Alaska earthquakes

M2.1 earthquake 140 km WSW of Adak, Alaska

A magnitude 2.1 earthquake struck 140 km WSW of Adak, Alaska on Fri, Jun 23, 2017, 1:54 PM HADT (22:54 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.8 138 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-06-23 22:54:45 UTC
Depth
27.2 km (16.9 mi), shallow
Epicenter
51.460° N, 178.550° 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.

Stations used
19

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. 1.6125 km W of Adak, Alaska · 3388 days ago · 15 km deep · 29 km away
  2. 1.7129 km W of Adak, Alaska · 3388 days ago · 12 km deep · 26 km away
  3. 2.0130 km W of Adak, Alaska · 3388 days ago · 9 km deep · 24 km away
  4. 2.1108 km WSW of Adak, Alaska · 3388 days ago · 4 km deep · 36 km away
  5. 1.9118 km SW of Adak, Alaska · 3388 days ago · 47 km deep · 40 km away
  6. 1.6126 km W of Adak, Alaska · 3388 days ago · 12 km deep · 25 km away
  7. 2.0125 km WSW of Adak, Alaska · 3387 days ago · 5 km deep · 19 km away
  8. 2.1129 km W of Adak, Alaska · 3387 days ago · 14 km deep · 27 km away
  9. 1.9124 km W of Adak, Alaska · 3387 days ago · 13 km deep · 29 km away
  10. 1.8130 km W of Adak, Alaska · 3387 days ago · 16 km deep · 28 km away
  11. 1.8133 km W of Adak, Alaska · 3387 days ago · 5 km deep · 22 km away
  12. 1.9127 km W of Adak, Alaska · 3387 days ago · 9 km deep · 29 km away
  13. 3.3120 km WSW of Adak, Alaska · 3386 days ago · 6 km deep · 24 km away
  14. 2.0127 km WSW of Adak, Alaska · 3386 days ago · 13 km deep · 20 km away
  15. 3.859 km WSW of Adak, Alaska · 3386 days ago · 102 km deep · 81 km away
  16. 2.3124 km W of Adak, Alaska · 3386 days ago · 15 km deep · 28 km away
  17. 2.8136 km WSW of Adak, Alaska · 3386 days ago · 10 km deep · 10 km away
  18. 2.2126 km W of Adak, Alaska · 3386 days ago · 15 km deep · 26 km away
  19. 2.9125 km WSW of Adak, Alaska · 3386 days ago · 19 km deep · 20 km away
  20. 2.5124 km WNW of Adak, Alaska · 3385 days ago · 207 km deep · 99 km away
  21. 3.751 km WSW of Adak, Alaska · 3385 days ago · 80 km deep · 88 km away
  22. 1.9179 km W of Adak, Alaska · 3385 days ago · 7 km deep · 60 km away
  23. 1.9127 km WSW of Adak, Alaska · 3385 days ago · 13 km deep · 18 km away
  24. 2.2108 km WSW of Adak, Alaska · 3384 days ago · 55 km deep · 34 km away
  25. 1.8125 km W of Adak, Alaska · 3384 days ago · 15 km deep · 27 km away
  26. 2.396 km SW of Adak, Alaska · 3384 days ago · 49 km deep · 57 km away
  27. 2.0128 km W of Adak, Alaska · 3384 days ago · 15 km deep · 30 km away
  28. 1.6129 km W of Adak, Alaska · 3384 days ago · 18 km deep · 31 km away
  29. 1.7123 km W of Adak, Alaska · 3384 days ago · 13 km deep · 27 km away
  30. 1.963 km W of Adak, Alaska · 3384 days ago · 5 km deep · 78 km away
  31. 2.563 km WSW of Adak, Alaska · 3383 days ago · 13 km deep · 78 km away
  32. 1.8128 km WSW of Adak, Alaska · 3383 days ago · 7 km deep · 17 km away
  33. 1.9126 km W of Adak, Alaska · 3383 days ago · 12 km deep · 27 km away
  34. 1.6Andreanof Islands, Aleutian Islands, Alaska · 3383 days ago · 5 km deep · 18 km away
  35. 2.5131 km WSW of Adak, Alaska · 3383 days ago · 6 km deep · 20 km away
  36. 2.0178 km WSW of Adak, Alaska · 3383 days ago · 23 km deep · 38 km away
  37. 1.9181 km WSW of Adak, Alaska · 3383 days ago · 57 km deep · 42 km away
  38. 2.1193 km WSW of Adak, Alaska · 3383 days ago · 63 km deep · 54 km away
  39. 2.0127 km W of Adak, Alaska · 3383 days ago · 13 km deep · 25 km away
  40. 1.7134 km W of Adak, Alaska · 3383 days ago · 13 km deep · 29 km away
  41. 1.6134 km W of Adak, Alaska · 3383 days ago · 10 km deep · 25 km away
  42. 1.7Andreanof Islands, Aleutian Islands, Alaska · 3383 days ago · 22 km deep · 32 km away
  43. 2.1132 km W of Adak, Alaska · 3383 days ago · 13 km deep · 34 km away
  44. 1.6134 km W of Adak, Alaska · 3383 days ago · 7 km deep · 28 km away
  45. 1.5132 km W of Adak, Alaska · 3383 days ago · 21 km deep · 37 km away
  46. 1.8122 km WSW of Adak, Alaska · 3383 days ago · 13 km deep · 26 km away
  47. 2.0120 km W of Adak, Alaska · 3383 days ago · 13 km deep · 33 km away
  48. 3.0123 km WSW of Adak, Alaska · 3382 days ago · 20 km deep · 23 km away
  49. 1.7129 km W of Adak, Alaska · 3382 days ago · 13 km deep · 25 km away
  50. 1.6129 km W of Adak, Alaska · 3382 days ago · 13 km deep · 26 km away
  51. 2.0133 km W of Adak, Alaska · 3382 days ago · 14 km deep · 31 km away
  52. 1.9125 km WSW of Adak, Alaska · 3382 days ago · 9 km deep · 18 km away
  53. 2.5127 km W of Adak, Alaska · 3382 days ago · 23 km deep · 33 km away
  54. 2.1132 km W of Adak, Alaska · 3382 days ago · 12 km deep · 25 km away
  55. 2.6139 km WSW of Adak, Alaska · 3382 days ago · 10 km deep · 17 km away
  56. 1.8125 km WSW of Adak, Alaska · 3382 days ago · 13 km deep · 20 km away
  57. 1.6122 km W of Adak, Alaska · 3382 days ago · 11 km deep · 29 km away
  58. 2.2126 km WSW of Adak, Alaska · 3382 days ago · 11 km deep · 22 km away
  59. 1.6124 km W of Adak, Alaska · 3382 days ago · 12 km deep · 29 km away
  60. 2.4122 km SW of Adak, Alaska · 3381 days ago · 26 km deep · 47 km away

The first 60 of at least 202.

Before

  1. 2.2127 km W of Adak, Alaska · 3388 days ago · 15 km deep · 27 km away
  2. 2.5163 km W of Adak, Alaska · 3388 days ago · 92 km deep · 45 km away
  3. 2.896 km SW of Adak, Alaska · 3389 days ago · 35 km deep · 60 km away
  4. 3.0125 km WSW of Adak, Alaska · 3389 days ago · 12 km deep · 17 km away
  5. 3.2125 km WSW of Adak, Alaska · 3389 days ago · 14 km deep · 15 km away
  6. 2.5125 km W of Adak, Alaska · 3389 days ago · 27 km deep · 27 km away
  7. 2.9126 km WSW of Adak, Alaska · 3389 days ago · 13 km deep · 21 km away
  8. 2.7126 km WSW of Adak, Alaska · 3389 days ago · 10 km deep · 15 km away
  9. 3.1166 km WSW of Adak, Alaska · 3389 days ago · 17 km deep · 27 km away
  10. 1.9129 km W of Adak, Alaska · 3389 days ago · 14 km deep · 25 km away
  11. 1.9125 km W of Adak, Alaska · 3389 days ago · 14 km deep · 30 km away
  12. 2.1131 km W of Adak, Alaska · 3389 days ago · 15 km deep · 44 km away
  13. 2.0122 km WSW of Adak, Alaska · 3390 days ago · 5 km deep · 25 km away
  14. 2.0124 km WSW of Adak, Alaska · 3390 days ago · 8 km deep · 22 km away
  15. 2.0121 km WSW of Adak, Alaska · 3390 days ago · 13 km deep · 26 km away
  16. 1.568 km SW of Adak, Alaska · 3390 days ago · 46 km deep · 77 km away
  17. 1.6Andreanof Islands, Aleutian Islands, Alaska · 3390 days ago · 11 km deep · 82 km away
  18. 2.0126 km WSW of Adak, Alaska · 3390 days ago · 13 km deep · 19 km away
  19. 2.072 km SW of Adak, Alaska · 3390 days ago · 16 km deep · 85 km away
  20. 3.5126 km WSW of Adak, Alaska · 3390 days ago · 10 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017804xlfr (also filed as ak16218048). Read Sat, Oct 3, 2026, 2:48 AM UTC.