Alaska earthquakes

M1.8 earthquake 63 km SSW of Adak, Alaska

A magnitude 1.8 earthquake struck 63 km SSW of Adak, Alaska on Fri, Aug 24, 2018, 10:19 AM HADT (19:19 UTC), 49 km (30 mi) below the surface.

A larger quake followed: M5.1 94 km SW 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-08-24 19:19:34 UTC
Depth
48.7 km (30.3 mi), shallow
Epicenter
51.380° N, 177.084° 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
14

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.993 km SW of Adak, Alaska · 2960 days ago · 42 km deep · 36 km away
  2. 1.688 km WSW of Adak, Alaska · 2960 days ago · 27 km deep · 52 km away
  3. 1.887 km SW of Adak, Alaska · 2960 days ago · 42 km deep · 30 km away
  4. 2.096 km SW of Adak, Alaska · 2960 days ago · 33 km deep · 43 km away
  5. 2.389 km SW of Adak, Alaska · 2960 days ago · 37 km deep · 35 km away
  6. 2.19 km ENE of Adak, Alaska · 2960 days ago · 74 km deep · 71 km away
  7. 1.993 km SW of Adak, Alaska · 2960 days ago · 25 km deep · 40 km away
  8. 2.1122 km SW of Adak, Alaska · 2960 days ago · 11 km deep · 61 km away
  9. 2.2105 km SW of Adak, Alaska · 2960 days ago · 26 km deep · 51 km away
  10. 2.458 km SE of Adak, Alaska · 2959 days ago · 24 km deep · 65 km away
  11. 2.4126 km SW of Adak, Alaska · 2959 days ago · 22 km deep · 72 km away
  12. 2.146 km SW of Adak, Alaska · 2959 days ago · 38 km deep · 21 km away
  13. 1.991 km SW of Adak, Alaska · 2959 days ago · 23 km deep · 34 km away
  14. 2.073 km ESE of Adak, Alaska · 2959 days ago · 47 km deep · 96 km away
  15. 1.852 km SE of Adak, Alaska · 2959 days ago · 46 km deep · 76 km away
  16. 1.9123 km WSW of Adak, Alaska · 2959 days ago · 13 km deep · 96 km away
  17. 2.3Andreanof Islands, Aleutian Islands, Alaska · 2959 days ago · 40 km deep · 61 km away
  18. 1.9112 km SW of Adak, Alaska · 2959 days ago · 46 km deep · 61 km away
  19. 1.6117 km WSW of Adak, Alaska · 2958 days ago · 19 km deep · 69 km away
  20. 4.0108 km SSE of Adak, Alaska · 2958 days ago · 29 km deep · 84 km away
  21. 1.996 km SW of Adak, Alaska · 2958 days ago · 49 km deep · 43 km away
  22. 1.7129 km SW of Adak, Alaska · 2958 days ago · 24 km deep · 78 km away
  23. 1.8100 km SW of Adak, Alaska · 2958 days ago · 26 km deep · 46 km away
  24. 2.098 km SW of Adak, Alaska · 2958 days ago · 34 km deep · 43 km away
  25. 2.5102 km SSE of Adak, Alaska · 2958 days ago · 34 km deep · 77 km away
  26. 2.0126 km WSW of Adak, Alaska · 2958 days ago · 5 km deep · 94 km away
  27. 1.699 km SW of Adak, Alaska · 2958 days ago · 44 km deep · 44 km away
  28. 2.3109 km SSE of Adak, Alaska · 2958 days ago · 33 km deep · 84 km away
  29. 2.0117 km SW of Adak, Alaska · 2958 days ago · 26 km deep · 67 km away
  30. 1.645 km WSW of Adak, Alaska · 2957 days ago · 61 km deep · 32 km away
  31. 1.6112 km WSW of Adak, Alaska · 2957 days ago · 56 km deep · 65 km away
  32. 2.2114 km SW of Adak, Alaska · 2956 days ago · 26 km deep · 62 km away
  33. 2.376 km SW of Adak, Alaska · 2956 days ago · 59 km deep · 31 km away
  34. 2.496 km SW of Adak, Alaska · 2956 days ago · 23 km deep · 43 km away
  35. 2.4130 km WSW of Adak, Alaska · 2956 days ago · 50 km deep · 93 km away
  36. 4.791 km SSE of Adak, Alaska · 2956 days ago · 38 km deep · 73 km away
  37. 3.298 km SSE of Adak, Alaska · 2956 days ago · 23 km deep · 76 km away
  38. 2.889 km SSE of Adak, Alaska · 2956 days ago · 3 km deep · 65 km away
  39. 3.998 km SSE of Adak, Alaska · 2956 days ago · 33 km deep · 75 km away
  40. 2.683 km SSE of Adak, Alaska · 2956 days ago · 26 km deep · 70 km away
  41. 2.987 km SSE of Adak, Alaska · 2956 days ago · 7 km deep · 66 km away
  42. 3.6107 km SSE of Adak, Alaska · 2955 days ago · 30 km deep · 85 km away
  43. 3.8105 km SSE of Adak, Alaska · 2955 days ago · 28 km deep · 84 km away
  44. 4.0113 km SSE of Adak, Alaska · 2955 days ago · 27 km deep · 90 km away
  45. 3.9109 km SSE of Adak, Alaska · 2955 days ago · 35 km deep · 84 km away
  46. 2.499 km SSE of Adak, Alaska · 2955 days ago · 26 km deep · 76 km away
  47. 2.885 km SSE of Adak, Alaska · 2955 days ago · 10 km deep · 71 km away
  48. 2.447 km W of Adak, Alaska · 2955 days ago · 97 km deep · 62 km away
  49. 2.594 km SSE of Adak, Alaska · 2955 days ago · 18 km deep · 74 km away
  50. 2.695 km SSE of Adak, Alaska · 2955 days ago · 12 km deep · 71 km away
  51. 3.335 km SE of Adak, Alaska · 2955 days ago · 38 km deep · 59 km away
  52. 3.3110 km SSE of Adak, Alaska · 2955 days ago · 32 km deep · 89 km away
  53. 2.7101 km SSE of Adak, Alaska · 2955 days ago · 33 km deep · 74 km away
  54. 1.9101 km SW of Adak, Alaska · 2955 days ago · 13 km deep · 44 km away
  55. 3.2102 km SSE of Adak, Alaska · 2955 days ago · 14 km deep · 81 km away
  56. 2.2158 km SW of Adak, Alaska · 2954 days ago · 11 km deep · 99 km away
  57. 2.786 km SSE of Adak, Alaska · 2954 days ago · 8 km deep · 74 km away
  58. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2954 days ago · 25 km deep · 56 km away
  59. 2.6106 km SSE of Adak, Alaska · 2954 days ago · 30 km deep · 85 km away
  60. 2.798 km SSE of Adak, Alaska · 2954 days ago · 19 km deep · 79 km away

The first 60 of at least 200.

Before

  1. 2.089 km SW of Adak, Alaska · 2961 days ago · 53 km deep · 38 km away
  2. 2.1123 km WSW of Adak, Alaska · 2961 days ago · 61 km deep · 76 km away
  3. 1.686 km WSW of Adak, Alaska · 2961 days ago · 13 km deep · 48 km away
  4. 1.990 km SW of Adak, Alaska · 2961 days ago · 32 km deep · 32 km away
  5. 1.911 km ENE of Adak, Alaska · 2961 days ago · 74 km deep · 73 km away
  6. 1.9125 km WSW of Adak, Alaska · 2961 days ago · 40 km deep · 79 km away
  7. 1.7107 km SW of Adak, Alaska · 2961 days ago · 34 km deep · 52 km away
  8. 2.7104 km SW of Adak, Alaska · 2961 days ago · 33 km deep · 46 km away
  9. 1.696 km SW of Adak, Alaska · 2961 days ago · 22 km deep · 45 km away
  10. 1.889 km SW of Adak, Alaska · 2961 days ago · 57 km deep · 35 km away
  11. 2.788 km WSW of Adak, Alaska · 2961 days ago · 32 km deep · 49 km away
  12. 2.296 km SW of Adak, Alaska · 2961 days ago · 23 km deep · 40 km away
  13. 1.7106 km SW of Adak, Alaska · 2961 days ago · 33 km deep · 54 km away
  14. 2.2114 km WSW of Adak, Alaska · 2961 days ago · 41 km deep · 67 km away
  15. 3.7127 km WSW of Adak, Alaska · 2962 days ago · 10 km deep · 89 km away
  16. 1.9113 km WSW of Adak, Alaska · 2962 days ago · 50 km deep · 65 km away
  17. 2.195 km SW of Adak, Alaska · 2962 days ago · 38 km deep · 41 km away
  18. 2.499 km SW of Adak, Alaska · 2962 days ago · 23 km deep · 44 km away
  19. 2.297 km SW of Adak, Alaska · 2962 days ago · 22 km deep · 43 km away
  20. 2.397 km SW of Adak, Alaska · 2962 days ago · 23 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018aum9aa7 (also filed as ak20183789). Read Fri, Oct 2, 2026, 4:15 AM UTC.