Alaska earthquakes

M2.3 earthquake 142 km SE of Atka, Alaska

A magnitude 2.3 earthquake struck 142 km SE of Atka, Alaska on Fri, Apr 22, 2016, 7:33 AM HADT (16:33 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.7 174 km ESE 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-04-22 16:33:18 UTC
Depth
22.2 km (13.8 mi), shallow
Epicenter
51.269° N, 172.774° 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
13

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.980 km S of Atka, Alaska · 3814 days ago · 14 km deep · 88 km away
  2. 1.8101 km SSE of Atka, Alaska · 3808 days ago · 25 km deep · 73 km away
  3. 2.1167 km SSE of Atka, Alaska · 3808 days ago · 7 km deep · 85 km away
  4. 1.959 km SE of Atka, Alaska · 3806 days ago · 3 km deep · 84 km away
  5. 2.2130 km S of Atka, Alaska · 3804 days ago · 13 km deep · 91 km away
  6. 2.7158 km ESE of Atka, Alaska · 3804 days ago · 13 km deep · 42 km away
  7. 2.5149 km SSE of Atka, Alaska · 3801 days ago · 24 km deep · 48 km away
  8. 2.5142 km SSE of Atka, Alaska · 3801 days ago · 17 km deep · 57 km away
  9. 2.697 km S of Atka, Alaska · 3800 days ago · 14 km deep · 99 km away
  10. 2.069 km SE of Atka, Alaska · 3798 days ago · 14 km deep · 75 km away
  11. 2.181 km SE of Atka, Alaska · 3798 days ago · 37 km deep · 62 km away
  12. 1.644 km SSE of Atka, Alaska · 3797 days ago · 59 km deep · 100 km away
  13. 1.866 km SSE of Atka, Alaska · 3796 days ago · 19 km deep · 79 km away
  14. 2.295 km S of Atka, Alaska · 3796 days ago · 26 km deep · 83 km away
  15. 1.9108 km SSE of Atka, Alaska · 3789 days ago · 16 km deep · 72 km away
  16. 2.484 km SSE of Atka, Alaska · 3787 days ago · 26 km deep · 67 km away
  17. 2.578 km E of Atka, Alaska · 3785 days ago · 26 km deep · 92 km away
  18. 2.291 km S of Atka, Alaska · 3785 days ago · 35 km deep · 85 km away
  19. 2.464 km SE of Atka, Alaska · 3782 days ago · 6 km deep · 78 km away
  20. 2.482 km SSE of Atka, Alaska · 3781 days ago · 19 km deep · 82 km away
  21. 2.0Andreanof Islands, Aleutian Islands, Alaska · 3781 days ago · 30 km deep · 86 km away
  22. 2.2109 km ESE of Atka, Alaska · 3775 days ago · 7 km deep · 54 km away
  23. 3.0105 km S of Atka, Alaska · 3774 days ago · 11 km deep · 88 km away
  24. 2.1105 km SE of Atka, Alaska · 3773 days ago · 13 km deep · 41 km away
  25. 1.898 km SSE of Atka, Alaska · 3772 days ago · 6 km deep · 77 km away
  26. 2.251 km SSE of Atka, Alaska · 3772 days ago · 19 km deep · 96 km away
  27. 1.849 km ESE of Atka, Alaska · 3769 days ago · 7 km deep · 96 km away
  28. 2.075 km SE of Atka, Alaska · 3768 days ago · 38 km deep · 69 km away
  29. 2.7114 km SE of Atka, Alaska · 3768 days ago · 10 km deep · 29 km away
  30. 2.7107 km SSE of Atka, Alaska · 3767 days ago · 21 km deep · 41 km away
  31. 2.594 km SSE of Atka, Alaska · 3767 days ago · 8 km deep · 52 km away
  32. 2.461 km ESE of Atka, Alaska · 3766 days ago · 69 km deep · 94 km away
  33. 2.176 km ESE of Atka, Alaska · 3765 days ago · 45 km deep · 70 km away
  34. 2.268 km ESE of Atka, Alaska · 3764 days ago · 11 km deep · 81 km away
  35. 2.5154 km ESE of Atka, Alaska · 3762 days ago · 5 km deep · 46 km away
  36. 2.0161 km SSE of Atka, Alaska · 3761 days ago · 26 km deep · 71 km away
  37. 1.559 km ESE of Atka, Alaska · 3761 days ago · 1 km deep · 87 km away
  38. 2.0171 km SSE of Atka, Alaska · 3761 days ago · 13 km deep · 65 km away
  39. 3.6147 km ESE of Atka, Alaska · 3760 days ago · 31 km deep · 88 km away
  40. 2.862 km E of Atka, Alaska · 3759 days ago · 101 km deep · 99 km away
  41. 1.854 km SSE of Atka, Alaska · 3759 days ago · 47 km deep · 95 km away
  42. 3.7174 km ESE of Atka, Alaska · 3758 days ago · 35 km deep · 99 km away
  43. 2.381 km SSE of Atka, Alaska · 3758 days ago · 28 km deep · 66 km away

Before

  1. 1.6Andreanof Islands, Aleutian Islands, Alaska · 3817 days ago · 21 km deep · 83 km away
  2. 2.3193 km SSE of Atka, Alaska · 3817 days ago · 19 km deep · 82 km away
  3. 1.672 km SE of Atka, Alaska · 3818 days ago · 35 km deep · 72 km away
  4. 2.180 km SE of Atka, Alaska · 3819 days ago · 59 km deep · 63 km away
  5. 2.5159 km SSE of Atka, Alaska · 3822 days ago · 11 km deep · 60 km away
  6. 2.192 km S of Atka, Alaska · 3825 days ago · 15 km deep · 97 km away
  7. 3.097 km S of Atka, Alaska · 3825 days ago · 26 km deep · 89 km away
  8. 5.290 km S of Atka, Alaska · 3825 days ago · 15 km deep · 90 km away
  9. 1.999 km S of Atka, Alaska · 3828 days ago · 21 km deep · 94 km away
  10. 2.1112 km S of Atka, Alaska · 3828 days ago · 18 km deep · 100 km away
  11. 2.176 km SE of Atka, Alaska · 3829 days ago · 11 km deep · 66 km away
  12. 2.0111 km S of Atka, Alaska · 3829 days ago · 26 km deep · 85 km away
  13. 2.278 km SE of Atka, Alaska · 3830 days ago · 15 km deep · 64 km away
  14. 2.084 km S of Atka, Alaska · 3832 days ago · 4 km deep · 94 km away
  15. 4.2168 km SSE of Atka, Alaska · 3833 days ago · 10 km deep · 47 km away
  16. 2.3108 km SSE of Atka, Alaska · 3834 days ago · 27 km deep · 78 km away
  17. 2.148 km SE of Atka, Alaska · 3835 days ago · 11 km deep · 95 km away
  18. 2.1103 km S of Atka, Alaska · 3835 days ago · 21 km deep · 87 km away
  19. 2.298 km S of Atka, Alaska · 3836 days ago · 25 km deep · 96 km away
  20. 2.360 km SE of Atka, Alaska · 3838 days ago · 17 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016575g9ja (also filed as ak13502816). Read Sun, Oct 4, 2026, 8:57 AM UTC.