Alaska earthquakes

M4.0 earthquake 92 km S of Atka, Alaska

A magnitude 4.0 earthquake struck 92 km S of Atka, Alaska on Sat, Oct 29, 2022, 8:44 AM HADT (17:44 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M4.8 83 km ESE of Adak, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-10-29 17:44:48 UTC
Depth
42.0 km (26.1 mi), shallow
Epicenter
51.368° N, 174.321° W
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
4.0mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.098 · 30 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 5.9 km horizontally, 8.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
210°, poorly surrounded by stations
Stations used
61

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 68 in the 30 days before it.

After

  1. 4.291 km S of Atka, Alaska · 1432 days ago · 41 km deep · 2 km away · felt by 1
  2. 2.288 km SSW of Atka, Alaska · 1432 days ago · 15 km deep · 12 km away
  3. 3.1101 km S of Atka, Alaska · 1432 days ago · 19 km deep · 12 km away
  4. 2.9105 km S of Atka, Alaska · 1432 days ago · 35 km deep · 16 km away
  5. 4.188 km S of Atka, Alaska · 1432 days ago · 40 km deep · 5 km away
  6. 4.5108 km S of Atka, Alaska · 1432 days ago · 19 km deep · 17 km away
  7. 4.7Andreanof Islands, Aleutian Islands, Alaska · 1432 days ago · 14 km deep · 21 km away
  8. 4.3103 km S of Atka, Alaska · 1432 days ago · 10 km deep · 14 km away
  9. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1432 days ago · 10 km deep · 9 km away
  10. 3.398 km S of Atka, Alaska · 1432 days ago · 10 km deep · 6 km away
  11. 2.7105 km S of Atka, Alaska · 1432 days ago · 10 km deep · 13 km away
  12. 3.8Andreanof Islands, Aleutian Islands, Alaska · 1432 days ago · 10 km deep · 11 km away
  13. 3.8110 km S of Atka, Alaska · 1432 days ago · 10 km deep · 19 km away
  14. 2.196 km SSW of Atka, Alaska · 1432 days ago · 5 km deep · 15 km away
  15. 3.193 km S of Atka, Alaska · 1432 days ago · 17 km deep · 1 km away
  16. 2.7105 km S of Atka, Alaska · 1432 days ago · 35 km deep · 14 km away
  17. 2.5154 km S of Atka, Alaska · 1432 days ago · 10 km deep · 68 km away
  18. 2.395 km S of Atka, Alaska · 1432 days ago · 10 km deep · 4 km away
  19. 2.2108 km S of Atka, Alaska · 1432 days ago · 26 km deep · 19 km away
  20. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1432 days ago · 10 km deep · 11 km away
  21. 2.2107 km S of Atka, Alaska · 1432 days ago · 22 km deep · 15 km away
  22. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1432 days ago · 12 km deep · 15 km away
  23. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1432 days ago · 15 km deep · 6 km away
  24. 2.5113 km S of Atka, Alaska · 1432 days ago · 10 km deep · 23 km away
  25. 3.996 km S of Atka, Alaska · 1432 days ago · 45 km deep · 4 km away
  26. 3.895 km S of Atka, Alaska · 1432 days ago · 35 km deep · 8 km away
  27. 3.783 km S of Atka, Alaska · 1432 days ago · 35 km deep · 11 km away
  28. 3.8111 km S of Atka, Alaska · 1432 days ago · 35 km deep · 22 km away
  29. 2.699 km S of Atka, Alaska · 1432 days ago · 35 km deep · 9 km away
  30. 1.783 km WSW of Atka, Alaska · 1432 days ago · 71 km deep · 95 km away
  31. 2.0143 km SE of Adak, Alaska · 1432 days ago · 8 km deep · 76 km away
  32. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1431 days ago · 246 km deep · 87 km away
  33. 1.856 km SW of Atka, Alaska · 1431 days ago · 48 km deep · 55 km away
  34. 2.8108 km S of Atka, Alaska · 1431 days ago · 35 km deep · 18 km away
  35. 2.1108 km S of Atka, Alaska · 1431 days ago · 34 km deep · 17 km away
  36. 1.897 km S of Atka, Alaska · 1431 days ago · 13 km deep · 8 km away
  37. 2.683 km ESE of Adak, Alaska · 1431 days ago · 52 km deep · 86 km away
  38. 4.090 km ESE of Adak, Alaska · 1429 days ago · 46 km deep · 79 km away
  39. 2.054 km SW of Atka, Alaska · 1428 days ago · 59 km deep · 61 km away
  40. 1.957 km SSW of Atka, Alaska · 1427 days ago · 19 km deep · 51 km away
  41. 1.940 km SE of Atka, Alaska · 1427 days ago · 66 km deep · 79 km away
  42. 2.046 km ESE of Atka, Alaska · 1427 days ago · 70 km deep · 87 km away
  43. 1.779 km WSW of Atka, Alaska · 1427 days ago · 25 km deep · 90 km away
  44. 1.962 km S of Atka, Alaska · 1427 days ago · 43 km deep · 35 km away
  45. 2.099 km S of Atka, Alaska · 1426 days ago · 26 km deep · 7 km away
  46. 3.086 km SSE of Atka, Alaska · 1426 days ago · 35 km deep · 35 km away
  47. 1.861 km SW of Atka, Alaska · 1425 days ago · 19 km deep · 49 km away
  48. 2.7107 km S of Atka, Alaska · 1425 days ago · 10 km deep · 15 km away
  49. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1425 days ago · 35 km deep · 6 km away
  50. 2.2107 km SE of Atka, Alaska · 1424 days ago · 15 km deep · 69 km away
  51. 2.4120 km SSW of Atka, Alaska · 1424 days ago · 13 km deep · 45 km away
  52. 2.1113 km SSW of Atka, Alaska · 1424 days ago · 9 km deep · 45 km away
  53. 1.938 km SE of Atka, Alaska · 1423 days ago · 23 km deep · 74 km away
  54. 3.0118 km SSW of Atka, Alaska · 1423 days ago · 10 km deep · 46 km away
  55. 4.197 km ESE of Adak, Alaska · 1423 days ago · 35 km deep · 72 km away
  56. 4.293 km ESE of Adak, Alaska · 1423 days ago · 47 km deep · 76 km away
  57. 2.2Andreanof Islands, Aleutian Islands, Alaska · 1423 days ago · 55 km deep · 94 km away
  58. 1.792 km ESE of Adak, Alaska · 1423 days ago · 44 km deep · 77 km away
  59. 2.093 km ESE of Adak, Alaska · 1423 days ago · 44 km deep · 77 km away
  60. 2.0100 km S of Atka, Alaska · 1423 days ago · 11 km deep · 10 km away

The first 60 of 133.

Before

  1. 2.594 km S of Atka, Alaska · 1432 days ago · 16 km deep · 2 km away
  2. 2.376 km SSE of Atka, Alaska · 1432 days ago · 11 km deep · 38 km away
  3. 3.5110 km S of Atka, Alaska · 1433 days ago · 35 km deep · 20 km away
  4. 3.296 km S of Atka, Alaska · 1433 days ago · 13 km deep · 4 km away
  5. 2.3101 km S of Atka, Alaska · 1433 days ago · 11 km deep · 12 km away
  6. 3.3100 km S of Atka, Alaska · 1433 days ago · 35 km deep · 8 km away
  7. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1433 days ago · 35 km deep · 16 km away
  8. 3.0Andreanof Islands, Aleutian Islands, Alaska · 1433 days ago · 35 km deep · 24 km away
  9. 4.791 km S of Atka, Alaska · 1433 days ago · 40 km deep · 4 km away
  10. 3.8107 km S of Atka, Alaska · 1433 days ago · 35 km deep · 18 km away
  11. 3.985 km S of Atka, Alaska · 1433 days ago · 44 km deep · 7 km away
  12. 3.997 km S of Atka, Alaska · 1433 days ago · 41 km deep · 7 km away
  13. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1433 days ago · 53 km deep · 32 km away
  14. 4.0Andreanof Islands, Aleutian Islands, Alaska · 1433 days ago · 42 km deep · 2 km away
  15. 4.085 km S of Atka, Alaska · 1433 days ago · 46 km deep · 8 km away
  16. 3.2102 km S of Atka, Alaska · 1433 days ago · 10 km deep · 10 km away
  17. 4.199 km S of Atka, Alaska · 1433 days ago · 35 km deep · 8 km away
  18. 4.2106 km S of Atka, Alaska · 1433 days ago · 39 km deep · 15 km away
  19. 1.883 km SW of Atka, Alaska · 1434 days ago · 26 km deep · 52 km away
  20. 2.7105 km S of Atka, Alaska · 1435 days ago · 35 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000im76 (also filed as ak022dvqopjm). Read Thu, Oct 1, 2026, 3:57 AM UTC.