Alaska earthquakes

M2.1 earthquake 82 km ESE of Atka, Alaska

A magnitude 2.1 earthquake struck 82 km ESE of Atka, Alaska on Mon, Oct 22, 2018, 8:33 PM HADT (05:33 UTC), 44 km (27 mi) below the surface.

A larger quake followed: M4.6 93 km S of Atka, 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-10-23 05:33:15 UTC
Depth
43.7 km (27.2 mi), shallow
Epicenter
51.805° N, 173.182° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 3.943 km ESE of Atka, Alaska · 2901 days ago · 95 km deep · 42 km away
  2. 3.2169 km E of Atka, Alaska · 2900 days ago · 38 km deep · 99 km away
  3. 2.8155 km E of Atka, Alaska · 2899 days ago · 33 km deep · 90 km away
  4. 3.564 km ENE of Atka, Alaska · 2897 days ago · 114 km deep · 81 km away
  5. 1.695 km S of Atka, Alaska · 2895 days ago · 27 km deep · 78 km away
  6. 4.693 km S of Atka, Alaska · 2894 days ago · 10 km deep · 94 km away
  7. 2.586 km S of Atka, Alaska · 2894 days ago · 35 km deep · 81 km away
  8. 3.078 km SSW of Atka, Alaska · 2892 days ago · 33 km deep · 92 km away
  9. 2.162 km SSE of Atka, Alaska · 2891 days ago · 4 km deep · 47 km away
  10. 1.741 km S of Atka, Alaska · 2887 days ago · 47 km deep · 75 km away
  11. 2.166 km SE of Atka, Alaska · 2886 days ago · 30 km deep · 19 km away
  12. 4.375 km ENE of Atka, Alaska · 2883 days ago · 183 km deep · 63 km away
  13. 1.845 km SE of Atka, Alaska · 2879 days ago · 47 km deep · 42 km away
  14. 2.619 km N of Atka, Alaska · 2879 days ago · 178 km deep · 95 km away
  15. 3.017 km SE of Atka, Alaska · 2878 days ago · 10 km deep · 66 km away
  16. 3.012 km SE of Atka, Alaska · 2877 days ago · 10 km deep · 71 km away
  17. 1.563 km SSW of Atka, Alaska · 2877 days ago · 22 km deep · 96 km away
  18. 1.723 km SW of Atka, Alaska · 2874 days ago · 75 km deep · 92 km away
  19. 2.228 km SE of Atka, Alaska · 2874 days ago · 147 km deep · 55 km away
  20. 2.176 km SE of Atka, Alaska · 2873 days ago · 30 km deep · 6 km away
  21. 2.250 km SSW of Atka, Alaska · 2868 days ago · 20 km deep · 85 km away
  22. 2.433 km NNE of Atka, Alaska · 2866 days ago · 60 km deep · 90 km away
  23. 2.9143 km E of Atka, Alaska · 2865 days ago · 35 km deep · 81 km away
  24. 2.883 km S of Atka, Alaska · 2862 days ago · 35 km deep · 91 km away
  25. 2.822 km NNW of Atka, Alaska · 2860 days ago · 206 km deep · 99 km away
  26. 2.386 km SSW of Atka, Alaska · 2859 days ago · 14 km deep · 97 km away
  27. 4.0177 km ESE of Atka, Alaska · 2858 days ago · 37 km deep · 100 km away
  28. 2.840 km E of Atka, Alaska · 2858 days ago · 35 km deep · 52 km away
  29. 1.848 km E of Atka, Alaska · 2857 days ago · 16 km deep · 48 km away
  30. 1.951 km SSE of Atka, Alaska · 2856 days ago · 9 km deep · 49 km away
  31. 3.1108 km ENE of Atka, Alaska · 2853 days ago · 146 km deep · 86 km away
  32. 1.518 km NE of Atka, Alaska · 2853 days ago · 19 km deep · 77 km away
  33. 2.415 km SE of Atka, Alaska · 2851 days ago · 135 km deep · 68 km away
  34. 2.642 km E of Atka, Alaska · 2850 days ago · 131 km deep · 47 km away
  35. 1.856 km SSW of Atka, Alaska · 2849 days ago · 38 km deep · 96 km away
  36. 2.179 km ESE of Atka, Alaska · 2848 days ago · 33 km deep · 4 km away
  37. 2.260 km SSE of Atka, Alaska · 2848 days ago · 34 km deep · 57 km away
  38. 3.393 km SSE of Atka, Alaska · 2846 days ago · 35 km deep · 40 km away
  39. 2.049 km ENE of Atka, Alaska · 2844 days ago · 6 km deep · 64 km away
  40. 2.122 km SW of Atka, Alaska · 2844 days ago · 64 km deep · 87 km away
  41. 2.512 km ENE of Atka, Alaska · 2843 days ago · 164 km deep · 76 km away

Before

  1. 2.571 km S of Atka, Alaska · 2903 days ago · 35 km deep · 79 km away
  2. 2.8141 km ESE of Atka, Alaska · 2903 days ago · 35 km deep · 69 km away
  3. 2.340 km S of Atka, Alaska · 2903 days ago · 26 km deep · 78 km away
  4. 2.173 km E of Atka, Alaska · 2904 days ago · 11 km deep · 46 km away
  5. 3.8100 km S of Atka, Alaska · 2907 days ago · 27 km deep · 83 km away
  6. 2.071 km E of Atka, Alaska · 2907 days ago · 11 km deep · 45 km away
  7. 1.754 km SSW of Atka, Alaska · 2907 days ago · 10 km deep · 95 km away
  8. 3.3129 km ESE of Atka, Alaska · 2909 days ago · 39 km deep · 57 km away
  9. 2.144 km SSE of Atka, Alaska · 2910 days ago · 56 km deep · 55 km away
  10. 2.6133 km ESE of Atka, Alaska · 2912 days ago · 35 km deep · 53 km away
  11. 2.048 km E of Atka, Alaska · 2913 days ago · 18 km deep · 51 km away
  12. 2.026 km E of Atka, Alaska · 2913 days ago · 94 km deep · 61 km away
  13. 1.8113 km S of Atka, Alaska · 2914 days ago · 18 km deep · 87 km away
  14. 2.462 km SE of Atka, Alaska · 2914 days ago · 32 km deep · 26 km away
  15. 2.5131 km E of Atka, Alaska · 2915 days ago · 35 km deep · 70 km away
  16. 2.724 km E of Atka, Alaska · 2915 days ago · 106 km deep · 60 km away
  17. 3.3128 km ESE of Atka, Alaska · 2916 days ago · 23 km deep · 58 km away
  18. 3.354 km ENE of Atka, Alaska · 2919 days ago · 279 km deep · 58 km away
  19. 2.184 km SE of Atka, Alaska · 2919 days ago · 9 km deep · 6 km away
  20. 1.832 km SSW of Atka, Alaska · 2919 days ago · 97 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018dlm9008 (also filed as ak20289362). Read Sat, Oct 3, 2026, 7:54 PM UTC.