Alaska earthquakes

M2.8 earthquake 79 km ESE of Atka, Alaska

A magnitude 2.8 earthquake struck 79 km ESE of Atka, Alaska on Wed, Dec 27, 2023, 1:01 PM HAST (23:01 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.1 155 km ESE 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-12-27 23:01:22 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.933° N, 173.130° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.3ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.3 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
322°, poorly surrounded by stations
Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 3.639 km N of Atka, Alaska · 1007 days ago · 223 km deep · 99 km away
  2. 3.0140 km ESE of Atka, Alaska · 1007 days ago · 35 km deep · 63 km away
  3. 3.9139 km SE of Atka, Alaska · 1006 days ago · 41 km deep · 66 km away
  4. 2.144 km SSE of Atka, Alaska · 1006 days ago · 38 km deep · 51 km away
  5. 3.875 km S of Atka, Alaska · 1005 days ago · 45 km deep · 93 km away
  6. 2.035 km SE of Atka, Alaska · 1004 days ago · 16 km deep · 45 km away
  7. 3.133 km ESE of Atka, Alaska · 1004 days ago · 122 km deep · 47 km away
  8. 2.152 km E of Atka, Alaska · 1003 days ago · 2 km deep · 41 km away
  9. 2.021 km SSW of Atka, Alaska · 1000 days ago · 11 km deep · 82 km away
  10. 3.3139 km E of Atka, Alaska · 998 days ago · 35 km deep · 68 km away
  11. 4.094 km SE of Atka, Alaska · 997 days ago · 50 km deep · 34 km away
  12. 3.054 km ESE of Atka, Alaska · 993 days ago · 87 km deep · 25 km away
  13. 3.0162 km E of Atka, Alaska · 993 days ago · 75 km deep · 95 km away
  14. 2.6165 km E of Atka, Alaska · 989 days ago · 10 km deep · 97 km away
  15. 2.316 km SW of Atka, Alaska · 987 days ago · 7 km deep · 85 km away
  16. 3.178 km ESE of Atka, Alaska · 986 days ago · 35 km deep · 5 km away
  17. 2.023 km SSE of Atka, Alaska · 980 days ago · 15 km deep · 61 km away
  18. 3.355 km ENE of Atka, Alaska · 976 days ago · 119 km deep · 48 km away
  19. 2.431 km NE of Atka, Alaska · 976 days ago · 150 km deep · 70 km away
  20. 2.9103 km ESE of Atka, Alaska · 975 days ago · 32 km deep · 27 km away
  21. 2.136 km ESE of Atka, Alaska · 975 days ago · 9 km deep · 42 km away
  22. 3.146 km SE of Atka, Alaska · 975 days ago · 11 km deep · 35 km away
  23. 2.238 km SSE of Atka, Alaska · 975 days ago · 60 km deep · 57 km away
  24. 2.383 km SE of Atka, Alaska · 975 days ago · 46 km deep · 39 km away
  25. 1.714 km SSW of Atka, Alaska · 973 days ago · 21 km deep · 82 km away
  26. 3.778 km ESE of Atka, Alaska · 971 days ago · 78 km deep · 3 km away
  27. 1.515 km NNE of Atka, Alaska · 970 days ago · 4 km deep · 82 km away
  28. 2.435 km ESE of Atka, Alaska · 966 days ago · 13 km deep · 44 km away
  29. 1.612 km NNW of Atka, Alaska · 964 days ago · 5 km deep · 88 km away
  30. 1.730 km SE of Atka, Alaska · 963 days ago · 18 km deep · 50 km away
  31. 2.5100 km SSE of Atka, Alaska · 963 days ago · 12 km deep · 78 km away
  32. 2.2101 km SSE of Atka, Alaska · 963 days ago · 24 km deep · 81 km away
  33. 2.152 km SE of Atka, Alaska · 962 days ago · 18 km deep · 44 km away
  34. 3.144 km SE of Atka, Alaska · 962 days ago · 67 km deep · 39 km away
  35. 2.023 km SE of Atka, Alaska · 962 days ago · 14 km deep · 60 km away
  36. 3.0100 km SE of Atka, Alaska · 961 days ago · 6 km deep · 57 km away
  37. 2.975 km E of Atka, Alaska · 960 days ago · 105 km deep · 36 km away
  38. 2.755 km S of Atka, Alaska · 960 days ago · 35 km deep · 75 km away
  39. 3.673 km ESE of Atka, Alaska · 960 days ago · 35 km deep · 9 km away
  40. 2.683 km ESE of Atka, Alaska · 960 days ago · 35 km deep · 6 km away
  41. 1.967 km ESE of Atka, Alaska · 960 days ago · 18 km deep · 18 km away
  42. 4.1155 km ESE of Atka, Alaska · 959 days ago · 35 km deep · 76 km away
  43. 2.548 km SE of Atka, Alaska · 959 days ago · 9 km deep · 34 km away
  44. 1.528 km ENE of Atka, Alaska · 958 days ago · 22 km deep · 63 km away
  45. 1.916 km SW of Atka, Alaska · 957 days ago · 9 km deep · 89 km away
  46. 3.2174 km E of Atka, Alaska · 957 days ago · 35 km deep · 99 km away
  47. 3.8104 km ENE of Atka, Alaska · 957 days ago · 162 km deep · 66 km away
  48. 2.024 km N of Atka, Alaska · 957 days ago · 6 km deep · 88 km away
  49. 2.491 km E of Atka, Alaska · 956 days ago · 26 km deep · 24 km away
  50. 3.8168 km E of Atka, Alaska · 953 days ago · 10 km deep · 94 km away
  51. 3.466 km E of Atka, Alaska · 952 days ago · 87 km deep · 20 km away
  52. 1.616 km SE of Atka, Alaska · 950 days ago · 17 km deep · 64 km away
  53. 2.950 km SSW of Atka, Alaska · 950 days ago · 35 km deep · 92 km away
  54. 3.0138 km SSE of Atka, Alaska · 950 days ago · 10 km deep · 89 km away
  55. 3.072 km ESE of Atka, Alaska · 949 days ago · 69 km deep · 16 km away
  56. 2.428 km NNE of Atka, Alaska · 949 days ago · 10 km deep · 88 km away
  57. 2.155 km SSW of Atka, Alaska · 949 days ago · 23 km deep · 96 km away

Before

  1. 3.365 km ENE of Atka, Alaska · 1008 days ago · 183 km deep · 52 km away
  2. 2.5101 km SSE of Atka, Alaska · 1010 days ago · 35 km deep · 67 km away
  3. 3.147 km SE of Atka, Alaska · 1011 days ago · 10 km deep · 40 km away
  4. 1.823 km SSW of Atka, Alaska · 1011 days ago · 60 km deep · 86 km away
  5. 1.929 km S of Atka, Alaska · 1011 days ago · 65 km deep · 72 km away
  6. 3.235 km E of Atka, Alaska · 1012 days ago · 179 km deep · 53 km away
  7. 3.121 km SE of Atka, Alaska · 1012 days ago · 134 km deep · 58 km away
  8. 3.5100 km ESE of Atka, Alaska · 1013 days ago · 35 km deep · 26 km away
  9. 2.137 km E of Atka, Alaska · 1016 days ago · 13 km deep · 50 km away
  10. 3.863 km E of Atka, Alaska · 1018 days ago · 77 km deep · 25 km away
  11. 2.338 km ESE of Atka, Alaska · 1022 days ago · 24 km deep · 40 km away
  12. 3.5102 km NE of Atka, Alaska · 1023 days ago · 216 km deep · 93 km away
  13. 1.934 km ESE of Atka, Alaska · 1024 days ago · 4 km deep · 44 km away
  14. 1.932 km ESE of Atka, Alaska · 1024 days ago · 5 km deep · 47 km away
  15. 2.947 km S of Atka, Alaska · 1026 days ago · 60 km deep · 75 km away
  16. 3.087 km ESE of Atka, Alaska · 1029 days ago · 35 km deep · 17 km away
  17. 3.570 km E of Atka, Alaska · 1030 days ago · 159 km deep · 28 km away
  18. 2.230 km SE of Atka, Alaska · 1030 days ago · 80 km deep · 50 km away
  19. 2.337 km ENE of Atka, Alaska · 1032 days ago · 13 km deep · 53 km away
  20. 3.264 km E of Atka, Alaska · 1032 days ago · 116 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000m3pc (also filed as ak023glepikl). Read Thu, Oct 1, 2026, 2:33 AM UTC.