Alaska earthquakes

M3.6 earthquake 110 km ESE of Adak, Alaska

A magnitude 3.6 earthquake struck 110 km ESE of Adak, Alaska on Sat, Dec 23, 2023, 4:21 PM HAST (02:21 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M4.9 124 km SSW 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
3.6 (ml), minor
Local time
UTC
2023-12-24 02:21:19 UTC
Depth
30.3 km (18.8 mi), shallow
Epicenter
51.335° N, 175.295° 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.

Location uncertainty
About 2.8 km horizontally, 9.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
234°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 93 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.182 km ENE of Adak, Alaska · 1011 days ago · 95 km deep · 81 km away
  2. 1.860 km SE of Adak, Alaska · 1011 days ago · 26 km deep · 57 km away
  3. 1.9105 km ESE of Adak, Alaska · 1011 days ago · 26 km deep · 5 km away
  4. 1.823 km SSW of Atka, Alaska · 1011 days ago · 60 km deep · 99 km away
  5. 3.7110 km SE of Adak, Alaska · 1011 days ago · 35 km deep · 10 km away
  6. 2.0103 km ESE of Adak, Alaska · 1011 days ago · 26 km deep · 7 km away
  7. 3.2109 km ESE of Adak, Alaska · 1010 days ago · 28 km deep · 4 km away
  8. 2.6103 km ESE of Adak, Alaska · 1009 days ago · 35 km deep · 8 km away
  9. 2.6103 km ESE of Adak, Alaska · 1009 days ago · 35 km deep · 8 km away
  10. 3.0108 km SE of Adak, Alaska · 1009 days ago · 35 km deep · 4 km away
  11. 2.797 km SW of Atka, Alaska · 1009 days ago · 35 km deep · 28 km away
  12. 3.9109 km ESE of Adak, Alaska · 1008 days ago · 35 km deep · 2 km away
  13. 1.884 km SW of Atka, Alaska · 1008 days ago · 14 km deep · 39 km away
  14. 2.298 km ESE of Adak, Alaska · 1007 days ago · 26 km deep · 12 km away
  15. 2.060 km SSE of Adak, Alaska · 1007 days ago · 23 km deep · 61 km away
  16. 2.3131 km SE of Adak, Alaska · 1007 days ago · 26 km deep · 23 km away
  17. 1.860 km SSE of Adak, Alaska · 1007 days ago · 23 km deep · 61 km away
  18. 4.1115 km ESE of Adak, Alaska · 1006 days ago · 39 km deep · 15 km away
  19. 3.8124 km SE of Adak, Alaska · 1006 days ago · 35 km deep · 15 km away
  20. 3.0118 km SE of Adak, Alaska · 1006 days ago · 10 km deep · 25 km away
  21. 2.039 km S of Adak, Alaska · 1005 days ago · 42 km deep · 97 km away
  22. 3.875 km S of Atka, Alaska · 1005 days ago · 45 km deep · 72 km away
  23. 2.052 km S of Adak, Alaska · 1004 days ago · 31 km deep · 94 km away
  24. 3.1106 km ESE of Adak, Alaska · 1003 days ago · 35 km deep · 17 km away
  25. 3.5113 km SE of Adak, Alaska · 995 days ago · 35 km deep · 4 km away
  26. 4.9124 km SSW of Atka, Alaska · 995 days ago · 10 km deep · 29 km away
  27. 3.3129 km SSW of Atka, Alaska · 994 days ago · 35 km deep · 30 km away
  28. 3.8129 km SSW of Atka, Alaska · 994 days ago · 25 km deep · 27 km away
  29. 2.976 km SE of Adak, Alaska · 992 days ago · 35 km deep · 35 km away
  30. 4.111 km SSE of Adak, Alaska · 988 days ago · 70 km deep · 100 km away · felt by 1
  31. 3.433 km SSE of Adak, Alaska · 988 days ago · 35 km deep · 84 km away
  32. 1.753 km SSE of Adak, Alaska · 975 days ago · 17 km deep · 76 km away
  33. 2.158 km WSW of Atka, Alaska · 975 days ago · 61 km deep · 70 km away
  34. 2.159 km SE of Adak, Alaska · 975 days ago · 25 km deep · 52 km away
  35. 1.899 km SW of Atka, Alaska · 975 days ago · 26 km deep · 26 km away
  36. 1.962 km SW of Atka, Alaska · 974 days ago · 35 km deep · 61 km away
  37. 2.686 km ESE of Adak, Alaska · 974 days ago · 35 km deep · 24 km away
  38. 1.868 km SW of Atka, Alaska · 974 days ago · 26 km deep · 55 km away
  39. 1.653 km SSE of Adak, Alaska · 974 days ago · 19 km deep · 81 km away
  40. 2.749 km SW of Atka, Alaska · 974 days ago · 65 km deep · 73 km away
  41. 1.870 km SSW of Atka, Alaska · 974 days ago · 20 km deep · 52 km away
  42. 1.843 km SE of Adak, Alaska · 973 days ago · 42 km deep · 69 km away
  43. 3.451 km ESE of Adak, Alaska · 973 days ago · 74 km deep · 64 km away
  44. 2.055 km ENE of Adak, Alaska · 973 days ago · 16 km deep · 89 km away
  45. 1.962 km SSE of Adak, Alaska · 972 days ago · 3 km deep · 80 km away
  46. 2.081 km ESE of Adak, Alaska · 972 days ago · 45 km deep · 29 km away
  47. 3.067 km E of Adak, Alaska · 971 days ago · 79 km deep · 65 km away
  48. 2.8195 km SE of Adak, Alaska · 971 days ago · 10 km deep · 99 km away
  49. 1.922 km SSE of Adak, Alaska · 971 days ago · 62 km deep · 94 km away
  50. 2.059 km SE of Adak, Alaska · 971 days ago · 22 km deep · 59 km away
  51. 3.266 km SE of Adak, Alaska · 970 days ago · 35 km deep · 54 km away
  52. 2.695 km SW of Atka, Alaska · 970 days ago · 35 km deep · 31 km away
  53. 1.961 km SW of Atka, Alaska · 968 days ago · 22 km deep · 62 km away
  54. 3.445 km SW of Atka, Alaska · 967 days ago · 45 km deep · 78 km away
  55. 1.848 km SE of Adak, Alaska · 966 days ago · 26 km deep · 67 km away
  56. 2.9112 km SSW of Atka, Alaska · 965 days ago · 10 km deep · 32 km away
  57. 1.856 km SE of Adak, Alaska · 965 days ago · 29 km deep · 55 km away
  58. 2.949 km WSW of Atka, Alaska · 965 days ago · 155 km deep · 78 km away
  59. 1.862 km SSE of Adak, Alaska · 964 days ago · 26 km deep · 64 km away
  60. 1.922 km ESE of Adak, Alaska · 964 days ago · 67 km deep · 88 km away

The first 60 of 93.

Before

  1. 2.6120 km SE of Adak, Alaska · 1012 days ago · 10 km deep · 17 km away
  2. 3.3103 km ESE of Adak, Alaska · 1012 days ago · 35 km deep · 9 km away
  3. 3.293 km SW of Atka, Alaska · 1012 days ago · 49 km deep · 35 km away
  4. 2.278 km S of Adak, Alaska · 1012 days ago · 19 km deep · 91 km away
  5. 2.294 km S of Adak, Alaska · 1012 days ago · 16 km deep · 99 km away
  6. 2.1108 km SE of Adak, Alaska · 1012 days ago · 13 km deep · 12 km away
  7. 4.0113 km SE of Adak, Alaska · 1013 days ago · 22 km deep · 12 km away
  8. 2.6111 km SE of Adak, Alaska · 1013 days ago · 16 km deep · 11 km away
  9. 4.1110 km SE of Adak, Alaska · 1013 days ago · 42 km deep · 12 km away · felt by 1
  10. 2.9105 km ESE of Adak, Alaska · 1013 days ago · 35 km deep · 5 km away
  11. 3.3117 km SE of Adak, Alaska · 1013 days ago · 10 km deep · 8 km away
  12. 3.0112 km SE of Adak, Alaska · 1013 days ago · 10 km deep · 13 km away
  13. 3.024 km E of Adak, Alaska · 1014 days ago · 77 km deep · 88 km away
  14. 4.0114 km SE of Adak, Alaska · 1014 days ago · 34 km deep · 13 km away
  15. 3.8106 km SE of Adak, Alaska · 1014 days ago · 35 km deep · 9 km away
  16. 4.1105 km SE of Adak, Alaska · 1014 days ago · 38 km deep · 10 km away
  17. 2.7107 km SE of Adak, Alaska · 1014 days ago · 35 km deep · 7 km away
  18. 3.6116 km SE of Adak, Alaska · 1014 days ago · 35 km deep · 15 km away
  19. 3.3128 km SE of Adak, Alaska · 1014 days ago · 35 km deep · 23 km away
  20. 4.7120 km SE of Adak, Alaska · 1014 days ago · 29 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000m304 (also filed as ak023gg3po75). Read Thu, Oct 1, 2026, 1:34 AM UTC.