Alaska earthquakes

M2.5 earthquake 81 km NNE of Adak, Alaska

A magnitude 2.5 earthquake struck 81 km NNE of Adak, Alaska on Thu, May 18, 2017, 11:29 PM HADT (08:29 UTC), 203 km (126 mi) below the surface.

A larger quake followed: M5.3 88 km WSW of Atka, 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
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-19 08:29:53 UTC
Depth
203.4 km (126.4 mi), intermediate-depth
Epicenter
52.505° N, 176.027° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.637 km N of Adak, Alaska · 3423 days ago · 170 km deep · 56 km away
  2. 4.025 km SSE of Adak, Alaska · 3422 days ago · 52 km deep · 100 km away
  3. 2.3101 km NNW of Atka, Alaska · 3420 days ago · 158 km deep · 94 km away
  4. 5.388 km WSW of Atka, Alaska · 3415 days ago · 34 km deep · 97 km away · tsunami flag
  5. 4.789 km E of Adak, Alaska · 3415 days ago · 35 km deep · 94 km away
  6. 2.724 km SSE of Adak, Alaska · 3414 days ago · 52 km deep · 99 km away
  7. 1.935 km ESE of Adak, Alaska · 3412 days ago · 64 km deep · 80 km away
  8. 1.74 km NE of Adak, Alaska · 3412 days ago · 70 km deep · 77 km away
  9. 4.787 km E of Adak, Alaska · 3412 days ago · 50 km deep · 82 km away
  10. 2.888 km E of Adak, Alaska · 3411 days ago · 52 km deep · 96 km away
  11. 2.380 km ENE of Adak, Alaska · 3408 days ago · 89 km deep · 56 km away
  12. 4.387 km WSW of Atka, Alaska · 3405 days ago · 48 km deep · 96 km away
  13. 2.028 km SE of Adak, Alaska · 3405 days ago · 56 km deep · 89 km away
  14. 2.166 km E of Adak, Alaska · 3405 days ago · 62 km deep · 81 km away
  15. 2.556 km WSW of Atka, Alaska · 3404 days ago · 66 km deep · 97 km away
  16. 1.920 km ENE of Adak, Alaska · 3403 days ago · 6 km deep · 65 km away
  17. 1.962 km W of Atka, Alaska · 3402 days ago · 7 km deep · 71 km away
  18. 1.755 km ESE of Adak, Alaska · 3402 days ago · 44 km deep · 92 km away
  19. 1.882 km E of Adak, Alaska · 3402 days ago · 21 km deep · 83 km away
  20. 3.656 km W of Atka, Alaska · 3400 days ago · 81 km deep · 80 km away
  21. 2.347 km E of Adak, Alaska · 3400 days ago · 70 km deep · 70 km away
  22. 2.16 km ENE of Adak, Alaska · 3399 days ago · 86 km deep · 75 km away
  23. 2.683 km W of Atka, Alaska · 3396 days ago · 235 km deep · 48 km away
  24. 1.722 km SSE of Adak, Alaska · 3396 days ago · 58 km deep · 95 km away
  25. 2.695 km WNW of Atka, Alaska · 3393 days ago · 107 km deep · 38 km away
  26. 1.886 km ESE of Adak, Alaska · 3390 days ago · 40 km deep · 98 km away
  27. 2.636 km NE of Adak, Alaska · 3388 days ago · 137 km deep · 45 km away
  28. 4.057 km NW of Atka, Alaska · 3388 days ago · 228 km deep · 78 km away
  29. 1.867 km E of Adak, Alaska · 3383 days ago · 25 km deep · 84 km away
  30. 2.6159 km NW of Atka, Alaska · 3381 days ago · 227 km deep · 83 km away
  31. 2.423 km NW of Adak, Alaska · 3377 days ago · 82 km deep · 78 km away
  32. 3.764 km NE of Adak, Alaska · 3370 days ago · 172 km deep · 19 km away
  33. 3.254 km ESE of Adak, Alaska · 3369 days ago · 47 km deep · 93 km away

Before

  1. 2.567 km NNE of Adak, Alaska · 3425 days ago · 157 km deep · 14 km away
  2. 2.070 km ESE of Adak, Alaska · 3425 days ago · 58 km deep · 91 km away
  3. 2.472 km ENE of Adak, Alaska · 3435 days ago · 151 km deep · 43 km away
  4. 3.079 km ESE of Adak, Alaska · 3436 days ago · 16 km deep · 93 km away
  5. 2.033 km W of Adak, Alaska · 3438 days ago · 99 km deep · 100 km away
  6. 3.917 km SSW of Adak, Alaska · 3439 days ago · 71 km deep · 99 km away
  7. 2.16 km SSW of Adak, Alaska · 3444 days ago · 75 km deep · 88 km away
  8. 2.456 km NE of Adak, Alaska · 3446 days ago · 240 km deep · 31 km away
  9. 2.546 km ENE of Adak, Alaska · 3447 days ago · 91 km deep · 54 km away
  10. 1.725 km SE of Adak, Alaska · 3447 days ago · 58 km deep · 93 km away
  11. 4.086 km E of Adak, Alaska · 3448 days ago · 78 km deep · 85 km away
  12. 2.432 km WNW of Atka, Alaska · 3449 days ago · 212 km deep · 96 km away
  13. 2.083 km WSW of Atka, Alaska · 3449 days ago · 66 km deep · 83 km away
  14. 2.346 km NE of Adak, Alaska · 3450 days ago · 141 km deep · 35 km away
  15. 1.836 km ENE of Adak, Alaska · 3453 days ago · 97 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0176e0n1d6. Read Fri, Oct 2, 2026, 8:55 PM UTC.