Alaska earthquakes

M2.5 earthquake 88 km SE of Atka, Alaska

A magnitude 2.5 earthquake struck 88 km SE of Atka, Alaska on Thu, Jul 28, 2016, 9:31 AM HADT (18:31 UTC), 38 km (23 mi) below the surface.

A larger quake followed: M4.8 88 km SSE 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
2016-07-28 18:31:37 UTC
Depth
37.6 km (23.4 mi), shallow
Epicenter
51.577° N, 173.385° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 2.569 km SSE of Atka, Alaska · 3719 days ago · 41 km deep · 32 km away
  2. 1.731 km SSW of Atka, Alaska · 3719 days ago · 60 km deep · 85 km away
  3. 2.835 km SSW of Atka, Alaska · 3718 days ago · 42 km deep · 76 km away
  4. 1.925 km ESE of Atka, Alaska · 3717 days ago · 25 km deep · 66 km away
  5. 1.737 km SSE of Atka, Alaska · 3717 days ago · 51 km deep · 54 km away
  6. 3.590 km SE of Atka, Alaska · 3715 days ago · 35 km deep · 9 km away
  7. 1.950 km SSE of Atka, Alaska · 3715 days ago · 37 km deep · 48 km away
  8. 2.672 km E of Atka, Alaska · 3715 days ago · 8 km deep · 82 km away
  9. 2.684 km ESE of Atka, Alaska · 3714 days ago · 26 km deep · 32 km away
  10. 2.615 km S of Atka, Alaska · 3713 days ago · 76 km deep · 78 km away
  11. 4.088 km SSE of Atka, Alaska · 3713 days ago · 35 km deep · 27 km away
  12. 2.7112 km ESE of Atka, Alaska · 3713 days ago · 61 km deep · 65 km away
  13. 2.1120 km SE of Atka, Alaska · 3713 days ago · 26 km deep · 33 km away
  14. 2.510 km WNW of Atka, Alaska · 3712 days ago · 130 km deep · 98 km away
  15. 1.650 km SE of Atka, Alaska · 3711 days ago · 5 km deep · 39 km away
  16. 2.0151 km S of Atka, Alaska · 3710 days ago · 25 km deep · 86 km away
  17. 1.825 km S of Atka, Alaska · 3709 days ago · 2 km deep · 71 km away
  18. 3.991 km SSW of Atka, Alaska · 3709 days ago · 46 km deep · 80 km away
  19. 1.644 km ESE of Atka, Alaska · 3708 days ago · 4 km deep · 60 km away
  20. 3.735 km ENE of Atka, Alaska · 3708 days ago · 175 km deep · 82 km away
  21. 2.695 km ENE of Atka, Alaska · 3708 days ago · 203 km deep · 98 km away
  22. 2.126 km WSW of Atka, Alaska · 3708 days ago · 198 km deep · 97 km away
  23. 2.267 km SW of Atka, Alaska · 3706 days ago · 31 km deep · 99 km away
  24. 2.321 km SSE of Atka, Alaska · 3706 days ago · 106 km deep · 70 km away
  25. 2.0133 km S of Atka, Alaska · 3706 days ago · 21 km deep · 71 km away
  26. 2.568 km E of Atka, Alaska · 3706 days ago · 78 km deep · 60 km away
  27. 3.055 km E of Atka, Alaska · 3706 days ago · 221 km deep · 70 km away
  28. 3.889 km S of Atka, Alaska · 3705 days ago · 37 km deep · 61 km away
  29. 3.970 km S of Atka, Alaska · 3703 days ago · 10 km deep · 48 km away
  30. 1.942 km S of Atka, Alaska · 3703 days ago · 1 km deep · 69 km away
  31. 1.923 km WSW of Atka, Alaska · 3702 days ago · 41 km deep · 95 km away
  32. 1.930 km SW of Atka, Alaska · 3701 days ago · 26 km deep · 90 km away
  33. 2.946 km ENE of Atka, Alaska · 3700 days ago · 172 km deep · 88 km away
  34. 2.980 km SE of Atka, Alaska · 3699 days ago · 38 km deep · 10 km away
  35. 1.740 km SSW of Atka, Alaska · 3699 days ago · 46 km deep · 75 km away
  36. 2.3171 km SSE of Atka, Alaska · 3699 days ago · 23 km deep · 86 km away
  37. 1.994 km S of Atka, Alaska · 3699 days ago · 26 km deep · 71 km away
  38. 2.151 km S of Atka, Alaska · 3698 days ago · 11 km deep · 66 km away
  39. 3.4Andreanof Islands, Aleutian Islands, Alaska · 3698 days ago · 10 km deep · 41 km away
  40. 2.988 km SE of Atka, Alaska · 3697 days ago · 17 km deep · 2 km away
  41. 2.190 km SSE of Atka, Alaska · 3696 days ago · 41 km deep · 29 km away
  42. 1.926 km SSW of Atka, Alaska · 3696 days ago · 61 km deep · 78 km away
  43. 2.061 km SSW of Atka, Alaska · 3694 days ago · 16 km deep · 87 km away
  44. 2.146 km SSE of Atka, Alaska · 3693 days ago · 59 km deep · 48 km away
  45. 2.541 km SSW of Atka, Alaska · 3692 days ago · 177 km deep · 72 km away
  46. 1.953 km SE of Atka, Alaska · 3692 days ago · 16 km deep · 36 km away
  47. 2.757 km SSE of Atka, Alaska · 3692 days ago · 54 km deep · 44 km away
  48. 2.169 km SE of Atka, Alaska · 3691 days ago · 14 km deep · 19 km away
  49. 1.790 km S of Atka, Alaska · 3690 days ago · 38 km deep · 50 km away
  50. 2.251 km E of Atka, Alaska · 3689 days ago · 78 km deep · 65 km away
  51. 1.760 km SSW of Atka, Alaska · 3689 days ago · 26 km deep · 84 km away
  52. 2.473 km SSE of Atka, Alaska · 3688 days ago · 2 km deep · 22 km away
  53. 1.643 km ESE of Atka, Alaska · 3687 days ago · 1 km deep · 56 km away
  54. 2.448 km SW of Atka, Alaska · 3684 days ago · 43 km deep · 94 km away
  55. 3.985 km S of Atka, Alaska · 3683 days ago · 46 km deep · 43 km away
  56. 2.260 km SSE of Atka, Alaska · 3683 days ago · 47 km deep · 29 km away
  57. 2.340 km ENE of Atka, Alaska · 3683 days ago · 78 km deep · 85 km away
  58. 2.786 km S of Atka, Alaska · 3682 days ago · 26 km deep · 52 km away
  59. 2.067 km S of Atka, Alaska · 3681 days ago · 21 km deep · 62 km away
  60. 2.156 km ENE of Atka, Alaska · 3680 days ago · 18 km deep · 84 km away

The first 60 of 77.

Before

  1. 1.737 km SSE of Atka, Alaska · 3720 days ago · 55 km deep · 58 km away
  2. 2.394 km S of Atka, Alaska · 3720 days ago · 46 km deep · 67 km away
  3. 2.568 km SSW of Atka, Alaska · 3721 days ago · 26 km deep · 90 km away
  4. 2.588 km SSE of Atka, Alaska · 3722 days ago · 35 km deep · 32 km away
  5. 2.594 km ESE of Atka, Alaska · 3723 days ago · 34 km deep · 36 km away
  6. 4.286 km ESE of Atka, Alaska · 3725 days ago · 67 km deep · 43 km away
  7. 3.743 km ENE of Atka, Alaska · 3729 days ago · 19 km deep · 82 km away
  8. 1.910 km WSW of Atka, Alaska · 3729 days ago · 73 km deep · 92 km away
  9. 2.691 km SE of Atka, Alaska · 3731 days ago · 49 km deep · 16 km away
  10. 2.5122 km E of Atka, Alaska · 3732 days ago · 18 km deep · 98 km away
  11. 1.632 km SSE of Atka, Alaska · 3733 days ago · 69 km deep · 60 km away
  12. 2.172 km ESE of Atka, Alaska · 3733 days ago · 65 km deep · 45 km away
  13. 2.542 km SSW of Atka, Alaska · 3734 days ago · 47 km deep · 77 km away
  14. 2.7110 km E of Atka, Alaska · 3735 days ago · 64 km deep · 77 km away
  15. 2.593 km S of Atka, Alaska · 3736 days ago · 14 km deep · 70 km away
  16. 2.597 km S of Atka, Alaska · 3737 days ago · 13 km deep · 66 km away
  17. 1.590 km SSW of Atka, Alaska · 3737 days ago · 8 km deep · 93 km away
  18. 2.288 km SSW of Atka, Alaska · 3739 days ago · 41 km deep · 84 km away
  19. 3.396 km S of Atka, Alaska · 3739 days ago · 29 km deep · 48 km away
  20. 1.744 km ENE of Atka, Alaska · 3742 days ago · 5 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0169nlreps (also filed as ak13815012). Read Sun, Oct 4, 2026, 4:28 AM UTC.