Alaska earthquakes

M1.6 earthquake 54 km SE of Adak, Alaska

A magnitude 1.6 earthquake struck 54 km SE of Adak, Alaska on Fri, Aug 31, 2018, 8:40 AM HADT (17:40 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M4.5 47 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-08-31 17:40:30 UTC
Depth
41.6 km (25.8 mi), shallow
Epicenter
51.524° N, 176.085° 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
11

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 2.188 km SSE of Adak, Alaska · 2953 days ago · 3 km deep · 45 km away
  2. 1.653 km SE of Adak, Alaska · 2953 days ago · 47 km deep · 9 km away
  3. 2.6106 km SSE of Adak, Alaska · 2953 days ago · 35 km deep · 59 km away
  4. 4.096 km SSE of Adak, Alaska · 2953 days ago · 10 km deep · 51 km away
  5. 2.471 km NE of Adak, Alaska · 2953 days ago · 240 km deep · 90 km away
  6. 1.765 km SSW of Adak, Alaska · 2953 days ago · 36 km deep · 75 km away
  7. 1.970 km SSW of Adak, Alaska · 2953 days ago · 40 km deep · 76 km away
  8. 2.230 km NW of Adak, Alaska · 2952 days ago · 121 km deep · 85 km away
  9. 1.925 km SSW of Adak, Alaska · 2952 days ago · 34 km deep · 54 km away
  10. 2.489 km SSE of Adak, Alaska · 2952 days ago · 34 km deep · 45 km away
  11. 2.176 km NE of Adak, Alaska · 2952 days ago · 151 km deep · 98 km away
  12. 1.827 km SE of Adak, Alaska · 2951 days ago · 55 km deep · 27 km away
  13. 2.051 km SSE of Adak, Alaska · 2951 days ago · 49 km deep · 13 km away
  14. 3.360 km SSE of Adak, Alaska · 2950 days ago · 35 km deep · 25 km away
  15. 2.970 km E of Adak, Alaska · 2949 days ago · 33 km deep · 43 km away
  16. 2.039 km S of Adak, Alaska · 2949 days ago · 34 km deep · 36 km away
  17. 1.886 km SW of Adak, Alaska · 2949 days ago · 39 km deep · 98 km away
  18. 1.8Andreanof Islands, Aleutian Islands, Alaska · 2949 days ago · 37 km deep · 42 km away
  19. 2.360 km E of Adak, Alaska · 2948 days ago · 38 km deep · 49 km away
  20. 2.264 km SE of Adak, Alaska · 2948 days ago · 24 km deep · 11 km away
  21. 2.771 km ENE of Adak, Alaska · 2947 days ago · 178 km deep · 65 km away
  22. 1.850 km S of Adak, Alaska · 2947 days ago · 37 km deep · 31 km away
  23. 1.652 km S of Adak, Alaska · 2947 days ago · 43 km deep · 31 km away
  24. 1.521 km SSW of Adak, Alaska · 2946 days ago · 49 km deep · 51 km away
  25. 1.666 km WSW of Adak, Alaska · 2946 days ago · 63 km deep · 99 km away
  26. 1.678 km E of Adak, Alaska · 2946 days ago · 66 km deep · 49 km away
  27. 2.858 km ESE of Adak, Alaska · 2945 days ago · 47 km deep · 29 km away
  28. 1.711 km SSW of Adak, Alaska · 2945 days ago · 76 km deep · 53 km away
  29. 2.557 km SSE of Adak, Alaska · 2945 days ago · 26 km deep · 11 km away
  30. 1.656 km SE of Adak, Alaska · 2945 days ago · 27 km deep · 4 km away
  31. 1.847 km SE of Adak, Alaska · 2945 days ago · 25 km deep · 10 km away
  32. 2.963 km NE of Adak, AK · 2945 days ago · 206 km deep · 78 km away
  33. 3.150 km SE of Adak, Alaska · 2945 days ago · 51 km deep · 9 km away
  34. 2.695 km SSE of Adak, Alaska · 2944 days ago · 16 km deep · 50 km away
  35. 1.553 km SE of Adak, Alaska · 2944 days ago · 9 km deep · 1 km away
  36. 1.953 km SSE of Adak, Alaska · 2943 days ago · 19 km deep · 15 km away
  37. 1.838 km SE of Adak, Alaska · 2943 days ago · 65 km deep · 19 km away
  38. 1.654 km SSE of Adak, Alaska · 2943 days ago · 13 km deep · 15 km away
  39. 1.565 km SSE of Adak, Alaska · 2943 days ago · 22 km deep · 32 km away
  40. 1.553 km SW of Adak, Alaska · 2942 days ago · 36 km deep · 71 km away
  41. 3.279 km E of Adak, Alaska · 2942 days ago · 74 km deep · 64 km away
  42. 2.027 km WSW of Adak, Alaska · 2942 days ago · 65 km deep · 70 km away
  43. 1.991 km S of Adak, Alaska · 2941 days ago · 14 km deep · 56 km away
  44. 2.175 km ENE of Adak, Alaska · 2941 days ago · 77 km deep · 66 km away
  45. 1.659 km WSW of Adak, Alaska · 2939 days ago · 43 km deep · 90 km away
  46. 1.9Andreanof Islands, Aleutian Islands, Alaska · 2938 days ago · 57 km deep · 27 km away
  47. 2.793 km S of Adak, Alaska · 2938 days ago · 15 km deep · 68 km away
  48. 2.0122 km SSW of Atka, Alaska · 2937 days ago · 15 km deep · 74 km away
  49. 1.646 km S of Adak, Alaska · 2936 days ago · 38 km deep · 39 km away
  50. 1.754 km SE of Adak, Alaska · 2936 days ago · 44 km deep · 4 km away
  51. 2.173 km WSW of Adak, Alaska · 2936 days ago · 40 km deep · 100 km away
  52. 2.320 km SW of Adak, Alaska · 2935 days ago · 70 km deep · 61 km away
  53. 2.090 km SW of Atka, Alaska · 2935 days ago · 49 km deep · 62 km away
  54. 1.630 km SSW of Adak, Alaska · 2935 days ago · 46 km deep · 51 km away
  55. 1.873 km SW of Adak, Alaska · 2935 days ago · 39 km deep · 95 km away
  56. 1.648 km S of Adak, Alaska · 2935 days ago · 26 km deep · 35 km away
  57. 1.758 km SE of Adak, Alaska · 2934 days ago · 17 km deep · 5 km away
  58. 1.655 km SSE of Adak, Alaska · 2934 days ago · 23 km deep · 19 km away
  59. 2.266 km ENE of Adak, Alaska · 2934 days ago · 180 km deep · 68 km away
  60. 3.892 km ESE of Adak, Alaska · 2934 days ago · 34 km deep · 55 km away

The first 60 of 165.

Before

  1. 2.798 km SSE of Adak, Alaska · 2954 days ago · 19 km deep · 51 km away
  2. 2.6106 km SSE of Adak, Alaska · 2954 days ago · 30 km deep · 59 km away
  3. 2.645 km ENE of Adak, Alaska · 2954 days ago · 8 km deep · 61 km away
  4. 2.786 km SSE of Adak, Alaska · 2954 days ago · 8 km deep · 38 km away
  5. 3.2102 km SSE of Adak, Alaska · 2954 days ago · 14 km deep · 56 km away
  6. 2.7101 km SSE of Adak, Alaska · 2955 days ago · 33 km deep · 59 km away
  7. 3.3110 km SSE of Adak, Alaska · 2955 days ago · 32 km deep · 63 km away
  8. 3.335 km SE of Adak, Alaska · 2955 days ago · 38 km deep · 19 km away
  9. 2.695 km SSE of Adak, Alaska · 2955 days ago · 12 km deep · 53 km away
  10. 2.594 km SSE of Adak, Alaska · 2955 days ago · 18 km deep · 49 km away
  11. 2.447 km W of Adak, Alaska · 2955 days ago · 97 km deep · 96 km away
  12. 2.885 km SSE of Adak, Alaska · 2955 days ago · 10 km deep · 38 km away
  13. 2.499 km SSE of Adak, Alaska · 2955 days ago · 26 km deep · 54 km away
  14. 3.9109 km SSE of Adak, Alaska · 2955 days ago · 35 km deep · 63 km away
  15. 4.0113 km SSE of Adak, Alaska · 2955 days ago · 27 km deep · 67 km away
  16. 3.8105 km SSE of Adak, Alaska · 2955 days ago · 28 km deep · 59 km away
  17. 3.6107 km SSE of Adak, Alaska · 2955 days ago · 30 km deep · 60 km away
  18. 2.987 km SSE of Adak, Alaska · 2955 days ago · 7 km deep · 45 km away
  19. 2.683 km SSE of Adak, Alaska · 2955 days ago · 26 km deep · 36 km away
  20. 3.998 km SSE of Adak, Alaska · 2955 days ago · 33 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018b65ycbd (also filed as ak20256803). Read Fri, Oct 2, 2026, 2:42 AM UTC.