Alaska earthquakes

M2.0 earthquake 99 km W of Adak, Alaska

A magnitude 2.0 earthquake struck 99 km W of Adak, Alaska on Thu, Mar 9, 2023, 12:08 PM HAST (22:08 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.6 134 km WSW 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
2.0 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2023-03-09 22:08:04 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
51.860° N, 178.084° 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, 0.3 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
125°
Stations used
7

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.5108 km W of Adak, Alaska · 1302 days ago · 5 km deep · 8 km away
  2. 1.6101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 1 km away
  3. 2.7102 km W of Adak, Alaska · 1302 days ago · 6 km deep · 2 km away
  4. 1.6100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  5. 1.8101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 1 km away
  6. 2.4101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 2 km away
  7. 1.6102 km W of Adak, Alaska · 1302 days ago · 6 km deep · 3 km away
  8. 1.699 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  9. 1.5100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 1 km away
  10. 2.0101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 1 km away
  11. 1.6100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  12. 1.8101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 2 km away
  13. 2.3101 km W of Adak, Alaska · 1301 days ago · 5 km deep · 1 km away
  14. 2.099 km W of Adak, Alaska · 1301 days ago · 3 km deep · 0 km away
  15. 1.699 km W of Adak, Alaska · 1301 days ago · 0 km deep · 1 km away
  16. 1.5101 km W of Adak, Alaska · 1301 days ago · 4 km deep · 2 km away
  17. 1.6100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  18. 3.2101 km W of Adak, Alaska · 1301 days ago · 9 km deep · 6 km away
  19. 2.0101 km W of Adak, Alaska · 1301 days ago · 6 km deep · 1 km away
  20. 1.8100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  21. 2.4100 km W of Adak, Alaska · 1301 days ago · 8 km deep · 5 km away
  22. 1.9101 km W of Adak, Alaska · 1301 days ago · 5 km deep · 1 km away
  23. 1.6100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  24. 1.8100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 0 km away
  25. 1.6100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  26. 2.099 km W of Adak, Alaska · 1301 days ago · 2 km deep · 1 km away
  27. 2.4100 km W of Adak, Alaska · 1301 days ago · -2 km deep · 1 km away
  28. 2.799 km W of Adak, Alaska · 1301 days ago · 5 km deep · 2 km away
  29. 2.2100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  30. 1.7101 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  31. 1.599 km W of Adak, Alaska · 1301 days ago · 4 km deep · 0 km away
  32. 1.899 km W of Adak, Alaska · 1301 days ago · 4 km deep · 0 km away
  33. 1.8100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  34. 1.7100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 1 km away
  35. 1.799 km W of Adak, Alaska · 1301 days ago · 4 km deep · 0 km away
  36. 2.3100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 2 km away
  37. 1.6100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  38. 1.799 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  39. 2.9101 km W of Adak, Alaska · 1301 days ago · 6 km deep · 2 km away
  40. 1.9101 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  41. 1.9100 km W of Adak, Alaska · 1301 days ago · 3 km deep · 1 km away
  42. 1.6100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  43. 3.393 km W of Adak, Alaska · 1301 days ago · 6 km deep · 7 km away
  44. 1.7100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 1 km away
  45. 1.8100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  46. 3.5100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 3 km away
  47. 1.6100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  48. 2.1104 km W of Adak, Alaska · 1301 days ago · 6 km deep · 5 km away
  49. 2.1100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 0 km away
  50. 1.793 km W of Adak, Alaska · 1301 days ago · 3 km deep · 6 km away
  51. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1301 days ago · 5 km deep · 2 km away
  52. 1.599 km W of Adak, Alaska · 1301 days ago · 2 km deep · 0 km away
  53. 1.598 km W of Adak, Alaska · 1301 days ago · -2 km deep · 1 km away
  54. 1.692 km W of Adak, Alaska · 1301 days ago · -1 km deep · 7 km away
  55. 1.9101 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  56. 1.9100 km W of Adak, Alaska · 1301 days ago · 4 km deep · 1 km away
  57. 2.4100 km W of Adak, Alaska · 1301 days ago · 6 km deep · 3 km away
  58. 2.799 km W of Adak, Alaska · 1301 days ago · 2 km deep · 4 km away
  59. 1.6100 km W of Adak, Alaska · 1301 days ago · 1 km deep · 1 km away
  60. 2.0100 km W of Adak, Alaska · 1301 days ago · 5 km deep · 1 km away

The first 60 of at least 202.

Before

  1. 2.2100 km W of Adak, Alaska · 1302 days ago · 6 km deep · 1 km away
  2. 1.8100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 2 km away
  3. 2.398 km W of Adak, Alaska · 1302 days ago · 5 km deep · 5 km away
  4. 1.6103 km W of Adak, Alaska · 1302 days ago · 5 km deep · 4 km away
  5. 2.9102 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  6. 2.1101 km W of Adak, Alaska · 1302 days ago · 5 km deep · 2 km away
  7. 1.7100 km W of Adak, Alaska · 1302 days ago · 4 km deep · 0 km away
  8. 2.2103 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  9. 1.5102 km W of Adak, Alaska · 1302 days ago · 5 km deep · 3 km away
  10. 2.0103 km W of Adak, Alaska · 1302 days ago · 5 km deep · 4 km away
  11. 1.8100 km W of Adak, Alaska · 1302 days ago · 3 km deep · 1 km away
  12. 1.994 km W of Adak, Alaska · 1302 days ago · 2 km deep · 5 km away
  13. 1.797 km W of Adak, Alaska · 1302 days ago · 1 km deep · 2 km away
  14. 2.193 km W of Adak, Alaska · 1302 days ago · 3 km deep · 7 km away
  15. 2.194 km W of Adak, Alaska · 1302 days ago · 4 km deep · 6 km away
  16. 2.2103 km W of Adak, Alaska · 1302 days ago · 6 km deep · 4 km away
  17. 2.0104 km W of Adak, Alaska · 1302 days ago · 4 km deep · 4 km away
  18. 1.7101 km W of Adak, Alaska · 1302 days ago · -2 km deep · 1 km away
  19. 2.395 km W of Adak, Alaska · 1302 days ago · 3 km deep · 5 km away
  20. 1.897 km W of Adak, Alaska · 1302 days ago · -2 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91793751. Read Thu, Oct 1, 2026, 10:17 AM UTC.