Alaska earthquakes

M1.8 earthquake 104 km SW of Adak, Alaska

A magnitude 1.8 earthquake struck 104 km SW of Adak, Alaska on Sat, Sep 22, 2018, 12:01 PM HADT (21:01 UTC), 34 km (21 mi) below the surface.

A larger quake followed: M4.8 126 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-09-22 21:01:06 UTC
Depth
34.4 km (21.4 mi), shallow
Epicenter
51.300° N, 177.824° 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 199 in the 60 days after this one and 157 in the 30 days before it.

After

  1. 3.9124 km W of Adak, Alaska · 2932 days ago · 15 km deep · 63 km away
  2. 2.0125 km WSW of Adak, Alaska · 2932 days ago · 5 km deep · 51 km away
  3. 1.6123 km W of Adak, Alaska · 2932 days ago · 13 km deep · 59 km away
  4. 1.6125 km W of Adak, Alaska · 2932 days ago · 13 km deep · 60 km away
  5. 1.667 km SSW of Adak, Alaska · 2932 days ago · 42 km deep · 55 km away
  6. 1.6125 km W of Adak, Alaska · 2932 days ago · 11 km deep · 60 km away
  7. 1.691 km SW of Adak, Alaska · 2932 days ago · 51 km deep · 14 km away
  8. 1.9116 km WSW of Adak, Alaska · 2931 days ago · 44 km deep · 16 km away
  9. 1.581 km WSW of Adak, Alaska · 2931 days ago · 26 km deep · 34 km away
  10. 1.5109 km WSW of Adak, Alaska · 2931 days ago · 26 km deep · 47 km away
  11. 1.656 km WSW of Adak, Alaska · 2931 days ago · 21 km deep · 49 km away
  12. 1.8151 km WSW of Adak, Alaska · 2931 days ago · 19 km deep · 49 km away
  13. 1.594 km SW of Adak, Alaska · 2930 days ago · 23 km deep · 15 km away
  14. 1.955 km WNW of Adak, Alaska · 2930 days ago · 132 km deep · 90 km away
  15. 1.981 km WSW of Adak, Alaska · 2930 days ago · 35 km deep · 35 km away
  16. 1.6148 km WSW of Adak, Alaska · 2929 days ago · 59 km deep · 52 km away
  17. 1.681 km WSW of Adak, Alaska · 2929 days ago · 31 km deep · 35 km away
  18. 1.7123 km W of Adak, Alaska · 2929 days ago · 16 km deep · 60 km away
  19. 1.6114 km WSW of Adak, Alaska · 2929 days ago · 37 km deep · 14 km away
  20. 2.222 km SSW of Adak, Alaska · 2929 days ago · 45 km deep · 87 km away
  21. 1.5119 km WSW of Adak, Alaska · 2929 days ago · 53 km deep · 25 km away
  22. 1.6144 km SW of Adak, Alaska · 2929 days ago · 37 km deep · 42 km away
  23. 1.9125 km WSW of Adak, Alaska · 2929 days ago · 13 km deep · 53 km away
  24. 1.8125 km WSW of Adak, Alaska · 2929 days ago · 10 km deep · 55 km away
  25. 1.6149 km WSW of Adak, Alaska · 2929 days ago · 62 km deep · 48 km away
  26. 1.6126 km WSW of Adak, Alaska · 2928 days ago · 9 km deep · 55 km away
  27. 2.086 km WSW of Adak, Alaska · 2928 days ago · 20 km deep · 26 km away
  28. 1.5130 km W of Adak, Alaska · 2928 days ago · 16 km deep · 65 km away
  29. 4.8126 km WSW of Adak, Alaska · 2927 days ago · 10 km deep · 53 km away
  30. 2.9125 km WSW of Adak, Alaska · 2927 days ago · 18 km deep · 49 km away
  31. 2.0124 km W of Adak, Alaska · 2927 days ago · 8 km deep · 62 km away
  32. 2.4123 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 55 km away
  33. 1.9126 km W of Adak, Alaska · 2927 days ago · 15 km deep · 60 km away
  34. 2.0124 km W of Adak, Alaska · 2927 days ago · 16 km deep · 62 km away
  35. 1.8124 km W of Adak, Alaska · 2927 days ago · 12 km deep · 58 km away
  36. 3.1124 km WSW of Adak, Alaska · 2927 days ago · 18 km deep · 51 km away
  37. 1.7125 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 57 km away
  38. 1.7124 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 55 km away
  39. 1.9129 km WSW of Adak, Alaska · 2927 days ago · 12 km deep · 60 km away
  40. 2.1124 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 56 km away
  41. 1.7127 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 53 km away
  42. 2.3125 km W of Adak, Alaska · 2927 days ago · 9 km deep · 58 km away
  43. 1.6128 km W of Adak, Alaska · 2927 days ago · 12 km deep · 63 km away
  44. 2.2128 km W of Adak, Alaska · 2927 days ago · 13 km deep · 61 km away
  45. 1.8125 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 55 km away
  46. 2.0123 km W of Adak, Alaska · 2927 days ago · 15 km deep · 59 km away
  47. 2.1125 km W of Adak, Alaska · 2927 days ago · 15 km deep · 58 km away
  48. 1.8125 km WSW of Adak, Alaska · 2927 days ago · 14 km deep · 57 km away
  49. 2.2121 km W of Adak, Alaska · 2927 days ago · 13 km deep · 59 km away
  50. 2.4123 km W of Adak, Alaska · 2927 days ago · 14 km deep · 58 km away
  51. 2.3123 km W of Adak, Alaska · 2927 days ago · 11 km deep · 58 km away
  52. 2.3125 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 58 km away
  53. 1.8123 km WSW of Adak, Alaska · 2927 days ago · 14 km deep · 56 km away
  54. 1.642 km SW of Adak, Alaska · 2927 days ago · 39 km deep · 61 km away
  55. 2.0123 km WSW of Adak, Alaska · 2927 days ago · 13 km deep · 56 km away
  56. 2.9125 km WSW of Adak, Alaska · 2927 days ago · 11 km deep · 45 km away
  57. 1.9123 km W of Adak, Alaska · 2927 days ago · 16 km deep · 58 km away
  58. 1.7130 km W of Adak, Alaska · 2927 days ago · 53 km deep · 68 km away
  59. 1.7123 km W of Adak, Alaska · 2927 days ago · 14 km deep · 59 km away
  60. 1.6123 km W of Adak, Alaska · 2927 days ago · 10 km deep · 63 km away

The first 60 of at least 199.

Before

  1. 2.5131 km SW of Adak, Alaska · 2932 days ago · 35 km deep · 28 km away
  2. 1.5154 km WSW of Adak, Alaska · 2932 days ago · 32 km deep · 59 km away
  3. 1.7129 km WSW of Adak, Alaska · 2932 days ago · 5 km deep · 59 km away
  4. 1.565 km SSW of Adak, Alaska · 2932 days ago · 42 km deep · 47 km away
  5. 1.947 km W of Adak, Alaska · 2932 days ago · 123 km deep · 80 km away
  6. 2.350 km SW of Adak, Alaska · 2932 days ago · 39 km deep · 56 km away
  7. 1.95 km SW of Adak, Alaska · 2932 days ago · 68 km deep · 99 km away
  8. 1.547 km SW of Adak, Alaska · 2932 days ago · 45 km deep · 58 km away
  9. 4.547 km WSW of Adak, Alaska · 2932 days ago · 56 km deep · 58 km away
  10. 2.193 km SW of Adak, Alaska · 2933 days ago · 26 km deep · 16 km away
  11. 1.785 km WSW of Adak, Alaska · 2933 days ago · 42 km deep · 32 km away
  12. 1.9122 km SW of Adak, Alaska · 2934 days ago · 44 km deep · 30 km away
  13. 2.246 km S of Adak, Alaska · 2934 days ago · 35 km deep · 83 km away
  14. 2.3155 km WSW of Adak, Alaska · 2934 days ago · 34 km deep · 53 km away
  15. 1.648 km S of Adak, Alaska · 2935 days ago · 26 km deep · 88 km away
  16. 3.6158 km SSW of Adak, Alaska · 2935 days ago · 10 km deep · 79 km away
  17. 1.873 km SW of Adak, Alaska · 2935 days ago · 39 km deep · 31 km away
  18. 1.9126 km WSW of Adak, Alaska · 2935 days ago · 47 km deep · 34 km away
  19. 1.794 km SW of Adak, Alaska · 2935 days ago · 52 km deep · 13 km away
  20. 1.630 km SSW of Adak, Alaska · 2935 days ago · 46 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018c6lxarn. Read Fri, Oct 2, 2026, 1:51 PM UTC.