Alaska earthquakes

M2.5 earthquake 55 km SSE of Adak, Alaska

A magnitude 2.5 earthquake struck 55 km SSE of Adak, Alaska on Wed, Oct 5, 2022, 10:44 AM HADT (19:44 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.1 57 km SE 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
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-10-05 19:44:27 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.404° N, 176.377° 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
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.148 · 6 stations
2.2ML, 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 3.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
232°, poorly surrounded by stations
Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 1.558 km SE of Adak, Alaska · 1456 days ago · 22 km deep · 24 km away
  2. 1.693 km WSW of Adak, Alaska · 1456 days ago · 30 km deep · 99 km away
  3. 1.893 km WSW of Adak, Alaska · 1456 days ago · 51 km deep · 100 km away
  4. 1.769 km S of Adak, Alaska · 1456 days ago · 17 km deep · 16 km away
  5. 1.841 km SSE of Adak, Alaska · 1456 days ago · 34 km deep · 16 km away
  6. 1.6103 km SW of Adak, Alaska · 1455 days ago · 26 km deep · 94 km away
  7. 1.660 km SW of Adak, Alaska · 1455 days ago · 51 km deep · 62 km away
  8. 3.467 km ESE of Adak, Alaska · 1455 days ago · 35 km deep · 42 km away
  9. 2.016 km NNW of Adak, Alaska · 1455 days ago · 90 km deep · 72 km away
  10. 1.669 km ESE of Adak, Alaska · 1455 days ago · 35 km deep · 44 km away
  11. 1.775 km E of Adak, Alaska · 1455 days ago · 179 km deep · 74 km away
  12. 1.813 km ESE of Adak, Alaska · 1455 days ago · 112 km deep · 48 km away
  13. 3.166 km ESE of Adak, Alaska · 1454 days ago · 56 km deep · 47 km away
  14. 1.848 km WSW of Adak, Alaska · 1454 days ago · 71 km deep · 66 km away
  15. 1.645 km S of Adak, Alaska · 1453 days ago · 29 km deep · 28 km away
  16. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1453 days ago · 39 km deep · 28 km away
  17. 1.671 km SW of Adak, Alaska · 1451 days ago · 32 km deep · 75 km away
  18. 2.637 km ENE of Adak, Alaska · 1451 days ago · 237 km deep · 71 km away
  19. 2.9103 km SSE of Adak, Alaska · 1451 days ago · 205 km deep · 50 km away
  20. 1.827 km E of Adak, Alaska · 1451 days ago · 28 km deep · 57 km away
  21. 1.777 km E of Adak, Alaska · 1451 days ago · 59 km deep · 74 km away
  22. 1.861 km SSE of Adak, Alaska · 1450 days ago · 18 km deep · 16 km away
  23. 1.585 km WSW of Adak, Alaska · 1450 days ago · 13 km deep · 92 km away
  24. 1.567 km SSW of Adak, Alaska · 1450 days ago · 34 km deep · 47 km away
  25. 1.538 km SSE of Adak, Alaska · 1450 days ago · 42 km deep · 19 km away
  26. 3.349 km SE of Adak, Alaska · 1450 days ago · 37 km deep · 16 km away
  27. 1.9101 km ESE of Adak, Alaska · 1449 days ago · 25 km deep · 70 km away
  28. 1.659 km SSW of Adak, Alaska · 1449 days ago · 39 km deep · 44 km away
  29. 2.669 km WSW of Adak, Alaska · 1448 days ago · 95 km deep · 89 km away
  30. 1.542 km S of Adak, Alaska · 1448 days ago · 35 km deep · 19 km away
  31. 1.545 km SSW of Adak, Alaska · 1448 days ago · 20 km deep · 41 km away
  32. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1448 days ago · 35 km deep · 45 km away
  33. 1.954 km SSW of Adak, Alaska · 1447 days ago · 38 km deep · 48 km away
  34. 1.948 km E of Adak, Alaska · 1447 days ago · 55 km deep · 53 km away
  35. 3.864 km SE of Adak, Alaska · 1447 days ago · 35 km deep · 24 km away
  36. 1.946 km SSE of Adak, Alaska · 1447 days ago · 35 km deep · 10 km away
  37. 1.728 km SSW of Adak, Alaska · 1446 days ago · 58 km deep · 43 km away
  38. 2.776 km E of Adak, Alaska · 1445 days ago · 35 km deep · 75 km away
  39. 1.746 km S of Adak, Alaska · 1444 days ago · 26 km deep · 22 km away
  40. 2.182 km ENE of Adak, Alaska · 1444 days ago · 111 km deep · 97 km away
  41. 1.557 km SE of Adak, Alaska · 1444 days ago · 24 km deep · 21 km away
  42. 2.675 km SW of Adak, Alaska · 1444 days ago · 34 km deep · 73 km away
  43. 2.0104 km ESE of Adak, Alaska · 1443 days ago · 26 km deep · 78 km away
  44. 2.570 km SE of Adak, Alaska · 1443 days ago · 36 km deep · 42 km away
  45. 2.646 km SSE of Adak, Alaska · 1443 days ago · 35 km deep · 11 km away
  46. 1.632 km S of Adak, Alaska · 1442 days ago · 43 km deep · 25 km away
  47. 1.852 km S of Adak, Alaska · 1442 days ago · 24 km deep · 9 km away
  48. 2.189 km WSW of Adak, Alaska · 1442 days ago · 29 km deep · 95 km away
  49. 4.070 km SSW of Adak, Alaska · 1441 days ago · 35 km deep · 53 km away
  50. 1.688 km SW of Atka, Alaska · 1441 days ago · 43 km deep · 90 km away
  51. 1.760 km SE of Adak, Alaska · 1440 days ago · 26 km deep · 32 km away
  52. 1.635 km WSW of Adak, Alaska · 1440 days ago · 17 km deep · 64 km away
  53. 2.130 km NNE of Adak, Alaska · 1440 days ago · 209 km deep · 82 km away
  54. 2.139 km ENE of Adak, Alaska · 1440 days ago · 139 km deep · 72 km away
  55. 3.697 km SW of Adak, Alaska · 1440 days ago · 35 km deep · 87 km away
  56. 1.782 km WSW of Atka, Alaska · 1440 days ago · 88 km deep · 95 km away
  57. 3.6Andreanof Islands, Aleutian Islands, Alaska · 1440 days ago · 35 km deep · 52 km away
  58. 1.590 km SW of Atka, Alaska · 1440 days ago · 13 km deep · 94 km away
  59. 1.846 km W of Adak, Alaska · 1440 days ago · 80 km deep · 79 km away
  60. 2.7104 km SW of Adak, Alaska · 1440 days ago · 32 km deep · 88 km away

The first 60 of at least 199.

Before

  1. 1.585 km WSW of Adak, Alaska · 1457 days ago · 32 km deep · 93 km away
  2. 3.173 km SE of Adak, Alaska · 1457 days ago · 35 km deep · 31 km away
  3. 1.665 km SSW of Adak, Alaska · 1457 days ago · 26 km deep · 46 km away
  4. 1.754 km SSW of Adak, Alaska · 1459 days ago · 26 km deep · 35 km away
  5. 3.43 km S of Adak, Alaska · 1460 days ago · 92 km deep · 52 km away
  6. 2.160 km ESE of Adak, Alaska · 1460 days ago · 49 km deep · 40 km away
  7. 3.649 km WSW of Adak, Alaska · 1461 days ago · 80 km deep · 69 km away
  8. 2.892 km SW of Adak, Alaska · 1462 days ago · 35 km deep · 82 km away
  9. 2.6100 km SW of Atka, Alaska · 1463 days ago · 41 km deep · 82 km away
  10. 1.838 km ENE of Adak, Alaska · 1463 days ago · 127 km deep · 72 km away
  11. 2.986 km WSW of Adak, Alaska · 1463 days ago · 38 km deep · 91 km away
  12. 1.666 km SW of Adak, Alaska · 1463 days ago · 25 km deep · 63 km away
  13. 1.690 km SW of Adak, Alaska · 1464 days ago · 34 km deep · 77 km away
  14. 3.143 km S of Adak, Alaska · 1464 days ago · 35 km deep · 20 km away
  15. 2.1126 km SSE of Adak, Alaska · 1464 days ago · 24 km deep · 73 km away
  16. 1.763 km SSE of Adak, Alaska · 1464 days ago · 20 km deep · 17 km away
  17. 1.978 km SW of Atka, Alaska · 1464 days ago · 19 km deep · 99 km away
  18. 2.655 km S of Adak, Alaska · 1464 days ago · 42 km deep · 23 km away
  19. 1.914 km SE of Adak, Alaska · 1464 days ago · 72 km deep · 44 km away
  20. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1465 days ago · 66 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000il2i (also filed as ak022cs2z7gn). Read Thu, Oct 1, 2026, 3:09 AM UTC.