Alaska earthquakes

M2.3 earthquake 131 km W of Adak, Alaska

A magnitude 2.3 earthquake struck 131 km W of Adak, Alaska on Sun, May 21, 2017, 10:46 AM HADT (19:46 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M4.8 127 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-21 19:46:41 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
51.740° N, 178.531° 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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.3122 km WSW of Adak, Alaska · 3421 days ago · 8 km deep · 14 km away
  2. 3.1133 km WSW of Adak, Alaska · 3421 days ago · 19 km deep · 10 km away
  3. 2.6125 km WSW of Adak, Alaska · 3421 days ago · 17 km deep · 23 km away
  4. 3.8126 km WSW of Adak, Alaska · 3421 days ago · 19 km deep · 13 km away
  5. 1.9131 km WSW of Adak, Alaska · 3421 days ago · 15 km deep · 10 km away
  6. 2.0124 km W of Adak, Alaska · 3421 days ago · 14 km deep · 11 km away
  7. 2.2131 km W of Adak, Alaska · 3421 days ago · 14 km deep · 2 km away
  8. 2.1127 km WSW of Adak, Alaska · 3421 days ago · 13 km deep · 21 km away
  9. 2.2124 km WSW of Adak, Alaska · 3420 days ago · 14 km deep · 20 km away
  10. 1.9Andreanof Islands, Aleutian Islands, Alaska · 3420 days ago · 12 km deep · 13 km away
  11. 2.1126 km WSW of Adak, Alaska · 3420 days ago · 19 km deep · 25 km away
  12. 2.2125 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 16 km away
  13. 2.3120 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 23 km away
  14. 2.5126 km W of Adak, Alaska · 3420 days ago · 26 km deep · 10 km away
  15. 2.1136 km W of Adak, Alaska · 3420 days ago · 13 km deep · 6 km away
  16. 2.1131 km W of Adak, Alaska · 3420 days ago · 14 km deep · 0 km away
  17. 2.3126 km W of Adak, Alaska · 3420 days ago · 12 km deep · 8 km away
  18. 1.7125 km W of Adak, Alaska · 3420 days ago · 13 km deep · 8 km away
  19. 2.9128 km WSW of Adak, Alaska · 3420 days ago · 6 km deep · 13 km away
  20. 2.1126 km W of Adak, Alaska · 3420 days ago · 21 km deep · 8 km away
  21. 1.9133 km W of Adak, Alaska · 3420 days ago · 19 km deep · 16 km away
  22. 1.9133 km W of Adak, Alaska · 3420 days ago · 15 km deep · 2 km away
  23. 3.8Andreanof Islands, Aleutian Islands, Alaska · 3420 days ago · 6 km deep · 16 km away
  24. 3.6129 km WSW of Adak, Alaska · 3420 days ago · 13 km deep · 11 km away
  25. 3.8135 km WSW of Adak, Alaska · 3420 days ago · 10 km deep · 40 km away
  26. 2.7126 km WSW of Adak, Alaska · 3420 days ago · 17 km deep · 12 km away
  27. 2.2127 km W of Adak, Alaska · 3420 days ago · 13 km deep · 8 km away
  28. 3.5126 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 14 km away
  29. 3.0133 km W of Adak, Alaska · 3420 days ago · 8 km deep · 7 km away
  30. 1.9121 km WSW of Adak, Alaska · 3420 days ago · 22 km deep · 14 km away
  31. 2.2126 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 11 km away
  32. 1.9123 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 14 km away
  33. 2.1127 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 15 km away
  34. 1.8123 km W of Adak, Alaska · 3420 days ago · 15 km deep · 10 km away
  35. 3.3127 km W of Adak, Alaska · 3420 days ago · 12 km deep · 4 km away
  36. 1.9128 km W of Adak, Alaska · 3420 days ago · 9 km deep · 4 km away
  37. 2.4124 km WSW of Adak, Alaska · 3420 days ago · 7 km deep · 17 km away
  38. 2.1128 km WSW of Adak, Alaska · 3420 days ago · 13 km deep · 13 km away
  39. 2.0132 km W of Adak, Alaska · 3419 days ago · 13 km deep · 7 km away
  40. 1.9125 km W of Adak, Alaska · 3419 days ago · 23 km deep · 6 km away
  41. 2.4129 km WSW of Adak, Alaska · 3419 days ago · 7 km deep · 15 km away
  42. 1.7123 km WSW of Adak, Alaska · 3419 days ago · 8 km deep · 16 km away
  43. 2.0127 km WSW of Adak, Alaska · 3419 days ago · 5 km deep · 13 km away
  44. 1.9130 km W of Adak, Alaska · 3419 days ago · 11 km deep · 5 km away
  45. 1.7129 km W of Adak, Alaska · 3419 days ago · 12 km deep · 7 km away
  46. 1.661 km SW of Adak, Alaska · 3419 days ago · 41 km deep · 98 km away
  47. 1.9132 km W of Adak, Alaska · 3419 days ago · 12 km deep · 5 km away
  48. 1.9124 km WSW of Adak, Alaska · 3419 days ago · 13 km deep · 13 km away
  49. 1.6127 km W of Adak, Alaska · 3419 days ago · 15 km deep · 6 km away
  50. 3.7123 km WSW of Adak, Alaska · 3419 days ago · 8 km deep · 15 km away
  51. 1.8127 km W of Adak, Alaska · 3419 days ago · 19 km deep · 6 km away
  52. 1.9131 km W of Adak, Alaska · 3419 days ago · 12 km deep · 4 km away
  53. 2.9126 km WSW of Adak, Alaska · 3419 days ago · 5 km deep · 24 km away
  54. 1.9135 km W of Adak, Alaska · 3419 days ago · 7 km deep · 7 km away
  55. 2.1132 km WSW of Adak, Alaska · 3419 days ago · 8 km deep · 10 km away
  56. 1.8133 km W of Adak, Alaska · 3419 days ago · 11 km deep · 3 km away
  57. 1.8121 km WSW of Adak, Alaska · 3419 days ago · 14 km deep · 15 km away
  58. 2.1132 km W of Adak, Alaska · 3419 days ago · 17 km deep · 3 km away
  59. 2.2124 km WSW of Adak, Alaska · 3419 days ago · 10 km deep · 21 km away
  60. 2.1137 km W of Adak, Alaska · 3419 days ago · 13 km deep · 11 km away

The first 60 of at least 202.

Before

  1. 2.2128 km WSW of Adak, Alaska · 3421 days ago · 13 km deep · 16 km away
  2. 3.3127 km WSW of Adak, Alaska · 3421 days ago · 15 km deep · 11 km away
  3. 2.8121 km WSW of Adak, Alaska · 3421 days ago · 13 km deep · 17 km away
  4. 2.5130 km W of Adak, Alaska · 3421 days ago · 13 km deep · 8 km away
  5. 2.047 km W of Adak, Alaska · 3421 days ago · 68 km deep · 84 km away
  6. 2.2129 km W of Adak, Alaska · 3421 days ago · 13 km deep · 7 km away
  7. 2.2126 km WSW of Adak, Alaska · 3422 days ago · 13 km deep · 12 km away
  8. 2.0125 km WSW of Adak, Alaska · 3422 days ago · 9 km deep · 18 km away
  9. 2.1130 km W of Adak, Alaska · 3422 days ago · 13 km deep · 6 km away
  10. 1.8125 km WSW of Adak, Alaska · 3422 days ago · 20 km deep · 13 km away
  11. 2.4128 km WSW of Adak, Alaska · 3422 days ago · 7 km deep · 16 km away
  12. 1.9131 km W of Adak, Alaska · 3422 days ago · 9 km deep · 9 km away
  13. 2.6128 km WSW of Adak, Alaska · 3422 days ago · 5 km deep · 11 km away
  14. 2.1124 km W of Adak, Alaska · 3422 days ago · 7 km deep · 7 km away
  15. 2.1127 km W of Adak, Alaska · 3422 days ago · 6 km deep · 7 km away
  16. 2.0131 km W of Adak, Alaska · 3422 days ago · 12 km deep · 4 km away
  17. 2.9132 km W of Adak, Alaska · 3422 days ago · 12 km deep · 1 km away
  18. 4.3134 km WSW of Adak, Alaska · 3422 days ago · 5 km deep · 10 km away
  19. 1.6122 km W of Adak, Alaska · 3422 days ago · 16 km deep · 13 km away
  20. 1.5119 km W of Adak, Alaska · 3422 days ago · 17 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0176hid485. Read Fri, Oct 2, 2026, 8:04 PM UTC.