Alaska earthquakes

M2.3 earthquake 146 km SE of Adak, Alaska

A magnitude 2.3 earthquake struck 146 km SE of Adak, Alaska on Tue, Aug 7, 2018, 7:39 PM HADT (04:39 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.7 91 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-08-08 04:39:54 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
50.830° N, 175.353° 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
17

Nearby

Within 100 km, magnitude 1.5 and up: 87 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.259 km SE of Adak, Alaska · 2977 days ago · 20 km deep · 87 km away
  2. 1.997 km ESE of Adak, Alaska · 2976 days ago · 37 km deep · 89 km away
  3. 1.850 km SE of Adak, Alaska · 2976 days ago · 26 km deep · 96 km away
  4. 1.757 km SSE of Adak, Alaska · 2975 days ago · 12 km deep · 92 km away
  5. 2.255 km SSE of Adak, Alaska · 2974 days ago · 23 km deep · 92 km away
  6. 2.153 km SSE of Adak, Alaska · 2973 days ago · 23 km deep · 96 km away
  7. 2.4104 km ESE of Adak, Alaska · 2972 days ago · 31 km deep · 76 km away
  8. 1.857 km SSE of Adak, Alaska · 2971 days ago · 25 km deep · 94 km away
  9. 2.250 km SE of Adak, Alaska · 2970 days ago · 21 km deep · 96 km away
  10. 2.476 km SE of Adak, Alaska · 2970 days ago · 19 km deep · 75 km away
  11. 2.153 km SSE of Adak, Alaska · 2970 days ago · 21 km deep · 94 km away
  12. 2.2109 km SSW of Atka, Alaska · 2969 days ago · 49 km deep · 63 km away
  13. 3.3187 km S of Atka, Alaska · 2969 days ago · 10 km deep · 83 km away
  14. 2.173 km SE of Adak, Alaska · 2965 days ago · 21 km deep · 79 km away
  15. 2.851 km SSE of Adak, Alaska · 2965 days ago · 35 km deep · 99 km away
  16. 2.458 km SE of Adak, Alaska · 2960 days ago · 24 km deep · 88 km away
  17. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2960 days ago · 26 km deep · 98 km away
  18. 2.073 km ESE of Adak, Alaska · 2959 days ago · 47 km deep · 82 km away
  19. 1.852 km SE of Adak, Alaska · 2959 days ago · 46 km deep · 97 km away
  20. 4.0108 km SSE of Adak, Alaska · 2959 days ago · 29 km deep · 53 km away
  21. 2.5102 km SSE of Adak, Alaska · 2958 days ago · 34 km deep · 59 km away
  22. 2.3109 km SSE of Adak, Alaska · 2958 days ago · 33 km deep · 54 km away
  23. 2.8189 km SSE of Adak, Alaska · 2957 days ago · 10 km deep · 82 km away
  24. 4.791 km SSE of Adak, Alaska · 2956 days ago · 38 km deep · 63 km away
  25. 3.298 km SSE of Adak, Alaska · 2956 days ago · 23 km deep · 59 km away
  26. 4.1173 km SSE of Adak, Alaska · 2956 days ago · 10 km deep · 35 km away
  27. 2.889 km SSE of Adak, Alaska · 2956 days ago · 3 km deep · 71 km away
  28. 3.998 km SSE of Adak, Alaska · 2956 days ago · 33 km deep · 61 km away
  29. 2.683 km SSE of Adak, Alaska · 2956 days ago · 26 km deep · 67 km away
  30. 2.987 km SSE of Adak, Alaska · 2956 days ago · 7 km deep · 70 km away
  31. 3.6107 km SSE of Adak, Alaska · 2956 days ago · 30 km deep · 51 km away
  32. 3.8105 km SSE of Adak, Alaska · 2956 days ago · 28 km deep · 52 km away
  33. 4.0113 km SSE of Adak, Alaska · 2956 days ago · 27 km deep · 48 km away
  34. 3.9109 km SSE of Adak, Alaska · 2956 days ago · 35 km deep · 53 km away
  35. 2.499 km SSE of Adak, Alaska · 2956 days ago · 26 km deep · 60 km away
  36. 2.885 km SSE of Adak, Alaska · 2956 days ago · 10 km deep · 66 km away
  37. 2.594 km SSE of Adak, Alaska · 2956 days ago · 18 km deep · 61 km away
  38. 2.695 km SSE of Adak, Alaska · 2955 days ago · 12 km deep · 65 km away
  39. 3.3110 km SSE of Adak, Alaska · 2955 days ago · 32 km deep · 47 km away
  40. 2.7101 km SSE of Adak, Alaska · 2955 days ago · 33 km deep · 63 km away
  41. 3.2102 km SSE of Adak, Alaska · 2955 days ago · 14 km deep · 55 km away
  42. 2.786 km SSE of Adak, Alaska · 2955 days ago · 8 km deep · 63 km away
  43. 2.6106 km SSE of Adak, Alaska · 2955 days ago · 30 km deep · 51 km away
  44. 2.798 km SSE of Adak, Alaska · 2954 days ago · 19 km deep · 56 km away
  45. 1.654 km SE of Adak, Alaska · 2954 days ago · 42 km deep · 93 km away
  46. 2.188 km SSE of Adak, Alaska · 2954 days ago · 3 km deep · 67 km away
  47. 1.653 km SE of Adak, Alaska · 2954 days ago · 47 km deep · 93 km away
  48. 2.6106 km SSE of Adak, Alaska · 2954 days ago · 35 km deep · 50 km away
  49. 4.096 km SSE of Adak, Alaska · 2954 days ago · 10 km deep · 61 km away
  50. 2.489 km SSE of Adak, Alaska · 2953 days ago · 34 km deep · 66 km away
  51. 2.051 km SSE of Adak, Alaska · 2951 days ago · 49 km deep · 95 km away
  52. 3.360 km SSE of Adak, Alaska · 2950 days ago · 35 km deep · 91 km away
  53. 2.264 km SE of Adak, Alaska · 2949 days ago · 24 km deep · 84 km away
  54. 2.557 km SSE of Adak, Alaska · 2946 days ago · 26 km deep · 89 km away
  55. 1.656 km SE of Adak, Alaska · 2945 days ago · 27 km deep · 91 km away
  56. 1.847 km SE of Adak, Alaska · 2945 days ago · 25 km deep · 99 km away
  57. 3.150 km SE of Adak, Alaska · 2945 days ago · 51 km deep · 98 km away
  58. 2.695 km SSE of Adak, Alaska · 2945 days ago · 16 km deep · 61 km away
  59. 2.4144 km SSE of Adak, Alaska · 2945 days ago · 14 km deep · 59 km away
  60. 1.553 km SE of Adak, Alaska · 2944 days ago · 9 km deep · 93 km away

The first 60 of 87.

Before

  1. 1.568 km SSE of Adak, Alaska · 2978 days ago · 26 km deep · 79 km away
  2. 2.163 km SE of Adak, Alaska · 2981 days ago · 23 km deep · 87 km away
  3. 2.069 km SE of Adak, Alaska · 2985 days ago · 8 km deep · 77 km away
  4. 2.3147 km S of Atka, Alaska · 2988 days ago · 28 km deep · 99 km away
  5. 2.299 km SSE of Adak, Alaska · 2988 days ago · 5 km deep · 57 km away
  6. 1.760 km SSE of Adak, Alaska · 2989 days ago · 26 km deep · 94 km away
  7. 1.672 km SE of Adak, Alaska · 2991 days ago · 26 km deep · 76 km away
  8. 2.0111 km SSW of Atka, Alaska · 2992 days ago · 21 km deep · 62 km away
  9. 3.366 km ESE of Adak, Alaska · 2993 days ago · 35 km deep · 90 km away
  10. 3.264 km ESE of Adak, Alaska · 2994 days ago · 35 km deep · 93 km away
  11. 3.3105 km S of Atka, Alaska · 2996 days ago · 8 km deep · 81 km away
  12. 1.7126 km SSW of Atka, Alaska · 2996 days ago · 18 km deep · 45 km away
  13. 2.094 km SW of Atka, Alaska · 2997 days ago · 26 km deep · 85 km away
  14. 2.574 km SSE of Adak, Alaska · 2997 days ago · 30 km deep · 80 km away
  15. 1.662 km SSE of Adak, Alaska · 2998 days ago · 11 km deep · 89 km away
  16. 1.560 km SSE of Adak, Alaska · 2999 days ago · 26 km deep · 89 km away
  17. 2.9102 km ESE of Adak, Alaska · 3000 days ago · 51 km deep · 67 km away
  18. 2.394 km S of Atka, Alaska · 3001 days ago · 8 km deep · 95 km away
  19. 2.6162 km S of Atka, Alaska · 3003 days ago · 10 km deep · 92 km away
  20. 1.649 km SSE of Adak, Alaska · 3004 days ago · 42 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018a3wuk73 (also filed as ak20104288). Read Fri, Oct 2, 2026, 5:17 PM UTC.