Alaska earthquakes

M3.3 earthquake 255 km W of Adak, Alaska

A magnitude 3.3 earthquake struck 255 km W of Adak, Alaska on Thu, Oct 24, 2024, 8:35 PM GMT+12 (08:35 UTC), 93 km (58 mi) below the surface.

A larger quake followed: M4.3 203 km WSW of Adak, 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-10-24 08:35:24 UTC
Depth
93.3 km (58.0 mi), intermediate-depth
Epicenter
51.693° N, 179.676° E
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.097 · 14 stations
3.2ML, local (Richter)Alaska Earthquake CenterPreliminary

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 6.3 km horizontally, 5.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
118°
Stations used
27

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.6165 km W of Adak, Alaska · 708 days ago · 116 km deep · 90 km away
  2. 3.0Rat Islands, Aleutian Islands, Alaska · 708 days ago · 76 km deep · 70 km away
  3. 3.2296 km W of Adak, Alaska · 708 days ago · 127 km deep · 43 km away
  4. 2.8Rat Islands, Aleutian Islands, Alaska · 707 days ago · 106 km deep · 89 km away
  5. 2.0Rat Islands, Aleutian Islands, Alaska · 707 days ago · 61 km deep · 55 km away
  6. 2.7219 km W of Adak, Alaska · 707 days ago · 125 km deep · 46 km away
  7. 2.5278 km W of Adak, Alaska · 707 days ago · 73 km deep · 25 km away
  8. 2.1Rat Islands, Aleutian Islands, Alaska · 705 days ago · 96 km deep · 84 km away
  9. 2.8223 km WSW of Adak, Alaska · 705 days ago · 70 km deep · 42 km away
  10. 3.3267 km WSW of Adak, Alaska · 702 days ago · 67 km deep · 42 km away
  11. 2.9Rat Islands, Aleutian Islands, Alaska · 702 days ago · 171 km deep · 88 km away
  12. 3.0Rat Islands, Aleutian Islands, Alaska · 701 days ago · 52 km deep · 89 km away
  13. 2.0294 km WSW of Adak, Alaska · 700 days ago · 22 km deep · 63 km away
  14. 2.5185 km WSW of Adak, Alaska · 700 days ago · 59 km deep · 91 km away
  15. 2.9Rat Islands, Aleutian Islands, Alaska · 699 days ago · 104 km deep · 87 km away
  16. 3.8Rat Islands, Aleutian Islands, Alaska · 699 days ago · 87 km deep · 62 km away
  17. 2.1Rat Islands, Aleutian Islands, Alaska · 699 days ago · 89 km deep · 61 km away
  18. 2.2289 km WSW of Adak, Alaska · 699 days ago · 22 km deep · 66 km away
  19. 2.1Rat Islands, Aleutian Islands, Alaska · 699 days ago · 61 km deep · 54 km away
  20. 2.3Rat Islands, Aleutian Islands, Alaska · 698 days ago · 93 km deep · 74 km away
  21. 1.6Rat Islands, Aleutian Islands, Alaska · 698 days ago · 4 km deep · 89 km away
  22. 2.9288 km W of Adak, Alaska · 698 days ago · 63 km deep · 38 km away
  23. 2.7Rat Islands, Aleutian Islands, Alaska · 697 days ago · 107 km deep · 98 km away
  24. 2.2196 km WSW of Adak, Alaska · 697 days ago · 23 km deep · 95 km away
  25. 2.8197 km WSW of Adak, Alaska · 697 days ago · 30 km deep · 94 km away
  26. 2.7199 km WSW of Adak, Alaska · 697 days ago · 67 km deep · 66 km away
  27. 2.5Rat Islands, Aleutian Islands, Alaska · 697 days ago · 88 km deep · 91 km away
  28. 1.6269 km W of Adak, Alaska · 697 days ago · 8 km deep · 42 km away
  29. 2.3243 km WSW of Adak, Alaska · 696 days ago · 13 km deep · 86 km away
  30. 3.3248 km W of Adak, Alaska · 696 days ago · 177 km deep · 45 km away
  31. 3.1Rat Islands, Aleutian Islands, Alaska · 696 days ago · 101 km deep · 83 km away
  32. 2.2Rat Islands, Aleutian Islands, Alaska · 696 days ago · 33 km deep · 66 km away
  33. 1.6Rat Islands, Aleutian Islands, Alaska · 696 days ago · 7 km deep · 97 km away
  34. 2.7Rat Islands, Aleutian Islands, Alaska · 695 days ago · 24 km deep · 78 km away
  35. 3.0Rat Islands, Aleutian Islands, Alaska · 695 days ago · 10 km deep · 61 km away
  36. 2.1291 km WSW of Adak, Alaska · 695 days ago · 33 km deep · 59 km away
  37. 3.3255 km WNW of Adak, Alaska · 693 days ago · 192 km deep · 78 km away
  38. 2.5177 km WSW of Adak, Alaska · 693 days ago · 24 km deep · 85 km away
  39. 2.0Rat Islands, Aleutian Islands, Alaska · 693 days ago · 13 km deep · 59 km away
  40. 2.0Rat Islands, Aleutian Islands, Alaska · 693 days ago · 68 km deep · 64 km away
  41. 2.6Rat Islands, Aleutian Islands, Alaska · 692 days ago · 75 km deep · 68 km away
  42. 2.2236 km W of Adak, Alaska · 692 days ago · 68 km deep · 24 km away
  43. 2.2Rat Islands, Aleutian Islands, Alaska · 692 days ago · 68 km deep · 62 km away
  44. 2.3214 km W of Adak, Alaska · 692 days ago · 100 km deep · 42 km away
  45. 2.1286 km W of Adak, Alaska · 692 days ago · 57 km deep · 36 km away
  46. 2.6243 km WSW of Adak, Alaska · 690 days ago · 28 km deep · 80 km away
  47. 2.1253 km WSW of Adak, Alaska · 690 days ago · 7 km deep · 49 km away
  48. 3.3259 km WSW of Adak, Alaska · 687 days ago · 35 km deep · 49 km away
  49. 2.8Rat Islands, Aleutian Islands, Alaska · 686 days ago · 17 km deep · 70 km away
  50. 2.2Rat Islands, Aleutian Islands, Alaska · 685 days ago · 69 km deep · 46 km away
  51. 2.0Rat Islands, Aleutian Islands, Alaska · 685 days ago · 8 km deep · 72 km away
  52. 3.0Rat Islands, Aleutian Islands, Alaska · 685 days ago · 70 km deep · 69 km away
  53. 3.0233 km WSW of Adak, Alaska · 684 days ago · 10 km deep · 85 km away
  54. 2.6Rat Islands, Aleutian Islands, Alaska · 684 days ago · 84 km deep · 63 km away
  55. 2.9Rat Islands, Aleutian Islands, Alaska · 683 days ago · 92 km deep · 60 km away
  56. 2.8Rat Islands, Aleutian Islands, Alaska · 683 days ago · 24 km deep · 74 km away
  57. 4.0Rat Islands, Aleutian Islands, Alaska · 683 days ago · 34 km deep · 78 km away
  58. 1.9297 km W of Adak, Alaska · 682 days ago · 6 km deep · 44 km away
  59. 3.2Rat Islands, Aleutian Islands, Alaska · 681 days ago · 105 km deep · 85 km away
  60. 2.4236 km WSW of Adak, Alaska · 679 days ago · 15 km deep · 81 km away

The first 60 of 115.

Before

  1. 2.5257 km W of Adak, Alaska · 709 days ago · 66 km deep · 20 km away
  2. 3.4234 km W of Adak, Alaska · 710 days ago · 214 km deep · 49 km away
  3. 3.0238 km WSW of Adak, Alaska · 711 days ago · 10 km deep · 88 km away
  4. 3.0Rat Islands, Aleutian Islands, Alaska · 711 days ago · 10 km deep · 96 km away
  5. 2.1Rat Islands, Aleutian Islands, Alaska · 711 days ago · 64 km deep · 56 km away
  6. 3.1256 km WSW of Adak, Alaska · 711 days ago · 51 km deep · 38 km away
  7. 2.3188 km WSW of Adak, Alaska · 712 days ago · 10 km deep · 77 km away
  8. 2.9187 km WSW of Adak, Alaska · 713 days ago · 31 km deep · 90 km away
  9. 2.2Rat Islands, Aleutian Islands, Alaska · 714 days ago · 13 km deep · 99 km away
  10. 1.8161 km WSW of Adak, Alaska · 714 days ago · 96 km deep · 97 km away
  11. 2.0292 km W of Adak, Alaska · 715 days ago · 52 km deep · 42 km away
  12. 2.9261 km W of Adak, Alaska · 715 days ago · 85 km deep · 7 km away
  13. 2.1Rat Islands, Aleutian Islands, Alaska · 715 days ago · 71 km deep · 83 km away
  14. 2.7Rat Islands, Aleutian Islands, Alaska · 716 days ago · 106 km deep · 81 km away
  15. 2.1186 km WSW of Adak, Alaska · 717 days ago · 14 km deep · 87 km away
  16. 2.8298 km W of Adak, Alaska · 717 days ago · 87 km deep · 43 km away
  17. 1.8262 km WSW of Adak, Alaska · 719 days ago · 8 km deep · 37 km away
  18. 3.3Rat Islands, Aleutian Islands, Alaska · 719 days ago · 128 km deep · 95 km away
  19. 2.9276 km WSW of Adak, Alaska · 720 days ago · 65 km deep · 33 km away
  20. 2.1Rat Islands, Aleutian Islands, Alaska · 720 days ago · 8 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000nwac (also filed as ak024doz4fze). Read Sat, Oct 3, 2026, 3:58 PM UTC.