Alaska earthquakes

M2.2 earthquake 85 km SSW of Unalaska, Alaska

A magnitude 2.2 earthquake struck 85 km SSW of Unalaska, Alaska on Fri, Dec 31, 2021, 8:21 PM AKST (05:21 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M6.2 71 km S of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2022-01-01 05:21:07 UTC
Depth
16.8 km (10.4 mi), shallow
Epicenter
53.145° N, 166.942° 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

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 201 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 1.755 km SW of Unalaska, Alaska · 1733 days ago · 13 km deep · 46 km away
  2. 2.966 km SSW of Unalaska, Alaska · 1733 days ago · 4 km deep · 24 km away
  3. 1.875 km S of Unalaska, Alaska · 1733 days ago · 26 km deep · 37 km away
  4. 1.949 km ESE of Nikolski, Alaska · 1733 days ago · 26 km deep · 89 km away
  5. 1.642 km SW of Unalaska, Alaska · 1733 days ago · 15 km deep · 55 km away
  6. 1.9Fox Islands, Aleutian Islands, Alaska · 1733 days ago · 51 km deep · 37 km away
  7. 1.656 km SW of Unalaska, Alaska · 1732 days ago · 17 km deep · 49 km away
  8. 4.261 km SE of Unalaska, Alaska · 1732 days ago · 44 km deep · 80 km away · felt by 5
  9. 3.729 km E of Unalaska, Alaska · 1732 days ago · 37 km deep · 99 km away
  10. 1.964 km S of Akutan, Alaska · 1732 days ago · 41 km deep · 99 km away
  11. 3.583 km S of Unalaska, Alaska · 1731 days ago · 29 km deep · 14 km away
  12. 1.938 km S of Unalaska, Alaska · 1731 days ago · 71 km deep · 53 km away
  13. 2.169 km SSW of Unalaska, Alaska · 1730 days ago · 21 km deep · 17 km away
  14. 3.287 km S of Unalaska, Alaska · 1730 days ago · 35 km deep · 13 km away
  15. 3.5Fox Islands, Aleutian Islands, Alaska · 1730 days ago · 35 km deep · 10 km away
  16. 3.391 km E of Nikolski, Alaska · 1729 days ago · 35 km deep · 40 km away
  17. 3.658 km ESE of Unalaska, Alaska · 1729 days ago · 49 km deep · 91 km away
  18. 2.075 km SSW of Unalaska, Alaska · 1729 days ago · 38 km deep · 13 km away
  19. 1.927 km SSW of Unalaska, Alaska · 1729 days ago · 84 km deep · 58 km away
  20. 1.931 km WSW of Unalaska, Alaska · 1729 days ago · 83 km deep · 68 km away
  21. 3.072 km S of Unalaska, Alaska · 1727 days ago · 35 km deep · 30 km away
  22. 2.491 km ENE of Nikolski, Alaska · 1726 days ago · 66 km deep · 42 km away
  23. 2.188 km S of Unalaska, Alaska · 1726 days ago · 26 km deep · 18 km away
  24. 1.774 km WSW of Unalaska, Alaska · 1725 days ago · 13 km deep · 58 km away
  25. 1.846 km WSW of Unalaska, Alaska · 1725 days ago · 11 km deep · 59 km away
  26. 3.041 km WSW of Unalaska, Alaska · 1725 days ago · 83 km deep · 61 km away
  27. 3.057 km SW of Unalaska, Alaska · 1724 days ago · 35 km deep · 35 km away
  28. 4.058 km SSE of Unalaska, Alaska · 1724 days ago · 43 km deep · 63 km away
  29. 2.678 km S of Unalaska, Alaska · 1724 days ago · 33 km deep · 15 km away
  30. 4.653 km ESE of Nikolski, Alaska · 1724 days ago · 26 km deep · 88 km away
  31. 2.398 km SE of Nikolski, Alaska · 1724 days ago · 24 km deep · 99 km away
  32. 2.795 km SE of Nikolski, Alaska · 1724 days ago · 11 km deep · 95 km away
  33. 4.386 km SE of Nikolski, Alaska · 1724 days ago · 10 km deep · 98 km away
  34. 2.894 km SE of Nikolski, Alaska · 1724 days ago · 13 km deep · 100 km away
  35. 4.4106 km SE of Nikolski, Alaska · 1724 days ago · 10 km deep · 98 km away
  36. 4.2108 km SE of Nikolski, Alaska · 1724 days ago · 10 km deep · 99 km away
  37. 2.198 km SE of Nikolski, Alaska · 1724 days ago · 35 km deep · 96 km away
  38. 4.892 km SE of Nikolski, Alaska · 1724 days ago · 10 km deep · 99 km away
  39. 3.196 km SE of Nikolski, Alaska · 1724 days ago · 10 km deep · 97 km away
  40. 2.9117 km SE of Nikolski, Alaska · 1724 days ago · 10 km deep · 99 km away
  41. 2.886 km SE of Nikolski, Alaska · 1723 days ago · 12 km deep · 98 km away
  42. 3.099 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 99 km away
  43. 2.8106 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 98 km away
  44. 1.739 km SSW of Unalaska, Alaska · 1723 days ago · 74 km deep · 46 km away
  45. 2.2104 km ESE of Nikolski, Alaska · 1723 days ago · 14 km deep · 87 km away
  46. 4.0102 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 95 km away
  47. 3.2102 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 94 km away
  48. 2.119 km SE of Unalaska, Alaska · 1723 days ago · 77 km deep · 79 km away
  49. 2.094 km SE of Nikolski, Alaska · 1723 days ago · 7 km deep · 98 km away
  50. 2.598 km SE of Nikolski, Alaska · 1723 days ago · 12 km deep · 96 km away
  51. 2.288 km SE of Nikolski, Alaska · 1723 days ago · 8 km deep · 97 km away
  52. 2.1101 km ESE of Nikolski, Alaska · 1723 days ago · 11 km deep · 85 km away
  53. 3.7131 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 97 km away
  54. 4.7Fox Islands, Aleutian Islands, Alaska · 1723 days ago · 6 km deep · 91 km away
  55. 3.1115 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 94 km away
  56. 3.6113 km ESE of Nikolski, Alaska · 1723 days ago · 10 km deep · 85 km away
  57. 2.894 km SE of Nikolski, Alaska · 1723 days ago · 10 km deep · 99 km away
  58. 1.9117 km ESE of Nikolski, Alaska · 1723 days ago · 26 km deep · 84 km away
  59. 2.5115 km ESE of Nikolski, Alaska · 1723 days ago · 10 km deep · 87 km away
  60. 2.1119 km ESE of Nikolski, Alaska · 1723 days ago · 25 km deep · 89 km away

The first 60 of at least 201.

Before

  1. 1.9113 km S of Unalaska, Alaska · 1737 days ago · 3 km deep · 31 km away
  2. 1.991 km E of Nikolski, Alaska · 1738 days ago · 25 km deep · 41 km away
  3. 1.774 km SE of Unalaska, Alaska · 1738 days ago · 13 km deep · 91 km away
  4. 2.532 km SSW of Unalaska, Alaska · 1740 days ago · 78 km deep · 54 km away
  5. 2.1109 km E of Nikolski, Alaska · 1741 days ago · 17 km deep · 31 km away
  6. 2.4138 km S of Unalaska, Alaska · 1741 days ago · 10 km deep · 71 km away
  7. 1.783 km WSW of Unalaska, Alaska · 1743 days ago · 7 km deep · 64 km away
  8. 2.363 km ESE of Nikolski, Alaska · 1744 days ago · 22 km deep · 83 km away
  9. 2.059 km ESE of Nikolski, Alaska · 1744 days ago · 22 km deep · 86 km away
  10. 4.353 km ESE of Nikolski, Alaska · 1745 days ago · 43 km deep · 95 km away
  11. 4.054 km ESE of Nikolski, Alaska · 1745 days ago · 35 km deep · 95 km away · felt by 1
  12. 2.158 km SE of Unalaska, Alaska · 1745 days ago · 33 km deep · 82 km away
  13. 2.240 km SE of Unalaska, Alaska · 1745 days ago · 63 km deep · 76 km away
  14. 1.845 km ESE of Unalaska, Alaska · 1746 days ago · 66 km deep · 94 km away
  15. 1.748 km SSW of Unalaska, Alaska · 1746 days ago · 65 km deep · 39 km away
  16. 1.641 km ESE of Unalaska, Alaska · 1746 days ago · 28 km deep · 96 km away
  17. 2.0south of the Aleutian Islands · 1747 days ago · 20 km deep · 89 km away
  18. 1.874 km E of Nikolski, Alaska · 1748 days ago · 40 km deep · 57 km away
  19. 2.361 km ESE of Nikolski, Alaska · 1748 days ago · 19 km deep · 81 km away
  20. 3.2116 km S of Unalaska, Alaska · 1750 days ago · 2 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0221qmwp8. Read Thu, Oct 1, 2026, 4:48 AM UTC.