Alaska earthquakes

M1.8 earthquake 205 km W of Adak, Alaska

A magnitude 1.8 earthquake struck 205 km W of Adak, Alaska on Wed, Jun 21, 2017, 12:06 AM HADT (09:06 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M5.0 272 km W 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-06-21 09:06:21 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
51.575° N, 179.564° 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
15

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. 1.7131 km W of Adak, Alaska · 3390 days ago · 13 km deep · 74 km away
  2. 1.8130 km WSW of Adak, Alaska · 3390 days ago · 13 km deep · 75 km away
  3. 1.9122 km WSW of Adak, Alaska · 3390 days ago · 7 km deep · 84 km away
  4. 5.0272 km W of Adak, Alaska · 3390 days ago · 159 km deep · 96 km away · tsunami flag
  5. 2.4126 km W of Adak, Alaska · 3390 days ago · 17 km deep · 79 km away
  6. 1.9124 km W of Adak, Alaska · 3390 days ago · 14 km deep · 80 km away
  7. 2.0127 km WSW of Adak, Alaska · 3390 days ago · 13 km deep · 78 km away
  8. 1.7132 km W of Adak, Alaska · 3390 days ago · 14 km deep · 73 km away
  9. 2.2126 km WSW of Adak, Alaska · 3390 days ago · 13 km deep · 79 km away
  10. 4.4126 km WSW of Adak, Alaska · 3390 days ago · 10 km deep · 81 km away
  11. 1.8131 km W of Adak, Alaska · 3390 days ago · 14 km deep · 73 km away
  12. 1.7125 km WSW of Adak, Alaska · 3390 days ago · 8 km deep · 80 km away
  13. 3.1128 km WSW of Adak, Alaska · 3390 days ago · 19 km deep · 79 km away
  14. 2.4125 km W of Adak, Alaska · 3390 days ago · 17 km deep · 80 km away
  15. 1.7125 km WSW of Adak, Alaska · 3390 days ago · 10 km deep · 80 km away
  16. 2.2125 km WSW of Adak, Alaska · 3390 days ago · 12 km deep · 80 km away
  17. 3.5126 km WSW of Adak, Alaska · 3390 days ago · 10 km deep · 79 km away
  18. 2.0126 km WSW of Adak, Alaska · 3390 days ago · 13 km deep · 80 km away
  19. 2.0121 km WSW of Adak, Alaska · 3389 days ago · 13 km deep · 83 km away
  20. 2.0124 km WSW of Adak, Alaska · 3389 days ago · 8 km deep · 81 km away
  21. 2.0122 km WSW of Adak, Alaska · 3389 days ago · 5 km deep · 83 km away
  22. 2.1131 km W of Adak, Alaska · 3389 days ago · 15 km deep · 77 km away
  23. 1.9125 km W of Adak, Alaska · 3389 days ago · 14 km deep · 79 km away
  24. 1.9129 km W of Adak, Alaska · 3389 days ago · 14 km deep · 76 km away
  25. 3.1166 km WSW of Adak, Alaska · 3389 days ago · 17 km deep · 53 km away
  26. 2.7126 km WSW of Adak, Alaska · 3389 days ago · 10 km deep · 86 km away
  27. 2.9126 km WSW of Adak, Alaska · 3389 days ago · 13 km deep · 79 km away
  28. 2.5125 km W of Adak, Alaska · 3389 days ago · 27 km deep · 80 km away
  29. 3.2125 km WSW of Adak, Alaska · 3388 days ago · 14 km deep · 85 km away
  30. 3.0125 km WSW of Adak, Alaska · 3388 days ago · 12 km deep · 88 km away
  31. 2.9240 km WSW of Adak, Alaska · 3388 days ago · 11 km deep · 60 km away
  32. 2.5163 km W of Adak, Alaska · 3388 days ago · 92 km deep · 43 km away
  33. 2.2127 km W of Adak, Alaska · 3388 days ago · 15 km deep · 77 km away
  34. 2.1140 km WSW of Adak, Alaska · 3388 days ago · 27 km deep · 71 km away
  35. 3.7256 km WSW of Adak, Alaska · 3388 days ago · 34 km deep · 64 km away
  36. 1.6125 km W of Adak, Alaska · 3388 days ago · 15 km deep · 80 km away
  37. 1.7129 km W of Adak, Alaska · 3388 days ago · 12 km deep · 75 km away
  38. 2.0130 km W of Adak, Alaska · 3388 days ago · 9 km deep · 75 km away
  39. 2.5Rat Islands, Aleutian Islands, Alaska · 3388 days ago · 42 km deep · 97 km away
  40. 2.1108 km WSW of Adak, Alaska · 3388 days ago · 4 km deep · 97 km away
  41. 1.6126 km W of Adak, Alaska · 3387 days ago · 12 km deep · 78 km away
  42. 2.0125 km WSW of Adak, Alaska · 3387 days ago · 5 km deep · 80 km away
  43. 2.1129 km W of Adak, Alaska · 3387 days ago · 14 km deep · 75 km away
  44. 1.9124 km W of Adak, Alaska · 3387 days ago · 13 km deep · 81 km away
  45. 1.8130 km W of Adak, Alaska · 3387 days ago · 16 km deep · 74 km away
  46. 1.8133 km W of Adak, Alaska · 3387 days ago · 5 km deep · 72 km away
  47. 1.9127 km W of Adak, Alaska · 3386 days ago · 9 km deep · 78 km away
  48. 3.3120 km WSW of Adak, Alaska · 3386 days ago · 6 km deep · 85 km away
  49. 2.0127 km WSW of Adak, Alaska · 3386 days ago · 13 km deep · 78 km away
  50. 2.3124 km W of Adak, Alaska · 3386 days ago · 15 km deep · 81 km away
  51. 2.8136 km WSW of Adak, Alaska · 3386 days ago · 10 km deep · 71 km away
  52. 2.2126 km W of Adak, Alaska · 3386 days ago · 15 km deep · 78 km away
  53. 2.9125 km WSW of Adak, Alaska · 3385 days ago · 19 km deep · 80 km away
  54. 3.0253 km W of Adak, Alaska · 3385 days ago · 75 km deep · 49 km away
  55. 1.9179 km W of Adak, Alaska · 3385 days ago · 7 km deep · 34 km away
  56. 1.9127 km WSW of Adak, Alaska · 3385 days ago · 13 km deep · 78 km away
  57. 1.8125 km W of Adak, Alaska · 3384 days ago · 15 km deep · 80 km away
  58. 2.0128 km W of Adak, Alaska · 3384 days ago · 15 km deep · 76 km away
  59. 1.6129 km W of Adak, Alaska · 3384 days ago · 18 km deep · 75 km away
  60. 1.7123 km W of Adak, Alaska · 3383 days ago · 13 km deep · 81 km away

The first 60 of at least 200.

Before

  1. 2.5132 km W of Adak, Alaska · 3391 days ago · 26 km deep · 76 km away
  2. 3.9128 km W of Adak, Alaska · 3391 days ago · 132 km deep · 88 km away
  3. 1.6128 km WSW of Adak, Alaska · 3391 days ago · 7 km deep · 77 km away
  4. 2.1121 km WSW of Adak, Alaska · 3391 days ago · 20 km deep · 85 km away
  5. 2.9132 km WSW of Adak, Alaska · 3391 days ago · 16 km deep · 73 km away
  6. 2.5130 km WSW of Adak, Alaska · 3391 days ago · 6 km deep · 86 km away
  7. 2.2131 km W of Adak, Alaska · 3391 days ago · 16 km deep · 74 km away
  8. 1.5129 km WSW of Adak, Alaska · 3391 days ago · 7 km deep · 77 km away
  9. 3.1123 km WSW of Adak, Alaska · 3391 days ago · 18 km deep · 84 km away
  10. 1.8131 km W of Adak, Alaska · 3391 days ago · 15 km deep · 75 km away
  11. 1.5133 km W of Adak, Alaska · 3391 days ago · 14 km deep · 72 km away
  12. 1.6131 km W of Adak, Alaska · 3391 days ago · 15 km deep · 74 km away
  13. 1.5131 km W of Adak, Alaska · 3391 days ago · 13 km deep · 73 km away
  14. 1.8132 km W of Adak, Alaska · 3391 days ago · 22 km deep · 74 km away
  15. 4.1133 km WSW of Adak, Alaska · 3391 days ago · 10 km deep · 72 km away
  16. 4.5139 km WSW of Adak, Alaska · 3391 days ago · 49 km deep · 78 km away
  17. 2.1206 km W of Adak, Alaska · 3392 days ago · 111 km deep · 27 km away
  18. 1.9130 km WSW of Adak, Alaska · 3392 days ago · 13 km deep · 75 km away
  19. 1.9129 km WSW of Adak, Alaska · 3392 days ago · 60 km deep · 88 km away
  20. 3.6134 km WSW of Adak, Alaska · 3392 days ago · 44 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0177wltxd3 (also filed as ak16344246). Read Fri, Oct 2, 2026, 9:40 PM UTC.