Alaska earthquakes

M3.9 earthquake 184 km SSE of Unalaska, Alaska

A magnitude 3.9 earthquake struck 184 km SSE of Unalaska, Alaska on Tue, Oct 1, 2024, 8:52 PM AKDT (04:52 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.5 192 km SSE of Unalaska, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.9 (mb), minor
Local time
UTC
2024-10-02 04:52:34 UTC
Depth
26.6 km (16.5 mi), shallow
Epicenter
52.457° N, 165.090° 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.

Location uncertainty
About 6.2 km horizontally, 6.3 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
178°
Stations used
60

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.587 km SE of Unalaska, Alaska · 724 days ago · 35 km deep · 98 km away
  2. 3.2101 km SE of Unalaska, Alaska · 722 days ago · 35 km deep · 87 km away
  3. 2.3197 km SSE of Unalaska, Alaska · 722 days ago · 5 km deep · 64 km away
  4. 3.6139 km SE of Akutan, Alaska · 718 days ago · 35 km deep · 82 km away
  5. 3.1135 km SE of Akutan, Alaska · 717 days ago · 26 km deep · 82 km away
  6. 2.8128 km SE of Akutan, Alaska · 717 days ago · 18 km deep · 91 km away
  7. 3.0134 km SE of Akutan, Alaska · 716 days ago · 10 km deep · 86 km away
  8. 2.6141 km SSE of Akutan, Alaska · 716 days ago · 10 km deep · 76 km away
  9. 3.1133 km SE of Akutan, Alaska · 716 days ago · 10 km deep · 86 km away
  10. 2.7212 km SSE of Akutan, Alaska · 716 days ago · 10 km deep · 75 km away
  11. 1.8112 km SSE of Unalaska, Alaska · 715 days ago · 26 km deep · 72 km away
  12. 3.5128 km SE of Akutan, Alaska · 714 days ago · 34 km deep · 91 km away
  13. 2.7143 km SSE of Akutan, Alaska · 714 days ago · 28 km deep · 74 km away
  14. 2.4129 km SE of Akutan, Alaska · 714 days ago · 11 km deep · 87 km away
  15. 2.4139 km SE of Akutan, Alaska · 714 days ago · 26 km deep · 86 km away
  16. 3.2120 km SE of Akutan, Alaska · 713 days ago · 35 km deep · 96 km away
  17. 2.1116 km SSE of Unalaska, Alaska · 712 days ago · 10 km deep · 72 km away
  18. 2.0163 km SSE of Unalaska, Alaska · 710 days ago · 5 km deep · 35 km away
  19. 2.6139 km SE of Akutan, Alaska · 710 days ago · 10 km deep · 80 km away
  20. 2.7105 km SE of Unalaska, Alaska · 703 days ago · 35 km deep · 82 km away
  21. 3.0212 km SE of Unalaska, Alaska · 699 days ago · 10 km deep · 33 km away
  22. 4.5192 km SSE of Unalaska, Alaska · 697 days ago · 15 km deep · 10 km away
  23. 2.7142 km SE of Akutan, Alaska · 697 days ago · 31 km deep · 98 km away
  24. 2.8112 km SSE of Akutan, Alaska · 687 days ago · 35 km deep · 88 km away
  25. 3.1100 km SSE of Akutan, Alaska · 677 days ago · 35 km deep · 99 km away
  26. 2.5100 km SSE of Akutan, Alaska · 674 days ago · 22 km deep · 98 km away
  27. 2.3100 km SSE of Akutan, Alaska · 674 days ago · 23 km deep · 99 km away
  28. 3.4105 km SSE of Akutan, Alaska · 672 days ago · 35 km deep · 94 km away
  29. 3.688 km SE of Unalaska, Alaska · 672 days ago · 48 km deep · 99 km away
  30. 3.4107 km SSE of Akutan, Alaska · 670 days ago · 35 km deep · 90 km away

Before

  1. 2.9225 km SSE of Unalaska, Alaska · 729 days ago · 16 km deep · 41 km away
  2. 2.7194 km SSE of Unalaska, Alaska · 733 days ago · 18 km deep · 19 km away
  3. 2.7209 km SSE of Unalaska, Alaska · 742 days ago · 10 km deep · 69 km away
  4. 3.0158 km S of Unalaska, Alaska · 743 days ago · 10 km deep · 72 km away
  5. 3.7155 km S of Unalaska, Alaska · 743 days ago · 10 km deep · 75 km away
  6. 2.5138 km S of Unalaska, Alaska · 745 days ago · 24 km deep · 85 km away
  7. 2.8179 km SE of Akutan, Alaska · 750 days ago · 10 km deep · 83 km away
  8. 2.2121 km SSE of Unalaska, Alaska · 754 days ago · 15 km deep · 65 km away
  9. 2.6186 km SSE of Akutan, Alaska · 754 days ago · 10 km deep · 61 km away
  10. 2.987 km SSE of Unalaska, Alaska · 756 days ago · 35 km deep · 97 km away
  11. 2.991 km SSE of Unalaska, Alaska · 757 days ago · 10 km deep · 95 km away
  12. 1.695 km SSE of Unalaska, Alaska · 757 days ago · 21 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000nhml (also filed as ak024coj0qgk). Read Thu, Oct 1, 2026, 1:10 AM UTC.