Alaska earthquakes

M2.1 earthquake 58 km SE of Unalaska, Alaska

A magnitude 2.1 earthquake struck 58 km SE of Unalaska, Alaska on Tue, Dec 21, 2021, 12:50 AM AKST (09:50 UTC), 33 km (20 mi) below the surface.

A larger quake followed: M6.2 71 km S of Unalaska, 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
2.1 (ml), micro
Local time
UTC
2021-12-21 09:50:23 UTC
Depth
32.7 km (20.3 mi), shallow
Epicenter
53.521° N, 165.886° 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
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.549 km SSE of Unalaska, Alaska · 1711 days ago · 42 km deep · 23 km away
  2. 2.0Fox Islands, Aleutian Islands, Alaska · 1711 days ago · 6 km deep · 60 km away
  3. 1.771 km SSE of Akutan, Alaska · 1709 days ago · 36 km deep · 24 km away
  4. 2.162 km SSW of Unalaska, Alaska · 1705 days ago · 90 km deep · 73 km away
  5. 1.9Fox Islands, Aleutian Islands, Alaska · 1705 days ago · 27 km deep · 25 km away
  6. 6.271 km S of Unalaska, Alaska · 1705 days ago · 29 km deep · 61 km away · felt by 23 · tsunami flag
  7. 4.675 km SSW of Unalaska, Alaska · 1705 days ago · 35 km deep · 70 km away
  8. 3.480 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 69 km away · felt by 1
  9. 2.974 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 65 km away
  10. 3.0Fox Islands, Aleutian Islands, Alaska · 1705 days ago · 35 km deep · 67 km away
  11. 2.068 km S of Unalaska, Alaska · 1705 days ago · 16 km deep · 52 km away
  12. 1.853 km SSW of Unalaska, Alaska · 1705 days ago · 68 km deep · 65 km away
  13. 3.978 km S of Unalaska, Alaska · 1705 days ago · 28 km deep · 68 km away
  14. 2.671 km SSW of Unalaska, Alaska · 1705 days ago · 35 km deep · 68 km away
  15. 2.066 km S of Unalaska, Alaska · 1705 days ago · 20 km deep · 53 km away
  16. 1.875 km S of Unalaska, Alaska · 1705 days ago · 20 km deep · 61 km away
  17. 2.778 km S of Unalaska, Alaska · 1705 days ago · 34 km deep · 65 km away
  18. 1.870 km SSW of Unalaska, Alaska · 1705 days ago · 44 km deep · 66 km away
  19. 2.077 km S of Unalaska, Alaska · 1705 days ago · 23 km deep · 65 km away
  20. 3.4Fox Islands, Aleutian Islands, Alaska · 1705 days ago · 32 km deep · 63 km away
  21. 2.677 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 65 km away
  22. 1.777 km SSW of Unalaska, Alaska · 1705 days ago · 20 km deep · 71 km away
  23. 1.873 km S of Unalaska, Alaska · 1705 days ago · 23 km deep · 66 km away
  24. 1.764 km SSW of Unalaska, Alaska · 1705 days ago · 55 km deep · 71 km away
  25. 1.874 km S of Unalaska, Alaska · 1705 days ago · 26 km deep · 63 km away
  26. 1.878 km S of Unalaska, Alaska · 1705 days ago · 21 km deep · 67 km away
  27. 3.079 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 66 km away
  28. 2.587 km S of Unalaska, Alaska · 1705 days ago · 26 km deep · 75 km away
  29. 1.977 km S of Unalaska, Alaska · 1705 days ago · 16 km deep · 65 km away
  30. 1.881 km SSW of Unalaska, Alaska · 1705 days ago · 23 km deep · 72 km away
  31. 2.774 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 64 km away
  32. 1.874 km S of Unalaska, Alaska · 1705 days ago · 16 km deep · 64 km away
  33. 1.866 km S of Unalaska, Alaska · 1705 days ago · 5 km deep · 50 km away
  34. 2.279 km SSW of Unalaska, Alaska · 1705 days ago · 34 km deep · 71 km away
  35. 2.072 km SSW of Unalaska, Alaska · 1705 days ago · 41 km deep · 65 km away
  36. 1.865 km SSW of Unalaska, Alaska · 1705 days ago · 49 km deep · 66 km away
  37. 1.775 km S of Unalaska, Alaska · 1705 days ago · 20 km deep · 65 km away
  38. 1.669 km SSW of Unalaska, Alaska · 1705 days ago · 24 km deep · 67 km away
  39. 2.580 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 68 km away
  40. 1.975 km SSW of Unalaska, Alaska · 1705 days ago · 20 km deep · 68 km away
  41. 2.874 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 66 km away
  42. 2.681 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 65 km away
  43. 2.779 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 69 km away
  44. 2.579 km S of Unalaska, Alaska · 1704 days ago · 35 km deep · 67 km away
  45. 2.577 km S of Unalaska, Alaska · 1704 days ago · 30 km deep · 66 km away
  46. 1.574 km S of Unalaska, Alaska · 1704 days ago · 26 km deep · 66 km away
  47. 1.665 km SSE of Unalaska, Alaska · 1704 days ago · 33 km deep · 29 km away
  48. 2.974 km S of Unalaska, Alaska · 1704 days ago · 35 km deep · 64 km away
  49. 1.779 km S of Unalaska, Alaska · 1704 days ago · 20 km deep · 70 km away
  50. 2.879 km S of Unalaska, Alaska · 1704 days ago · 35 km deep · 67 km away
  51. 3.097 km SSW of Unalaska, Alaska · 1704 days ago · 35 km deep · 94 km away
  52. 1.573 km S of Unalaska, Alaska · 1704 days ago · 21 km deep · 65 km away
  53. 1.875 km S of Unalaska, Alaska · 1704 days ago · 36 km deep · 65 km away
  54. 3.075 km S of Unalaska, Alaska · 1704 days ago · 35 km deep · 66 km away
  55. 1.874 km S of Unalaska, Alaska · 1704 days ago · 38 km deep · 65 km away
  56. 1.679 km S of Unalaska, Alaska · 1704 days ago · 21 km deep · 68 km away
  57. 2.575 km S of Unalaska, Alaska · 1704 days ago · 29 km deep · 66 km away
  58. 1.681 km SSW of Unalaska, Alaska · 1704 days ago · 19 km deep · 72 km away
  59. 2.878 km S of Unalaska, Alaska · 1704 days ago · 27 km deep · 67 km away
  60. 1.878 km S of Unalaska, Alaska · 1704 days ago · 21 km deep · 65 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gb9fvcw. Read Wed, Sep 23, 2026, 3:31 AM UTC.