 and up: 21 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 6.289 km ESE of Attu Station, Alaska · 22510 days ago · 34 km deep · 59 km away
  2. 5.7109 km SSE of Attu Station, Alaska · 22509 days ago · 30 km deep · 90 km away
  3. 5.5158 km SSE of Attu Station, Alaska · 22509 days ago · 25 km deep · 74 km away
  4. 5.759 km ESE of Attu Station, Alaska · 22509 days ago · 20 km deep · 88 km away
  5. 6.0152 km SE of Attu Station, Alaska · 22509 days ago · 26 km deep · 60 km away
  6. 6.2180 km ESE of Attu Station, Alaska · 22509 days ago · 33 km deep · 34 km away
  7. 5.6103 km SSE of Attu Station, Alaska · 22509 days ago · 15 km deep · 86 km away
  8. 5.7184 km SE of Attu Station, Alaska · 22508 days ago · 37 km deep · 51 km away
  9. 5.7108 km SE of Attu Station, Alaska · 22508 days ago · 18 km deep · 68 km away
  10. 5.8181 km ESE of Attu Station, Alaska · 22508 days ago · 25 km deep · 34 km away
  11. 5.5152 km SE of Attu Station, Alaska · 22507 days ago · 27 km deep · 61 km away
  12. 5.4238 km SE of Attu Station, Alaska · 22503 days ago · 34 km deep · 97 km away
  13. 5.574 km SE of Attu Station, Alaska · 22500 days ago · 33 km deep · 82 km away
  14. 5.786 km SE of Attu Station, Alaska · 22485 days ago · 34 km deep · 80 km away
  15. 5.5155 km SE of Attu Station, Alaska · 22483 days ago · 25 km deep · 25 km away
  16. 5.6129 km ESE of Attu Station, Alaska · 22481 days ago · 26 km deep · 26 km away
  17. 5.688 km SE of Attu Station, Alaska · 22481 days ago · 36 km deep · 60 km away
  18. 5.592 km SE of Attu Station, Alaska · 22481 days ago · 28 km deep · 61 km away
  19. 5.5175 km ESE of Attu Station, Alaska · 22480 days ago · 36 km deep · 29 km away
  20. 5.6171 km ESE of Attu Station, Alaska · 22457 days ago · 39 km deep · 24 km away
  21. 5.8176 km SE of Attu Station, Alaska · 22451 days ago · 27 km deep · 38 km away

Before

  1. 5.8165 km SE of Attu Station, Alaska · 22510 days ago · 25 km deep · 51 km away
  2. 5.7134 km SSE of Attu Station, Alaska · 22510 days ago · 10 km deep · 74 km away
  3. 5.8193 km SE of Attu Station, Alaska · 22510 days ago · 25 km deep · 74 km away
  4. 5.6157 km SE of Attu Station, Alaska · 22510 days ago · 20 km deep · 54 km away
  5. 5.6224 km SE of Attu Station, Alaska · 22511 days ago · 4 km deep · 83 km away
  6. 5.5165 km SSE of Attu Station, Alaska · 22511 days ago · 20 km deep · 74 km away
  7. 5.6113 km SSE of Attu Station, Alaska · 22511 days ago · 20 km deep · 81 km away
  8. 5.5171 km SE of Attu Station, Alaska · 22511 days ago · 40 km deep · 62 km away
  9. 5.7138 km SE of Attu Station, Alaska · 22511 days ago · 32 km deep · 64 km away
  10. 5.9135 km SSE of Attu Station, Alaska · 22511 days ago · 20 km deep · 92 km away
  11. 5.8221 km SE of Attu Station, Alaska · 22511 days ago · 25 km deep · 78 km away
  12. 6.0185 km SE of Attu Station, Alaska · 22511 days ago · 30 km deep · 62 km away
  13. 5.8196 km SE of Attu Station, Alaska · 22511 days ago · 33 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem859534. Read Tue, Sep 22, 2026, 10:30 PM UTC.