Alaska earthquakes

M1.9 earthquake 134 km S of Unalaska, Alaska

A magnitude 1.9 earthquake struck 134 km S of Unalaska, Alaska on Wed, Dec 15, 2021, 4:18 PM AKST (01:18 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.5 137 km ESE 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
1.9 (ml), micro
Local time
UTC
2021-12-16 01:18:33 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.671° N, 166.684° 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
15

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. 2.5137 km ESE of Nikolski, Alaska · 1711 days ago · 10 km deep · 15 km away
  2. 2.192 km SE of Nikolski, Alaska · 1711 days ago · 11 km deep · 74 km away
  3. 2.076 km ESE of Nikolski, Alaska · 1710 days ago · 71 km deep · 83 km away
  4. 3.4115 km SE of Nikolski, Alaska · 1710 days ago · 10 km deep · 81 km away
  5. 2.7115 km SE of Nikolski, Alaska · 1710 days ago · 10 km deep · 77 km away
  6. 2.986 km SE of Nikolski, Alaska · 1710 days ago · 10 km deep · 96 km away
  7. 2.9102 km SE of Nikolski, Alaska · 1709 days ago · 10 km deep · 91 km away
  8. 2.8106 km SE of Nikolski, Alaska · 1709 days ago · 7 km deep · 78 km away
  9. 3.295 km SE of Nikolski, Alaska · 1709 days ago · 8 km deep · 85 km away
  10. 2.683 km SW of Unalaska, Alaska · 1709 days ago · 79 km deep · 87 km away
  11. 3.087 km E of Nikolski, Alaska · 1708 days ago · 35 km deep · 63 km away
  12. 2.162 km SSW of Unalaska, Alaska · 1707 days ago · 90 km deep · 80 km away
  13. 6.271 km S of Unalaska, Alaska · 1706 days ago · 29 km deep · 63 km away · felt by 23 · tsunami flag
  14. 4.675 km SSW of Unalaska, Alaska · 1706 days ago · 35 km deep · 62 km away
  15. 3.480 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 54 km away · felt by 1
  16. 2.974 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 60 km away
  17. 3.0Fox Islands, Aleutian Islands, Alaska · 1706 days ago · 35 km deep · 63 km away
  18. 2.068 km S of Unalaska, Alaska · 1706 days ago · 16 km deep · 66 km away
  19. 1.853 km SSW of Unalaska, Alaska · 1706 days ago · 68 km deep · 86 km away
  20. 3.978 km S of Unalaska, Alaska · 1706 days ago · 28 km deep · 57 km away
  21. 2.671 km SSW of Unalaska, Alaska · 1706 days ago · 35 km deep · 65 km away
  22. 2.066 km S of Unalaska, Alaska · 1706 days ago · 20 km deep · 68 km away
  23. 1.875 km S of Unalaska, Alaska · 1706 days ago · 20 km deep · 59 km away
  24. 2.778 km S of Unalaska, Alaska · 1706 days ago · 34 km deep · 56 km away
  25. 1.870 km SSW of Unalaska, Alaska · 1706 days ago · 44 km deep · 65 km away
  26. 2.077 km S of Unalaska, Alaska · 1706 days ago · 23 km deep · 57 km away
  27. 3.4Fox Islands, Aleutian Islands, Alaska · 1706 days ago · 32 km deep · 59 km away
  28. 2.677 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 57 km away
  29. 1.777 km SSW of Unalaska, Alaska · 1706 days ago · 20 km deep · 59 km away
  30. 1.873 km S of Unalaska, Alaska · 1706 days ago · 23 km deep · 62 km away
  31. 1.764 km SSW of Unalaska, Alaska · 1706 days ago · 55 km deep · 77 km away
  32. 1.874 km S of Unalaska, Alaska · 1706 days ago · 26 km deep · 60 km away
  33. 1.878 km S of Unalaska, Alaska · 1706 days ago · 21 km deep · 56 km away
  34. 3.079 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 56 km away
  35. 2.587 km S of Unalaska, Alaska · 1706 days ago · 26 km deep · 48 km away
  36. 1.977 km S of Unalaska, Alaska · 1706 days ago · 16 km deep · 57 km away
  37. 1.881 km SSW of Unalaska, Alaska · 1706 days ago · 23 km deep · 55 km away
  38. 2.774 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 60 km away
  39. 1.874 km S of Unalaska, Alaska · 1706 days ago · 16 km deep · 60 km away
  40. 1.866 km S of Unalaska, Alaska · 1706 days ago · 5 km deep · 68 km away
  41. 2.279 km SSW of Unalaska, Alaska · 1706 days ago · 34 km deep · 56 km away
  42. 2.072 km SSW of Unalaska, Alaska · 1706 days ago · 41 km deep · 63 km away
  43. 1.865 km SSW of Unalaska, Alaska · 1706 days ago · 49 km deep · 72 km away
  44. 1.775 km S of Unalaska, Alaska · 1706 days ago · 20 km deep · 59 km away
  45. 1.669 km SSW of Unalaska, Alaska · 1706 days ago · 24 km deep · 67 km away
  46. 2.580 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 55 km away
  47. 1.975 km SSW of Unalaska, Alaska · 1706 days ago · 20 km deep · 60 km away
  48. 3.1113 km SE of Nikolski, Alaska · 1706 days ago · 10 km deep · 73 km away
  49. 2.874 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 61 km away
  50. 2.681 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 53 km away
  51. 2.779 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 55 km away
  52. 2.579 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 55 km away
  53. 2.577 km S of Unalaska, Alaska · 1706 days ago · 30 km deep · 57 km away
  54. 1.574 km S of Unalaska, Alaska · 1706 days ago · 26 km deep · 60 km away
  55. 1.665 km SSE of Unalaska, Alaska · 1706 days ago · 33 km deep · 80 km away
  56. 2.974 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 61 km away
  57. 1.779 km S of Unalaska, Alaska · 1706 days ago · 20 km deep · 57 km away
  58. 2.879 km S of Unalaska, Alaska · 1706 days ago · 35 km deep · 55 km away
  59. 3.097 km SSW of Unalaska, Alaska · 1706 days ago · 35 km deep · 51 km away
  60. 1.573 km S of Unalaska, Alaska · 1706 days ago · 21 km deep · 62 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g2usvhv. Read Thu, Sep 24, 2026, 9:44 AM UTC.