Alaska earthquakes

M1.6 earthquake 100 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 100 km W of Adak, Alaska on Fri, Mar 10, 2023, 11:46 PM HAST (09:46 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.1 150 km SW 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
1.6 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2023-03-11 09:46:30 UTC
Depth
3.6 km (2.2 mi), shallow
Epicenter
51.859° N, 178.092° 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 0.6 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
212°, poorly surrounded by stations
Stations used
5

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 3.7105 km W of Adak, Alaska · 1302 days ago · 5 km deep · 13 km away
  2. 2.7103 km W of Adak, Alaska · 1302 days ago · 6 km deep · 3 km away
  3. 1.8100 km W of Adak, Alaska · 1302 days ago · 7 km deep · 4 km away
  4. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1302 days ago · 8 km deep · 4 km away
  5. 3.1101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  6. 2.0100 km W of Adak, Alaska · 1302 days ago · -2 km deep · 1 km away
  7. 1.893 km W of Adak, Alaska · 1302 days ago · -2 km deep · 9 km away
  8. 1.587 km W of Adak, Alaska · 1302 days ago · 5 km deep · 14 km away
  9. 1.686 km W of Adak, Alaska · 1302 days ago · 6 km deep · 14 km away
  10. 1.590 km W of Adak, Alaska · 1302 days ago · 4 km deep · 10 km away
  11. 2.095 km W of Adak, Alaska · 1302 days ago · 2 km deep · 6 km away
  12. 3.2100 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  13. 1.9100 km W of Adak, Alaska · 1302 days ago · 5 km deep · 1 km away
  14. 1.6100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  15. 1.699 km W of Adak, Alaska · 1302 days ago · 4 km deep · 1 km away
  16. 1.697 km W of Adak, Alaska · 1302 days ago · -2 km deep · 3 km away
  17. 1.8100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 0 km away
  18. 3.1100 km W of Adak, Alaska · 1302 days ago · 9 km deep · 2 km away
  19. 2.0100 km W of Adak, Alaska · 1302 days ago · 5 km deep · 0 km away
  20. 1.7112 km W of Adak, Alaska · 1302 days ago · 6 km deep · 14 km away
  21. 1.841 km SW of Adak, Alaska · 1302 days ago · 64 km deep · 82 km away
  22. 1.589 km W of Adak, Alaska · 1302 days ago · 3 km deep · 11 km away
  23. 1.794 km W of Adak, Alaska · 1302 days ago · 5 km deep · 7 km away
  24. 1.7104 km W of Adak, Alaska · 1302 days ago · 6 km deep · 4 km away
  25. 1.6103 km W of Adak, Alaska · 1302 days ago · 3 km deep · 5 km away
  26. 1.999 km W of Adak, Alaska · 1302 days ago · 4 km deep · 1 km away
  27. 1.589 km W of Adak, Alaska · 1302 days ago · 4 km deep · 11 km away
  28. 1.899 km W of Adak, Alaska · 1302 days ago · 4 km deep · 1 km away
  29. 1.7121 km WSW of Adak, Alaska · 1302 days ago · 14 km deep · 51 km away
  30. 2.6104 km W of Adak, Alaska · 1302 days ago · 6 km deep · 6 km away
  31. 1.9102 km W of Adak, Alaska · 1302 days ago · 6 km deep · 2 km away
  32. 1.9101 km W of Adak, Alaska · 1302 days ago · 6 km deep · 1 km away
  33. 1.599 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  34. 1.798 km W of Adak, Alaska · 1302 days ago · 3 km deep · 2 km away
  35. 2.197 km W of Adak, Alaska · 1302 days ago · 4 km deep · 3 km away
  36. 2.3101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  37. 1.7100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 0 km away
  38. 2.1118 km WSW of Adak, Alaska · 1302 days ago · 15 km deep · 44 km away
  39. 1.8100 km W of Adak, Alaska · 1302 days ago · 7 km deep · 2 km away
  40. 1.594 km W of Adak, Alaska · 1302 days ago · 4 km deep · 7 km away
  41. 1.596 km W of Adak, Alaska · 1302 days ago · 2 km deep · 4 km away
  42. 1.595 km W of Adak, Alaska · 1302 days ago · -2 km deep · 5 km away
  43. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1302 days ago · 30 km deep · 48 km away
  44. 1.786 km W of Adak, Alaska · 1302 days ago · 8 km deep · 14 km away
  45. 1.696 km W of Adak, Alaska · 1302 days ago · -2 km deep · 5 km away
  46. 1.6100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 0 km away
  47. 2.1100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 0 km away
  48. 1.688 km W of Adak, Alaska · 1302 days ago · 6 km deep · 12 km away
  49. 1.7101 km W of Adak, Alaska · 1302 days ago · 4 km deep · 1 km away
  50. 1.687 km W of Adak, Alaska · 1302 days ago · 5 km deep · 13 km away
  51. 1.587 km W of Adak, Alaska · 1302 days ago · 4 km deep · 13 km away
  52. 1.8100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 1 km away
  53. 1.689 km W of Adak, Alaska · 1302 days ago · 6 km deep · 11 km away
  54. 2.295 km W of Adak, Alaska · 1302 days ago · 3 km deep · 5 km away
  55. 2.5103 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  56. 3.7103 km W of Adak, Alaska · 1302 days ago · 11 km deep · 3 km away
  57. 4.0103 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  58. 1.897 km W of Adak, Alaska · 1302 days ago · 4 km deep · 3 km away
  59. 1.7103 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  60. 1.596 km W of Adak, Alaska · 1302 days ago · -2 km deep · 4 km away

The first 60 of at least 200.

Before

  1. 1.8104 km W of Adak, Alaska · 1302 days ago · 4 km deep · 5 km away
  2. 2.0101 km W of Adak, Alaska · 1302 days ago · 6 km deep · 1 km away
  3. 1.6100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  4. 1.598 km W of Adak, Alaska · 1302 days ago · 2 km deep · 2 km away
  5. 1.9102 km W of Adak, Alaska · 1302 days ago · 8 km deep · 4 km away
  6. 1.6100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  7. 1.990 km W of Adak, Alaska · 1302 days ago · 7 km deep · 10 km away
  8. 1.597 km W of Adak, Alaska · 1302 days ago · -2 km deep · 4 km away
  9. 2.494 km W of Adak, Alaska · 1302 days ago · 5 km deep · 7 km away
  10. 1.8103 km W of Adak, Alaska · 1302 days ago · 7 km deep · 3 km away
  11. 1.5100 km W of Adak, Alaska · 1302 days ago · 2 km deep · 0 km away
  12. 2.6101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  13. 2.5101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  14. 1.790 km W of Adak, Alaska · 1302 days ago · 6 km deep · 10 km away
  15. 1.799 km W of Adak, Alaska · 1302 days ago · 5 km deep · 1 km away
  16. 2.0100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 0 km away
  17. 1.9100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 0 km away
  18. 2.8100 km W of Adak, Alaska · 1302 days ago · 5 km deep · 2 km away
  19. 1.586 km W of Adak, Alaska · 1302 days ago · 6 km deep · 13 km away
  20. 1.684 km W of Adak, Alaska · 1302 days ago · 9 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91798121. Read Sat, Oct 3, 2026, 12:29 PM UTC.