Alaska earthquakes

M2.3 earthquake 63 km ESE of Nikolski, Alaska

A magnitude 2.3 earthquake struck 63 km ESE of Nikolski, Alaska on Tue, Dec 21, 2021, 11:12 AM AKST (20:12 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M6.8 100 km SE of Nikolski, 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
2.3 (ml), micro
Local time
UTC
2021-12-21 20:12:30 UTC
Depth
21.5 km (13.4 mi), shallow
Epicenter
52.731° N, 167.979° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 2.2Fox Islands, Aleutian Islands, Alaska · 1739 days ago · 29 km deep · 79 km away
  2. 1.783 km WSW of Unalaska, Alaska · 1739 days ago · 7 km deep · 91 km away
  3. 2.1109 km E of Nikolski, Alaska · 1737 days ago · 17 km deep · 55 km away
  4. 1.991 km E of Nikolski, Alaska · 1735 days ago · 25 km deep · 43 km away
  5. 1.9113 km S of Unalaska, Alaska · 1734 days ago · 3 km deep · 78 km away
  6. 2.285 km SSW of Unalaska, Alaska · 1731 days ago · 17 km deep · 83 km away
  7. 2.966 km SSW of Unalaska, Alaska · 1730 days ago · 4 km deep · 94 km away
  8. 2.558 km SE of Nikolski, Alaska · 1730 days ago · 34 km deep · 18 km away
  9. 1.949 km ESE of Nikolski, Alaska · 1730 days ago · 26 km deep · 15 km away
  10. 2.230 km SSE of Nikolski, Alaska · 1729 days ago · 38 km deep · 44 km away
  11. 3.583 km S of Unalaska, Alaska · 1728 days ago · 29 km deep · 95 km away
  12. 2.169 km SSW of Unalaska, Alaska · 1726 days ago · 21 km deep · 98 km away
  13. 3.287 km S of Unalaska, Alaska · 1726 days ago · 35 km deep · 92 km away
  14. 3.5Fox Islands, Aleutian Islands, Alaska · 1726 days ago · 35 km deep · 92 km away
  15. 3.391 km E of Nikolski, Alaska · 1726 days ago · 35 km deep · 49 km away
  16. 2.075 km SSW of Unalaska, Alaska · 1725 days ago · 38 km deep · 96 km away
  17. 2.491 km ENE of Nikolski, Alaska · 1722 days ago · 66 km deep · 60 km away
  18. 2.188 km S of Unalaska, Alaska · 1722 days ago · 26 km deep · 94 km away
  19. 1.774 km WSW of Unalaska, Alaska · 1722 days ago · 13 km deep · 95 km away
  20. 2.678 km S of Unalaska, Alaska · 1721 days ago · 33 km deep · 98 km away
  21. 6.8100 km SE of Nikolski, Alaska · 1720 days ago · 20 km deep · 46 km away · felt by 28 · tsunami flag
  22. 3.172 km SE of Nikolski, Alaska · 1720 days ago · 21 km deep · 25 km away
  23. 4.591 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 46 km away
  24. 4.883 km SE of Nikolski, Alaska · 1720 days ago · 17 km deep · 34 km away
  25. 4.653 km ESE of Nikolski, Alaska · 1720 days ago · 26 km deep · 10 km away
  26. 3.4104 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 55 km away
  27. 3.683 km SE of Nikolski, Alaska · 1720 days ago · 18 km deep · 36 km away
  28. 5.488 km SE of Nikolski, Alaska · 1720 days ago · 17 km deep · 40 km away · felt by 2
  29. 3.1116 km SE of Nikolski, Alaska · 1720 days ago · 21 km deep · 61 km away
  30. 2.894 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 45 km away
  31. 3.598 km SE of Nikolski, Alaska · 1720 days ago · 30 km deep · 55 km away
  32. 4.793 km SE of Nikolski, Alaska · 1720 days ago · 22 km deep · 44 km away · felt by 2
  33. 3.3105 km SE of Nikolski, Alaska · 1720 days ago · 25 km deep · 51 km away
  34. 2.8113 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 64 km away
  35. 4.494 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 48 km away
  36. 2.497 km SE of Nikolski, Alaska · 1720 days ago · 26 km deep · 50 km away
  37. 3.296 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 49 km away
  38. 2.992 km SE of Nikolski, Alaska · 1720 days ago · 19 km deep · 45 km away
  39. 2.386 km SE of Nikolski, Alaska · 1720 days ago · 34 km deep · 36 km away
  40. 2.398 km SE of Nikolski, Alaska · 1720 days ago · 24 km deep · 42 km away
  41. 3.297 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 42 km away
  42. 2.896 km SE of Nikolski, Alaska · 1720 days ago · 19 km deep · 52 km away
  43. 2.388 km SE of Nikolski, Alaska · 1720 days ago · 26 km deep · 38 km away
  44. 3.994 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 41 km away
  45. 2.795 km SE of Nikolski, Alaska · 1720 days ago · 11 km deep · 37 km away
  46. 3.0117 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 61 km away
  47. 3.4106 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 51 km away
  48. 4.781 km SE of Nikolski, Alaska · 1720 days ago · 9 km deep · 41 km away
  49. 6.653 km SE of Nikolski, Alaska · 1720 days ago · 19 km deep · 29 km away · felt by 5 · tsunami flag
  50. 3.388 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 47 km away
  51. 3.486 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 45 km away
  52. 3.396 km SE of Nikolski, Alaska · 1720 days ago · 12 km deep · 50 km away
  53. 4.781 km SE of Nikolski, Alaska · 1720 days ago · 25 km deep · 46 km away
  54. 2.686 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 40 km away
  55. 2.9Fox Islands, Aleutian Islands, Alaska · 1720 days ago · 5 km deep · 46 km away
  56. 5.882 km SE of Nikolski, Alaska · 1720 days ago · 17 km deep · 33 km away · felt by 2
  57. 5.395 km SE of Nikolski, Alaska · 1720 days ago · 15 km deep · 52 km away
  58. 4.3Fox Islands, Aleutian Islands, Alaska · 1720 days ago · 24 km deep · 46 km away
  59. 4.497 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 56 km away
  60. 2.997 km SE of Nikolski, Alaska · 1720 days ago · 10 km deep · 50 km away

The first 60 of at least 199.

Before

  1. 2.059 km ESE of Nikolski, Alaska · 1741 days ago · 22 km deep · 5 km away
  2. 4.353 km ESE of Nikolski, Alaska · 1741 days ago · 43 km deep · 13 km away
  3. 4.054 km ESE of Nikolski, Alaska · 1741 days ago · 35 km deep · 13 km away · felt by 1
  4. 2.565 km SSW of Nikolski, Alaska · 1743 days ago · 28 km deep · 95 km away
  5. 1.874 km E of Nikolski, Alaska · 1745 days ago · 40 km deep · 33 km away
  6. 2.361 km ESE of Nikolski, Alaska · 1745 days ago · 19 km deep · 5 km away
  7. 3.2116 km S of Unalaska, Alaska · 1746 days ago · 2 km deep · 83 km away
  8. 2.798 km S of Nikolski, Alaska · 1747 days ago · 35 km deep · 86 km away
  9. 1.9134 km S of Unalaska, Alaska · 1747 days ago · 10 km deep · 88 km away
  10. 2.0134 km S of Unalaska, Alaska · 1747 days ago · 14 km deep · 88 km away
  11. 2.950 km SE of Nikolski, Alaska · 1747 days ago · 35 km deep · 20 km away
  12. 1.8117 km SSW of Unalaska, Alaska · 1748 days ago · 17 km deep · 73 km away
  13. 2.487 km S of Nikolski, Alaska · 1748 days ago · 14 km deep · 98 km away
  14. 1.964 km SW of Unalaska, Alaska · 1749 days ago · 75 km deep · 97 km away
  15. 3.154 km SW of Nikolski, Alaska · 1750 days ago · 35 km deep · 100 km away
  16. 2.561 km SW of Nikolski, Alaska · 1751 days ago · 35 km deep · 99 km away
  17. 1.987 km ENE of Nikolski, Alaska · 1758 days ago · 56 km deep · 56 km away
  18. 2.7107 km E of Nikolski, Alaska · 1760 days ago · 35 km deep · 50 km away
  19. 2.154 km ESE of Nikolski, Alaska · 1761 days ago · 22 km deep · 12 km away
  20. 1.776 km SW of Unalaska, Alaska · 1761 days ago · 11 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gbfridw. Read Sun, Sep 27, 2026, 10:08 PM UTC.