Alaska earthquakes

M3.6 earthquake 89 km SE of Adak, Alaska

A magnitude 3.6 earthquake struck 89 km SE of Adak, Alaska on Thu, May 16, 2019, 8:55 AM HADT (17:55 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.7 51 km SSW 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
3.6 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-05-16 17:55:14 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.272° N, 175.783° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.6ML, local (Richter)Alaska Earthquake CenterPreliminary

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 3.0 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
227°, poorly surrounded by stations
Stations used
29

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 2.196 km SE of Adak, Alaska · 2694 days ago · 5 km deep · 12 km away
  2. 2.581 km SSE of Adak, Alaska · 2694 days ago · 22 km deep · 14 km away
  3. 2.5116 km SE of Adak, Alaska · 2694 days ago · 13 km deep · 29 km away
  4. 1.7110 km SSE of Adak, Alaska · 2694 days ago · 11 km deep · 27 km away
  5. 2.379 km SE of Adak, Alaska · 2693 days ago · 0 km deep · 12 km away
  6. 2.833 km NE of Adak, Alaska · 2693 days ago · 95 km deep · 96 km away
  7. 1.957 km SE of Adak, Alaska · 2692 days ago · 18 km deep · 33 km away
  8. 2.044 km E of Adak, Alaska · 2691 days ago · 78 km deep · 67 km away
  9. 1.841 km SW of Adak, Alaska · 2691 days ago · 50 km deep · 99 km away
  10. 2.363 km SE of Adak, Alaska · 2689 days ago · 28 km deep · 26 km away
  11. 3.894 km SSW of Atka, Alaska · 2689 days ago · 10 km deep · 73 km away
  12. 2.685 km S of Adak, Alaska · 2688 days ago · 24 km deep · 54 km away
  13. 3.994 km S of Adak, Alaska · 2688 days ago · 35 km deep · 55 km away
  14. 2.684 km S of Adak, Alaska · 2688 days ago · 20 km deep · 59 km away
  15. 2.054 km SE of Adak, Alaska · 2688 days ago · 50 km deep · 34 km away
  16. 2.029 km SE of Adak, Alaska · 2687 days ago · 43 km deep · 59 km away
  17. 2.189 km S of Adak, Alaska · 2687 days ago · 21 km deep · 53 km away
  18. 2.023 km SSE of Adak, Alaska · 2684 days ago · 46 km deep · 67 km away
  19. 2.538 km SSW of Adak, Alaska · 2683 days ago · 33 km deep · 78 km away
  20. 2.370 km ENE of Adak, Alaska · 2682 days ago · 86 km deep · 94 km away
  21. 2.189 km ESE of Adak, Alaska · 2682 days ago · 25 km deep · 37 km away
  22. 2.077 km E of Adak, Alaska · 2682 days ago · 29 km deep · 70 km away
  23. 2.124 km SSW of Adak, Alaska · 2681 days ago · 46 km deep · 78 km away
  24. 2.181 km SSE of Adak, Alaska · 2681 days ago · 13 km deep · 34 km away
  25. 2.864 km SE of Adak, Alaska · 2680 days ago · 31 km deep · 26 km away
  26. 2.449 km SE of Adak, Alaska · 2680 days ago · 42 km deep · 41 km away
  27. 2.011 km WNW of Adak, Alaska · 2679 days ago · 74 km deep · 100 km away
  28. 1.841 km SSW of Adak, Alaska · 2678 days ago · 47 km deep · 78 km away
  29. 2.263 km SW of Adak, Alaska · 2678 days ago · 48 km deep · 98 km away
  30. 1.687 km ESE of Adak, Alaska · 2675 days ago · 26 km deep · 44 km away
  31. 1.857 km SE of Adak, Alaska · 2675 days ago · 54 km deep · 35 km away
  32. 1.961 km SSW of Adak, Alaska · 2674 days ago · 25 km deep · 90 km away
  33. 1.646 km SSE of Adak, Alaska · 2674 days ago · 59 km deep · 47 km away
  34. 2.140 km SSW of Adak, Alaska · 2674 days ago · 43 km deep · 77 km away
  35. 2.667 km ESE of Adak, Alaska · 2673 days ago · 35 km deep · 34 km away
  36. 2.436 km E of Adak, Alaska · 2672 days ago · 79 km deep · 72 km away
  37. 1.954 km SE of Adak, Alaska · 2671 days ago · 41 km deep · 35 km away
  38. 1.656 km ESE of Adak, Alaska · 2671 days ago · 37 km deep · 40 km away
  39. 1.878 km ESE of Adak, Alaska · 2671 days ago · 52 km deep · 35 km away
  40. 2.183 km ESE of Adak, Alaska · 2671 days ago · 46 km deep · 30 km away
  41. 1.549 km SE of Adak, Alaska · 2670 days ago · 25 km deep · 41 km away
  42. 1.834 km SSE of Adak, Alaska · 2670 days ago · 42 km deep · 56 km away
  43. 1.737 km S of Adak, Alaska · 2670 days ago · 43 km deep · 66 km away
  44. 1.982 km ESE of Adak, Alaska · 2670 days ago · 49 km deep · 53 km away
  45. 1.955 km SSW of Adak, Alaska · 2669 days ago · 50 km deep · 73 km away
  46. 1.846 km SW of Adak, Alaska · 2668 days ago · 44 km deep · 93 km away
  47. 1.553 km SSE of Adak, Alaska · 2668 days ago · 23 km deep · 49 km away
  48. 1.885 km E of Adak, Alaska · 2667 days ago · 54 km deep · 63 km away
  49. 1.747 km SW of Adak, Alaska · 2666 days ago · 55 km deep · 94 km away
  50. 2.254 km SE of Adak, Alaska · 2664 days ago · 30 km deep · 35 km away
  51. 1.6102 km SW of Atka, Alaska · 2664 days ago · 26 km deep · 48 km away
  52. 1.649 km SE of Adak, Alaska · 2663 days ago · 13 km deep · 40 km away
  53. 1.662 km SSE of Adak, Alaska · 2663 days ago · 26 km deep · 29 km away
  54. 1.758 km ESE of Adak, Alaska · 2663 days ago · 52 km deep · 38 km away
  55. 3.677 km E of Adak, Alaska · 2663 days ago · 35 km deep · 71 km away
  56. 1.775 km E of Adak, Alaska · 2663 days ago · 24 km deep · 68 km away
  57. 1.556 km SW of Adak, Alaska · 2662 days ago · 50 km deep · 99 km away
  58. 2.667 km SW of Atka, Alaska · 2662 days ago · 32 km deep · 83 km away
  59. 1.888 km SSW of Atka, Alaska · 2662 days ago · 25 km deep · 70 km away
  60. 1.851 km SW of Adak, Alaska · 2662 days ago · 40 km deep · 99 km away

The first 60 of 108.

Before

  1. 1.847 km SSW of Adak, Alaska · 2695 days ago · 45 km deep · 81 km away
  2. 2.388 km SSE of Adak, Alaska · 2696 days ago · 14 km deep · 35 km away
  3. 3.899 km SW of Atka, Alaska · 2696 days ago · 21 km deep · 52 km away
  4. 1.679 km SSE of Adak, Alaska · 2699 days ago · 19 km deep · 41 km away
  5. 2.086 km SW of Atka, Alaska · 2699 days ago · 35 km deep · 65 km away
  6. 1.884 km SW of Atka, Alaska · 2700 days ago · 26 km deep · 65 km away
  7. 1.855 km SSE of Adak, Alaska · 2700 days ago · 22 km deep · 37 km away
  8. 2.8100 km SW of Atka, Alaska · 2702 days ago · 35 km deep · 49 km away
  9. 3.894 km SW of Atka, Alaska · 2702 days ago · 35 km deep · 57 km away
  10. 4.1101 km SW of Atka, Alaska · 2702 days ago · 35 km deep · 49 km away
  11. 2.248 km E of Adak, Alaska · 2702 days ago · 73 km deep · 61 km away
  12. 2.663 km SE of Adak, Alaska · 2702 days ago · 33 km deep · 27 km away
  13. 2.148 km SE of Adak, Alaska · 2703 days ago · 25 km deep · 41 km away
  14. 1.951 km SSE of Adak, Alaska · 2703 days ago · 42 km deep · 42 km away
  15. 3.466 km SSE of Adak, Alaska · 2704 days ago · 29 km deep · 26 km away
  16. 2.194 km SW of Atka, Alaska · 2706 days ago · 12 km deep · 56 km away
  17. 2.143 km SSE of Adak, Alaska · 2706 days ago · 44 km deep · 55 km away
  18. 1.845 km SW of Adak, Alaska · 2706 days ago · 46 km deep · 97 km away
  19. 1.926 km SE of Adak, Alaska · 2706 days ago · 47 km deep · 62 km away
  20. 2.277 km E of Adak, Alaska · 2707 days ago · 68 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60003rbw (also filed as ak019697jeht). Read Thu, Oct 1, 2026, 3:12 PM UTC.