Alaska earthquakes

M1.6 earthquake 49 km W of False Pass, Alaska

A magnitude 1.6 earthquake struck 49 km W of False Pass, Alaska on Mon, Dec 18, 2023, 9:16 AM AKST (18:16 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.0 89 km SSW of False Pass, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2023-12-18 18:16:53 UTC
Depth
11.7 km (7.3 mi), shallow
Epicenter
54.771° N, 164.171° 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 1.6 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
306°, poorly surrounded by stations
Stations used
4

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 41 in the 30 days before it.

After

  1. 2.721 km W of Cold Bay, Alaska · 1013 days ago · 129 km deep · 86 km away
  2. 1.639 km SW of King Cove, Alaska · 1012 days ago · 69 km deep · 97 km away
  3. 2.498 km S of False Pass, Alaska · 1012 days ago · 26 km deep · 97 km away
  4. 4.089 km SSW of False Pass, Alaska · 1012 days ago · 38 km deep · 83 km away
  5. 2.287 km S of False Pass, Alaska · 1007 days ago · 20 km deep · 87 km away
  6. 1.644 km WSW of False Pass, Alaska · 1007 days ago · 3 km deep · 6 km away
  7. 2.179 km E of Akutan, Alaska · 1007 days ago · 17 km deep · 84 km away
  8. 2.120 km S of False Pass, Alaska · 1006 days ago · 5 km deep · 53 km away
  9. 3.043 km WSW of False Pass, Alaska · 1006 days ago · 7 km deep · 7 km away
  10. 3.646 km WSW of False Pass, Alaska · 1006 days ago · 10 km deep · 3 km away
  11. 1.946 km WSW of False Pass, Alaska · 1006 days ago · 5 km deep · 5 km away
  12. 1.531 km SSE of False Pass, Alaska · 1005 days ago · 13 km deep · 65 km away
  13. 1.920 km ENE of False Pass, Alaska · 1005 days ago · 141 km deep · 70 km away
  14. 1.749 km WSW of False Pass, Alaska · 1002 days ago · 9 km deep · 2 km away
  15. 2.625 km W of False Pass, Alaska · 1001 days ago · 150 km deep · 27 km away
  16. 2.014 km SW of Cold Bay, Alaska · 1001 days ago · 108 km deep · 91 km away
  17. 2.379 km S of False Pass, Alaska · 1001 days ago · 80 km deep · 81 km away
  18. 2.581 km S of False Pass, Alaska · 1000 days ago · 83 km deep · 80 km away
  19. 2.483 km E of Akutan, Alaska · 994 days ago · 63 km deep · 84 km away
  20. 1.745 km WSW of False Pass, Alaska · 992 days ago · 3 km deep · 6 km away
  21. 1.942 km SSE of False Pass, Alaska · 987 days ago · 63 km deep · 67 km away
  22. 2.6100 km NNW of False Pass, Alaska · 986 days ago · 13 km deep · 95 km away
  23. 2.438 km SW of King Cove, Alaska · 985 days ago · 86 km deep · 97 km away
  24. 2.427 km SE of False Pass, Alaska · 984 days ago · 78 km deep · 71 km away
  25. 2.184 km S of False Pass, Alaska · 984 days ago · 4 km deep · 98 km away
  26. 1.545 km WSW of False Pass, Alaska · 982 days ago · 5 km deep · 6 km away
  27. 3.047 km SSW of False Pass, Alaska · 982 days ago · 130 km deep · 47 km away
  28. 2.9100 km E of Akutan, Alaska · 981 days ago · 35 km deep · 88 km away
  29. 1.544 km WSW of False Pass, Alaska · 980 days ago · -3 km deep · 8 km away
  30. 2.885 km ENE of Akutan, Alaska · 979 days ago · 83 km deep · 55 km away
  31. 1.940 km SW of King Cove, Alaska · 979 days ago · 10 km deep · 93 km away
  32. 2.876 km ENE of Akutan, Alaska · 979 days ago · 94 km deep · 50 km away
  33. 2.1103 km SSW of False Pass, Alaska · 978 days ago · 26 km deep · 87 km away
  34. 1.955 km SSE of False Pass, Alaska · 978 days ago · 62 km deep · 78 km away
  35. 1.892 km S of False Pass, Alaska · 977 days ago · 26 km deep · 88 km away
  36. 1.844 km SSW of King Cove, Alaska · 977 days ago · 8 km deep · 98 km away
  37. 2.555 km SSE of False Pass, Alaska · 974 days ago · 35 km deep · 88 km away
  38. 2.788 km SSW of False Pass, Alaska · 974 days ago · 35 km deep · 65 km away
  39. 2.249 km ESE of Akutan, Alaska · 974 days ago · 65 km deep · 99 km away
  40. 2.183 km SSW of False Pass, Alaska · 974 days ago · 69 km deep · 67 km away
  41. 2.637 km SW of False Pass, Alaska · 973 days ago · 133 km deep · 30 km away
  42. 2.044 km SE of False Pass, Alaska · 973 days ago · 57 km deep · 82 km away
  43. 2.333 km SSW of False Pass, Alaska · 967 days ago · 87 km deep · 38 km away
  44. 2.584 km ESE of Akutan, Alaska · 966 days ago · 35 km deep · 90 km away
  45. 2.288 km S of False Pass, Alaska · 963 days ago · 19 km deep · 95 km away
  46. 2.5109 km SSW of False Pass, Alaska · 963 days ago · 35 km deep · 94 km away
  47. 2.772 km ESE of Akutan, Alaska · 963 days ago · 67 km deep · 99 km away
  48. 2.142 km SSW of King Cove, Alaska · 962 days ago · 74 km deep · 96 km away
  49. 1.635 km SSW of False Pass, Alaska · 960 days ago · 12 km deep · 48 km away
  50. 1.734 km SSW of False Pass, Alaska · 960 days ago · 14 km deep · 49 km away
  51. 2.032 km SSW of False Pass, Alaska · 960 days ago · 12 km deep · 46 km away
  52. 1.828 km SSW of False Pass, Alaska · 960 days ago · 13 km deep · 43 km away
  53. 2.174 km S of False Pass, Alaska · 959 days ago · 26 km deep · 80 km away
  54. 2.065 km S of False Pass, Alaska · 959 days ago · 24 km deep · 74 km away
  55. 2.465 km S of False Pass, Alaska · 958 days ago · 74 km deep · 69 km away
  56. 1.647 km WSW of False Pass, Alaska · 955 days ago · 10 km deep · 3 km away
  57. 1.651 km W of False Pass, Alaska · 955 days ago · 10 km deep · 2 km away

Before

  1. 2.237 km S of False Pass, Alaska · 1015 days ago · 82 km deep · 54 km away
  2. 2.2110 km SSW of False Pass, Alaska · 1015 days ago · 42 km deep · 95 km away
  3. 2.044 km SSW of King Cove, Alaska · 1015 days ago · 62 km deep · 99 km away
  4. 2.165 km E of Akutan, Alaska · 1016 days ago · 25 km deep · 81 km away
  5. 2.79 km SW of False Pass, Alaska · 1016 days ago · 99 km deep · 43 km away
  6. 2.576 km S of False Pass, Alaska · 1016 days ago · 35 km deep · 84 km away
  7. 2.618 km SSW of False Pass, Alaska · 1016 days ago · 93 km deep · 42 km away
  8. 1.546 km WSW of False Pass, Alaska · 1017 days ago · 8 km deep · 7 km away
  9. 2.496 km SSW of False Pass, Alaska · 1021 days ago · 26 km deep · 81 km away
  10. 2.031 km SSE of False Pass, Alaska · 1023 days ago · 7 km deep · 60 km away
  11. 2.151 km S of False Pass, Alaska · 1025 days ago · 63 km deep · 68 km away
  12. 2.783 km S of False Pass, Alaska · 1026 days ago · 55 km deep · 88 km away
  13. 1.919 km SSW of Cold Bay, Alaska · 1027 days ago · 86 km deep · 92 km away
  14. 1.929 km SSE of False Pass, Alaska · 1027 days ago · 10 km deep · 59 km away
  15. 2.873 km E of Akutan, Alaska · 1029 days ago · 45 km deep · 83 km away
  16. 2.028 km SSE of False Pass, Alaska · 1030 days ago · 12 km deep · 59 km away
  17. 2.893 km S of False Pass, Alaska · 1031 days ago · 35 km deep · 93 km away
  18. 1.933 km WSW of False Pass, Alaska · 1031 days ago · 25 km deep · 18 km away
  19. 2.289 km S of False Pass, Alaska · 1031 days ago · 21 km deep · 91 km away
  20. 1.545 km WSW of False Pass, Alaska · 1031 days ago · 2 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91124973. Read Mon, Sep 28, 2026, 6:40 AM UTC.