Alaska earthquakes

M3.5 earthquake 137 km WSW of Adak, Alaska

A magnitude 3.5 earthquake struck 137 km WSW of Adak, Alaska on Thu, May 4, 2017, 12:38 PM HADT (21:38 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.2 135 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
3.5 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-05-04 21:38:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.384° N, 178.450° 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 4.3 km horizontally, 1.9 km in depth
Depth from
Operator assigned
Station coverage gap
218°, poorly surrounded by stations
Stations used
9

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. 3.4129 km W of Adak, Alaska · 3438 days ago · 10 km deep · 32 km away
  2. 3.5141 km WNW of Adak, Alaska · 3438 days ago · 1 km deep · 97 km away
  3. 3.9133 km WSW of Adak, Alaska · 3438 days ago · 1 km deep · 16 km away
  4. 3.3145 km WSW of Adak, Alaska · 3438 days ago · 5 km deep · 33 km away
  5. 2.5133 km W of Adak, Alaska · 3438 days ago · 12 km deep · 33 km away
  6. 2.4129 km W of Adak, Alaska · 3438 days ago · 12 km deep · 37 km away
  7. 1.9128 km W of Adak, Alaska · 3438 days ago · 7 km deep · 34 km away
  8. 2.9178 km W of Adak, Alaska · 3438 days ago · 28 km deep · 64 km away
  9. 2.1133 km W of Adak, Alaska · 3438 days ago · 12 km deep · 31 km away
  10. 2.3128 km W of Adak, Alaska · 3438 days ago · 7 km deep · 37 km away
  11. 2.9173 km WSW of Adak, Alaska · 3438 days ago · 10 km deep · 39 km away
  12. 2.1129 km W of Adak, Alaska · 3438 days ago · 11 km deep · 38 km away
  13. 2.5137 km WSW of Adak, Alaska · 3438 days ago · 22 km deep · 19 km away
  14. 2.2129 km W of Adak, Alaska · 3438 days ago · 12 km deep · 38 km away
  15. 2.0128 km W of Adak, Alaska · 3438 days ago · 9 km deep · 37 km away
  16. 2.0133 km W of Adak, Alaska · 3438 days ago · 19 km deep · 39 km away
  17. 2.0131 km W of Adak, Alaska · 3438 days ago · 7 km deep · 35 km away
  18. 2.4129 km W of Adak, Alaska · 3438 days ago · 11 km deep · 40 km away
  19. 2.1128 km W of Adak, Alaska · 3438 days ago · 10 km deep · 40 km away
  20. 2.0131 km W of Adak, Alaska · 3438 days ago · 7 km deep · 32 km away
  21. 2.1Andreanof Islands, Aleutian Islands, Alaska · 3438 days ago · 9 km deep · 39 km away
  22. 2.9130 km WSW of Adak, Alaska · 3438 days ago · 1 km deep · 27 km away
  23. 1.9Andreanof Islands, Aleutian Islands, Alaska · 3438 days ago · 5 km deep · 38 km away
  24. 1.9129 km W of Adak, Alaska · 3438 days ago · 11 km deep · 40 km away
  25. 1.8131 km W of Adak, Alaska · 3438 days ago · 5 km deep · 33 km away
  26. 2.5132 km W of Adak, Alaska · 3438 days ago · 8 km deep · 33 km away
  27. 1.9131 km W of Adak, Alaska · 3438 days ago · 15 km deep · 40 km away
  28. 2.4133 km WSW of Adak, Alaska · 3438 days ago · 3 km deep · 29 km away
  29. 3.1133 km WSW of Adak, Alaska · 3438 days ago · 11 km deep · 30 km away
  30. 1.8131 km W of Adak, Alaska · 3438 days ago · 13 km deep · 42 km away
  31. 1.9131 km W of Adak, Alaska · 3438 days ago · 6 km deep · 38 km away
  32. 2.1129 km W of Adak, Alaska · 3438 days ago · 5 km deep · 34 km away
  33. 2.1130 km WSW of Adak, Alaska · 3438 days ago · 8 km deep · 27 km away
  34. 1.9130 km W of Adak, Alaska · 3438 days ago · 8 km deep · 33 km away
  35. 1.9129 km WSW of Adak, Alaska · 3438 days ago · 5 km deep · 30 km away
  36. 2.2Andreanof Islands, Aleutian Islands, Alaska · 3437 days ago · 17 km deep · 44 km away
  37. 3.8129 km W of Adak, Alaska · 3437 days ago · 28 km deep · 42 km away
  38. 2.5129 km W of Adak, Alaska · 3437 days ago · 7 km deep · 36 km away
  39. 2.0129 km W of Adak, Alaska · 3437 days ago · 12 km deep · 37 km away
  40. 1.9131 km W of Adak, Alaska · 3437 days ago · 13 km deep · 37 km away
  41. 1.8132 km W of Adak, Alaska · 3437 days ago · 18 km deep · 42 km away
  42. 1.8132 km W of Adak, Alaska · 3437 days ago · 17 km deep · 43 km away
  43. 4.2130 km W of Adak, Alaska · 3437 days ago · 10 km deep · 37 km away
  44. 2.5131 km W of Adak, Alaska · 3437 days ago · 1 km deep · 32 km away
  45. 2.4130 km W of Adak, Alaska · 3437 days ago · 13 km deep · 33 km away
  46. 2.3132 km W of Adak, Alaska · 3437 days ago · 7 km deep · 33 km away
  47. 2.3129 km W of Adak, Alaska · 3437 days ago · 11 km deep · 44 km away
  48. 3.3131 km W of Adak, Alaska · 3437 days ago · 13 km deep · 36 km away
  49. 2.0128 km W of Adak, Alaska · 3437 days ago · 5 km deep · 37 km away
  50. 2.1132 km W of Adak, Alaska · 3437 days ago · 10 km deep · 34 km away
  51. 2.2126 km W of Adak, Alaska · 3437 days ago · 19 km deep · 38 km away
  52. 3.3140 km WSW of Adak, Alaska · 3437 days ago · 2 km deep · 11 km away
  53. 3.3136 km WSW of Adak, Alaska · 3437 days ago · 5 km deep · 20 km away
  54. 2.5129 km WSW of Adak, Alaska · 3437 days ago · 17 km deep · 31 km away
  55. 1.772 km WSW of Adak, Alaska · 3437 days ago · 26 km deep · 65 km away
  56. 3.0133 km WSW of Adak, Alaska · 3437 days ago · 13 km deep · 19 km away
  57. 3.0140 km WSW of Adak, Alaska · 3437 days ago · 2 km deep · 6 km away
  58. 2.8135 km W of Adak, Alaska · 3437 days ago · 5 km deep · 35 km away
  59. 2.0130 km WSW of Adak, Alaska · 3437 days ago · 5 km deep · 29 km away
  60. 2.8128 km W of Adak, Alaska · 3437 days ago · 13 km deep · 38 km away

The first 60 of at least 202.

Before

  1. 1.9130 km W of Adak, Alaska · 3438 days ago · 10 km deep · 38 km away
  2. 2.6Andreanof Islands, Aleutian Islands, Alaska · 3438 days ago · 10 km deep · 10 km away
  3. 2.9137 km WSW of Adak, Alaska · 3438 days ago · 16 km deep · 19 km away
  4. 2.0128 km W of Adak, Alaska · 3438 days ago · 19 km deep · 43 km away
  5. 2.4127 km W of Adak, Alaska · 3438 days ago · 9 km deep · 35 km away
  6. 2.3135 km WSW of Adak, Alaska · 3438 days ago · 18 km deep · 15 km away
  7. 1.8127 km W of Adak, Alaska · 3438 days ago · 12 km deep · 35 km away
  8. 2.1128 km WSW of Adak, Alaska · 3438 days ago · 7 km deep · 31 km away
  9. 1.6113 km WSW of Adak, Alaska · 3438 days ago · 1 km deep · 34 km away
  10. 1.8129 km W of Adak, Alaska · 3438 days ago · 8 km deep · 33 km away
  11. 2.3138 km W of Adak, Alaska · 3438 days ago · 28 km deep · 44 km away
  12. 2.1129 km W of Adak, Alaska · 3438 days ago · 16 km deep · 39 km away
  13. 2.0127 km WSW of Adak, Alaska · 3438 days ago · 6 km deep · 30 km away
  14. 2.2128 km WSW of Adak, Alaska · 3438 days ago · 9 km deep · 31 km away
  15. 2.4124 km WSW of Adak, Alaska · 3438 days ago · 4 km deep · 29 km away
  16. 1.8124 km W of Adak, Alaska · 3438 days ago · 8 km deep · 37 km away
  17. 1.9129 km WSW of Adak, Alaska · 3438 days ago · 6 km deep · 28 km away
  18. 1.8117 km WSW of Adak, Alaska · 3438 days ago · 0 km deep · 32 km away
  19. 2.2128 km W of Adak, Alaska · 3438 days ago · 7 km deep · 31 km away
  20. 2.6133 km WSW of Adak, Alaska · 3438 days ago · 15 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008pj4 (also filed as ak15909753). Read Fri, Oct 2, 2026, 7:59 PM UTC.