Alaska earthquakes

M1.5 earthquake 89 km W of Adak, Alaska

A magnitude 1.5 earthquake struck 89 km W of Adak, Alaska on Sat, Mar 11, 2023, 3:48 AM HAST (13:48 UTC), 3 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
1.5 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2023-03-11 13:48:31 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
51.879° N, 177.937° 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 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
186°, 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. 1.794 km W of Adak, Alaska · 1301 days ago · 5 km deep · 6 km away
  2. 1.7104 km W of Adak, Alaska · 1301 days ago · 6 km deep · 15 km away
  3. 1.6103 km W of Adak, Alaska · 1301 days ago · 3 km deep · 13 km away
  4. 1.999 km W of Adak, Alaska · 1301 days ago · 4 km deep · 10 km away
  5. 1.589 km W of Adak, Alaska · 1301 days ago · 4 km deep · 3 km away
  6. 1.899 km W of Adak, Alaska · 1301 days ago · 4 km deep · 10 km away
  7. 1.7121 km WSW of Adak, Alaska · 1301 days ago · 14 km deep · 56 km away
  8. 2.6104 km W of Adak, Alaska · 1301 days ago · 6 km deep · 15 km away
  9. 1.9102 km W of Adak, Alaska · 1301 days ago · 6 km deep · 13 km away
  10. 1.9101 km W of Adak, Alaska · 1301 days ago · 6 km deep · 12 km away
  11. 1.599 km W of Adak, Alaska · 1301 days ago · 3 km deep · 10 km away
  12. 1.798 km W of Adak, Alaska · 1301 days ago · 3 km deep · 9 km away
  13. 2.197 km W of Adak, Alaska · 1301 days ago · 4 km deep · 8 km away
  14. 2.3101 km W of Adak, Alaska · 1301 days ago · 5 km deep · 12 km away
  15. 1.7100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 11 km away
  16. 2.1118 km WSW of Adak, Alaska · 1301 days ago · 15 km deep · 49 km away
  17. 1.8100 km W of Adak, Alaska · 1301 days ago · 7 km deep · 12 km away
  18. 1.594 km W of Adak, Alaska · 1301 days ago · 4 km deep · 6 km away
  19. 1.596 km W of Adak, Alaska · 1301 days ago · 2 km deep · 7 km away
  20. 1.595 km W of Adak, Alaska · 1301 days ago · -2 km deep · 7 km away
  21. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1301 days ago · 30 km deep · 44 km away
  22. 1.786 km W of Adak, Alaska · 1301 days ago · 8 km deep · 4 km away
  23. 1.696 km W of Adak, Alaska · 1301 days ago · -2 km deep · 8 km away
  24. 1.6100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 10 km away
  25. 2.1100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 11 km away
  26. 1.688 km W of Adak, Alaska · 1301 days ago · 6 km deep · 4 km away
  27. 1.7101 km W of Adak, Alaska · 1301 days ago · 4 km deep · 12 km away
  28. 1.687 km W of Adak, Alaska · 1301 days ago · 5 km deep · 4 km away
  29. 1.587 km W of Adak, Alaska · 1301 days ago · 4 km deep · 3 km away
  30. 1.8100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 10 km away
  31. 1.689 km W of Adak, Alaska · 1301 days ago · 6 km deep · 0 km away
  32. 2.295 km W of Adak, Alaska · 1301 days ago · 3 km deep · 7 km away
  33. 2.5103 km W of Adak, Alaska · 1301 days ago · 5 km deep · 13 km away
  34. 3.7103 km W of Adak, Alaska · 1301 days ago · 11 km deep · 14 km away
  35. 4.0103 km W of Adak, Alaska · 1301 days ago · 5 km deep · 14 km away
  36. 1.897 km W of Adak, Alaska · 1301 days ago · 4 km deep · 8 km away
  37. 1.7103 km W of Adak, Alaska · 1301 days ago · 5 km deep · 14 km away
  38. 1.596 km W of Adak, Alaska · 1301 days ago · -2 km deep · 8 km away
  39. 1.7100 km W of Adak, Alaska · 1301 days ago · 2 km deep · 11 km away
  40. 2.087 km W of Adak, Alaska · 1301 days ago · 6 km deep · 4 km away
  41. 2.0100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 11 km away
  42. 3.096 km W of Adak, Alaska · 1301 days ago · 3 km deep · 8 km away
  43. 1.789 km W of Adak, Alaska · 1301 days ago · 3 km deep · 0 km away
  44. 1.788 km W of Adak, Alaska · 1301 days ago · 5 km deep · 1 km away
  45. 2.0102 km W of Adak, Alaska · 1301 days ago · 6 km deep · 13 km away
  46. 1.6102 km W of Adak, Alaska · 1301 days ago · 6 km deep · 13 km away
  47. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1301 days ago · 5 km deep · 15 km away
  48. 2.799 km W of Adak, Alaska · 1301 days ago · 5 km deep · 11 km away
  49. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1301 days ago · 6 km deep · 10 km away
  50. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1301 days ago · 4 km deep · 11 km away
  51. 1.7103 km W of Adak, Alaska · 1301 days ago · 5 km deep · 14 km away
  52. 2.1103 km W of Adak, Alaska · 1301 days ago · 3 km deep · 13 km away
  53. 1.699 km W of Adak, Alaska · 1301 days ago · 2 km deep · 10 km away
  54. 1.9114 km WSW of Adak, Alaska · 1301 days ago · 13 km deep · 46 km away
  55. 1.690 km W of Adak, Alaska · 1301 days ago · 6 km deep · 4 km away
  56. 1.696 km W of Adak, Alaska · 1301 days ago · -1 km deep · 8 km away
  57. 1.689 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  58. 2.7101 km W of Adak, Alaska · 1300 days ago · 5 km deep · 13 km away
  59. 2.788 km W of Adak, Alaska · 1300 days ago · 5 km deep · 3 km away
  60. 1.787 km W of Adak, Alaska · 1300 days ago · 7 km deep · 4 km away

The first 60 of at least 200.

Before

  1. 1.841 km SW of Adak, Alaska · 1301 days ago · 64 km deep · 74 km away
  2. 1.7112 km W of Adak, Alaska · 1301 days ago · 6 km deep · 25 km away
  3. 2.0100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 11 km away
  4. 3.1100 km W of Adak, Alaska · 1301 days ago · 9 km deep · 11 km away
  5. 1.8100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 11 km away
  6. 1.697 km W of Adak, Alaska · 1301 days ago · -2 km deep · 8 km away
  7. 1.699 km W of Adak, Alaska · 1301 days ago · 4 km deep · 10 km away
  8. 1.6100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 11 km away
  9. 1.9100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 10 km away
  10. 3.2100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 10 km away
  11. 2.095 km W of Adak, Alaska · 1301 days ago · 2 km deep · 6 km away
  12. 1.590 km W of Adak, Alaska · 1301 days ago · 4 km deep · 3 km away
  13. 1.686 km W of Adak, Alaska · 1301 days ago · 6 km deep · 4 km away
  14. 1.587 km W of Adak, Alaska · 1301 days ago · 5 km deep · 4 km away
  15. 1.893 km W of Adak, Alaska · 1301 days ago · -2 km deep · 9 km away
  16. 2.0100 km W of Adak, Alaska · 1301 days ago · -2 km deep · 10 km away
  17. 3.1101 km W of Adak, Alaska · 1301 days ago · 5 km deep · 11 km away
  18. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1301 days ago · 8 km deep · 14 km away
  19. 1.8100 km W of Adak, Alaska · 1301 days ago · 7 km deep · 13 km away
  20. 2.7103 km W of Adak, Alaska · 1301 days ago · 6 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91133233. Read Fri, Oct 2, 2026, 12:14 PM UTC.