Alaska earthquakes

M1.8 earthquake 191 km WSW of Adak, Alaska

A magnitude 1.8 earthquake struck 191 km WSW of Adak, Alaska on Sun, Aug 6, 2017, 7:49 AM HADT (16:49 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M5.1 125 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-08-06 16:49:38 UTC
Depth
47.6 km (29.6 mi), shallow
Epicenter
51.275° N, 179.229° 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. 2.1215 km WSW of Adak, Alaska · 3344 days ago · 14 km deep · 35 km away
  2. 1.5128 km W of Adak, Alaska · 3344 days ago · 19 km deep · 73 km away
  3. 1.5203 km WSW of Adak, Alaska · 3344 days ago · 26 km deep · 12 km away
  4. 1.7130 km W of Adak, Alaska · 3344 days ago · 18 km deep · 70 km away
  5. 1.7124 km WSW of Adak, Alaska · 3344 days ago · 17 km deep · 71 km away
  6. 1.6134 km W of Adak, Alaska · 3344 days ago · 15 km deep · 69 km away
  7. 2.2129 km W of Adak, Alaska · 3344 days ago · 8 km deep · 70 km away
  8. 1.5127 km WSW of Adak, Alaska · 3343 days ago · 21 km deep · 69 km away
  9. 1.5129 km W of Adak, Alaska · 3343 days ago · 12 km deep · 69 km away
  10. 1.7126 km W of Adak, Alaska · 3343 days ago · 10 km deep · 70 km away
  11. 2.0162 km SW of Adak, Alaska · 3343 days ago · 26 km deep · 89 km away
  12. 1.7143 km W of Adak, Alaska · 3343 days ago · 28 km deep · 73 km away
  13. 1.6128 km WSW of Adak, Alaska · 3343 days ago · 13 km deep · 66 km away
  14. 1.8123 km W of Adak, Alaska · 3343 days ago · 7 km deep · 77 km away
  15. 1.9126 km WSW of Adak, Alaska · 3343 days ago · 17 km deep · 69 km away
  16. 2.4108 km WSW of Adak, Alaska · 3343 days ago · 55 km deep · 84 km away
  17. 2.1Andreanof Islands, Aleutian Islands, Alaska · 3342 days ago · 41 km deep · 67 km away
  18. 1.7132 km W of Adak, Alaska · 3342 days ago · 16 km deep · 68 km away
  19. 2.0128 km W of Adak, Alaska · 3342 days ago · 13 km deep · 71 km away
  20. 2.1125 km W of Adak, Alaska · 3342 days ago · 13 km deep · 71 km away
  21. 3.1135 km WSW of Adak, Alaska · 3342 days ago · 17 km deep · 58 km away
  22. 1.8124 km SW of Adak, Alaska · 3342 days ago · 26 km deep · 87 km away
  23. 1.8128 km WSW of Adak, Alaska · 3341 days ago · 13 km deep · 67 km away
  24. 1.7212 km WSW of Adak, Alaska · 3341 days ago · 55 km deep · 26 km away
  25. 1.7127 km WSW of Adak, Alaska · 3341 days ago · 18 km deep · 68 km away
  26. 1.5135 km WSW of Adak, Alaska · 3341 days ago · 21 km deep · 58 km away
  27. 1.8133 km W of Adak, Alaska · 3341 days ago · 12 km deep · 66 km away
  28. 1.9137 km W of Adak, Alaska · 3341 days ago · 15 km deep · 66 km away
  29. 2.1138 km WSW of Adak, Alaska · 3341 days ago · 5 km deep · 59 km away
  30. 1.9115 km SW of Adak, Alaska · 3341 days ago · 39 km deep · 91 km away
  31. 1.6132 km W of Adak, Alaska · 3341 days ago · 14 km deep · 74 km away
  32. 3.8149 km WSW of Adak, Alaska · 3341 days ago · 43 km deep · 50 km away
  33. 2.1132 km W of Adak, Alaska · 3341 days ago · 7 km deep · 67 km away
  34. 1.6122 km W of Adak, Alaska · 3341 days ago · 14 km deep · 73 km away
  35. 2.7136 km WSW of Adak, Alaska · 3341 days ago · 16 km deep · 59 km away
  36. 1.7124 km W of Adak, Alaska · 3341 days ago · 13 km deep · 72 km away
  37. 1.5121 km SW of Adak, Alaska · 3341 days ago · 3 km deep · 84 km away
  38. 1.6116 km WSW of Adak, Alaska · 3341 days ago · 82 km deep · 75 km away
  39. 1.5125 km W of Adak, Alaska · 3340 days ago · 21 km deep · 73 km away
  40. 1.7130 km W of Adak, Alaska · 3340 days ago · 29 km deep · 68 km away
  41. 1.8127 km W of Adak, Alaska · 3340 days ago · 17 km deep · 71 km away
  42. 2.2132 km W of Adak, Alaska · 3340 days ago · 17 km deep · 73 km away
  43. 4.0130 km WSW of Adak, Alaska · 3340 days ago · 17 km deep · 64 km away
  44. 3.8211 km WSW of Adak, Alaska · 3339 days ago · 52 km deep · 23 km away
  45. 2.3138 km W of Adak, Alaska · 3339 days ago · 13 km deep · 67 km away
  46. 1.5118 km WSW of Adak, Alaska · 3339 days ago · 19 km deep · 74 km away
  47. 1.9238 km W of Adak, Alaska · 3339 days ago · 87 km deep · 77 km away
  48. 1.9126 km W of Adak, Alaska · 3339 days ago · 12 km deep · 71 km away
  49. 1.7135 km W of Adak, Alaska · 3339 days ago · 11 km deep · 71 km away
  50. 1.6128 km WSW of Adak, Alaska · 3339 days ago · 18 km deep · 67 km away
  51. 1.9210 km WSW of Adak, Alaska · 3339 days ago · 58 km deep · 39 km away
  52. 1.5125 km W of Adak, Alaska · 3339 days ago · 17 km deep · 72 km away
  53. 1.5125 km W of Adak, Alaska · 3339 days ago · 14 km deep · 73 km away
  54. 2.1128 km W of Adak, Alaska · 3338 days ago · 14 km deep · 69 km away
  55. 2.1119 km SW of Adak, Alaska · 3338 days ago · 19 km deep · 88 km away
  56. 2.1125 km WSW of Adak, Alaska · 3338 days ago · 7 km deep · 68 km away
  57. 1.7130 km W of Adak, Alaska · 3338 days ago · 19 km deep · 73 km away
  58. 1.597 km WSW of Adak, Alaska · 3338 days ago · 15 km deep · 95 km away
  59. 1.6129 km WSW of Adak, Alaska · 3338 days ago · 16 km deep · 67 km away
  60. 1.5129 km W of Adak, Alaska · 3338 days ago · 16 km deep · 68 km away

The first 60 of at least 200.

Before

  1. 1.7129 km W of Adak, Alaska · 3345 days ago · 14 km deep · 72 km away
  2. 2.2Andreanof Islands, Aleutian Islands, Alaska · 3345 days ago · 59 km deep · 40 km away
  3. 1.6126 km WSW of Adak, Alaska · 3345 days ago · 5 km deep · 67 km away
  4. 2.3143 km W of Adak, Alaska · 3345 days ago · 1 km deep · 92 km away
  5. 3.3136 km WSW of Adak, Alaska · 3345 days ago · 19 km deep · 55 km away
  6. 1.8123 km W of Adak, Alaska · 3345 days ago · 13 km deep · 73 km away
  7. 1.8162 km WSW of Adak, Alaska · 3345 days ago · 14 km deep · 30 km away
  8. 2.5124 km W of Adak, Alaska · 3346 days ago · 11 km deep · 76 km away
  9. 1.9124 km WSW of Adak, Alaska · 3346 days ago · 13 km deep · 71 km away
  10. 2.1125 km WSW of Adak, Alaska · 3346 days ago · 8 km deep · 69 km away
  11. 1.8122 km WSW of Adak, Alaska · 3346 days ago · 10 km deep · 70 km away
  12. 4.8138 km WSW of Adak, Alaska · 3346 days ago · 10 km deep · 54 km away · tsunami flag
  13. 2.5133 km WSW of Adak, Alaska · 3346 days ago · 15 km deep · 58 km away
  14. 2.4156 km WSW of Adak, Alaska · 3346 days ago · 47 km deep · 43 km away
  15. 2.3125 km WSW of Adak, Alaska · 3346 days ago · 8 km deep · 68 km away
  16. 2.3135 km W of Adak, Alaska · 3346 days ago · 6 km deep · 63 km away
  17. 1.8124 km W of Adak, Alaska · 3346 days ago · 19 km deep · 77 km away
  18. 2.1180 km WSW of Adak, Alaska · 3346 days ago · 58 km deep · 13 km away
  19. 1.6127 km WSW of Adak, Alaska · 3347 days ago · 20 km deep · 69 km away
  20. 2.3170 km WSW of Adak, Alaska · 3347 days ago · 10 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017a0sz6d0 (also filed as ak16642865). Read Fri, Oct 2, 2026, 6:18 PM UTC.