Alaska earthquakes

M3.4 earthquake 3 km S of Adak, Alaska

A magnitude 3.4 earthquake struck 3 km S of Adak, Alaska on Sun, Oct 2, 2022, 1:43 AM HADT (10:43 UTC), 92 km (57 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
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-10-02 10:43:01 UTC
Depth
92.1 km (57.2 mi), intermediate-depth
Epicenter
51.839° N, 176.637° 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
3.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.8ML, 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 7.4 km horizontally, 3.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
177°
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 1.754 km SSW of Adak, Alaska · 1460 days ago · 26 km deep · 51 km away
  2. 2.195 km WSW of Adak, Alaska · 1459 days ago · 55 km deep · 94 km away
  3. 1.665 km SSW of Adak, Alaska · 1458 days ago · 26 km deep · 61 km away
  4. 3.173 km SE of Adak, Alaska · 1458 days ago · 35 km deep · 71 km away
  5. 1.585 km WSW of Adak, Alaska · 1458 days ago · 32 km deep · 83 km away
  6. 2.555 km SSE of Adak, Alaska · 1457 days ago · 35 km deep · 52 km away
  7. 1.558 km SE of Adak, Alaska · 1457 days ago · 22 km deep · 56 km away
  8. 1.693 km WSW of Adak, Alaska · 1457 days ago · 30 km deep · 91 km away
  9. 1.893 km WSW of Adak, Alaska · 1457 days ago · 51 km deep · 92 km away
  10. 1.769 km S of Adak, Alaska · 1457 days ago · 17 km deep · 65 km away
  11. 1.841 km SSE of Adak, Alaska · 1456 days ago · 34 km deep · 38 km away
  12. 1.660 km SW of Adak, Alaska · 1456 days ago · 51 km deep · 58 km away
  13. 3.467 km ESE of Adak, Alaska · 1456 days ago · 35 km deep · 65 km away
  14. 2.016 km NNW of Adak, Alaska · 1456 days ago · 90 km deep · 20 km away
  15. 1.669 km ESE of Adak, Alaska · 1456 days ago · 35 km deep · 68 km away
  16. 1.775 km E of Adak, Alaska · 1455 days ago · 179 km deep · 75 km away
  17. 1.813 km ESE of Adak, Alaska · 1455 days ago · 112 km deep · 13 km away
  18. 3.166 km ESE of Adak, Alaska · 1455 days ago · 56 km deep · 65 km away
  19. 1.848 km WSW of Adak, Alaska · 1455 days ago · 71 km deep · 46 km away
  20. 1.581 km W of Adak, Alaska · 1454 days ago · 3 km deep · 82 km away
  21. 1.645 km S of Adak, Alaska · 1454 days ago · 29 km deep · 42 km away
  22. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1454 days ago · 39 km deep · 80 km away
  23. 1.678 km W of Adak, Alaska · 1454 days ago · 66 km deep · 78 km away
  24. 1.683 km W of Adak, Alaska · 1453 days ago · 4 km deep · 83 km away
  25. 1.671 km SW of Adak, Alaska · 1452 days ago · 32 km deep · 69 km away
  26. 2.637 km ENE of Adak, Alaska · 1452 days ago · 237 km deep · 39 km away
  27. 2.9103 km SSE of Adak, Alaska · 1452 days ago · 205 km deep · 100 km away
  28. 1.697 km WSW of Adak, Alaska · 1452 days ago · 27 km deep · 95 km away
  29. 1.827 km E of Adak, Alaska · 1452 days ago · 28 km deep · 29 km away
  30. 1.777 km E of Adak, Alaska · 1451 days ago · 59 km deep · 78 km away
  31. 1.861 km SSE of Adak, Alaska · 1451 days ago · 18 km deep · 59 km away
  32. 1.585 km WSW of Adak, Alaska · 1451 days ago · 13 km deep · 83 km away
  33. 1.567 km SSW of Adak, Alaska · 1451 days ago · 34 km deep · 64 km away
  34. 1.538 km SSE of Adak, Alaska · 1451 days ago · 42 km deep · 35 km away
  35. 3.349 km SE of Adak, Alaska · 1451 days ago · 37 km deep · 47 km away
  36. 1.694 km W of Adak, Alaska · 1450 days ago · 4 km deep · 94 km away
  37. 1.9101 km ESE of Adak, Alaska · 1450 days ago · 25 km deep · 99 km away
  38. 1.659 km SSW of Adak, Alaska · 1449 days ago · 39 km deep · 56 km away
  39. 2.669 km WSW of Adak, Alaska · 1449 days ago · 95 km deep · 68 km away
  40. 1.542 km S of Adak, Alaska · 1449 days ago · 35 km deep · 39 km away
  41. 1.545 km SSW of Adak, Alaska · 1449 days ago · 20 km deep · 42 km away
  42. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1449 days ago · 35 km deep · 71 km away
  43. 1.954 km SSW of Adak, Alaska · 1448 days ago · 38 km deep · 52 km away
  44. 1.948 km E of Adak, Alaska · 1448 days ago · 55 km deep · 48 km away
  45. 3.864 km SE of Adak, Alaska · 1448 days ago · 35 km deep · 61 km away
  46. 1.946 km SSE of Adak, Alaska · 1448 days ago · 35 km deep · 43 km away
  47. 1.728 km SSW of Adak, Alaska · 1447 days ago · 58 km deep · 25 km away
  48. 2.094 km WSW of Adak, Alaska · 1446 days ago · 13 km deep · 92 km away
  49. 2.776 km E of Adak, Alaska · 1446 days ago · 35 km deep · 76 km away
  50. 1.746 km S of Adak, Alaska · 1445 days ago · 26 km deep · 43 km away
  51. 1.998 km WSW of Adak, Alaska · 1445 days ago · 21 km deep · 96 km away
  52. 2.182 km ENE of Adak, Alaska · 1445 days ago · 111 km deep · 83 km away
  53. 1.557 km SE of Adak, Alaska · 1445 days ago · 24 km deep · 55 km away
  54. 2.675 km SW of Adak, Alaska · 1444 days ago · 34 km deep · 72 km away
  55. 2.570 km SE of Adak, Alaska · 1444 days ago · 36 km deep · 68 km away
  56. 2.646 km SSE of Adak, Alaska · 1444 days ago · 35 km deep · 43 km away
  57. 1.632 km S of Adak, Alaska · 1443 days ago · 43 km deep · 29 km away
  58. 1.852 km S of Adak, Alaska · 1443 days ago · 24 km deep · 48 km away
  59. 2.189 km WSW of Adak, Alaska · 1443 days ago · 29 km deep · 87 km away
  60. 4.070 km SSW of Adak, Alaska · 1442 days ago · 35 km deep · 67 km away

The first 60 of at least 201.

Before

  1. 2.160 km ESE of Adak, Alaska · 1461 days ago · 49 km deep · 59 km away
  2. 3.649 km WSW of Adak, Alaska · 1462 days ago · 80 km deep · 48 km away
  3. 2.892 km SW of Adak, Alaska · 1463 days ago · 35 km deep · 90 km away
  4. 1.981 km W of Atka, Alaska · 1464 days ago · 126 km deep · 90 km away
  5. 1.838 km ENE of Adak, Alaska · 1464 days ago · 127 km deep · 40 km away
  6. 2.986 km WSW of Adak, Alaska · 1464 days ago · 38 km deep · 84 km away
  7. 1.666 km SW of Adak, Alaska · 1464 days ago · 25 km deep · 64 km away
  8. 1.690 km SW of Adak, Alaska · 1465 days ago · 34 km deep · 88 km away
  9. 3.143 km S of Adak, Alaska · 1465 days ago · 35 km deep · 40 km away
  10. 1.763 km SSE of Adak, Alaska · 1465 days ago · 20 km deep · 60 km away
  11. 2.655 km S of Adak, Alaska · 1465 days ago · 42 km deep · 51 km away
  12. 1.914 km SE of Adak, Alaska · 1465 days ago · 72 km deep · 13 km away
  13. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1466 days ago · 66 km deep · 70 km away
  14. 2.123 km SE of Adak, Alaska · 1466 days ago · 68 km deep · 21 km away
  15. 3.178 km WSW of Atka, Alaska · 1466 days ago · 12 km deep · 93 km away
  16. 1.768 km W of Adak, Alaska · 1466 days ago · 17 km deep · 68 km away
  17. 1.978 km SW of Adak, Alaska · 1466 days ago · 44 km deep · 76 km away
  18. 1.850 km SW of Adak, Alaska · 1467 days ago · -3 km deep · 47 km away
  19. 1.965 km SE of Adak, Alaska · 1467 days ago · 26 km deep · 63 km away
  20. 2.175 km ENE of Adak, Alaska · 1467 days ago · 158 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ilky (also filed as ak022cmyzzut). Read Fri, Oct 2, 2026, 1:42 AM UTC.