Alaska earthquakes

M1.9 earthquake 91 km E of Nikolski, Alaska

A magnitude 1.9 earthquake struck 91 km E of Nikolski, Alaska on Mon, Dec 27, 2021, 8:15 PM AKST (05:15 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M3.0 67 km SE of Nikolski, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2021-12-28 05:15:50 UTC
Depth
25.4 km (15.8 mi), shallow
Epicenter
52.992° N, 167.500° 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
14

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. 1.681 km SSW of Unalaska, Alaska · 1705 days ago · 19 km deep · 52 km away
  2. 3.067 km SE of Nikolski, Alaska · 1705 days ago · 26 km deep · 59 km away
  3. 2.878 km S of Unalaska, Alaska · 1705 days ago · 27 km deep · 57 km away
  4. 1.878 km S of Unalaska, Alaska · 1705 days ago · 21 km deep · 59 km away
  5. 2.177 km S of Unalaska, Alaska · 1705 days ago · 26 km deep · 55 km away
  6. 2.784 km S of Unalaska, Alaska · 1705 days ago · 26 km deep · 58 km away
  7. 1.874 km S of Unalaska, Alaska · 1705 days ago · 21 km deep · 60 km away
  8. 3.477 km S of Unalaska, Alaska · 1705 days ago · 35 km deep · 55 km away
  9. 3.377 km S of Unalaska, Alaska · 1705 days ago · 24 km deep · 55 km away
  10. 1.775 km S of Unalaska, Alaska · 1704 days ago · 19 km deep · 61 km away
  11. 4.683 km S of Unalaska, Alaska · 1704 days ago · 39 km deep · 63 km away · felt by 1
  12. 2.081 km S of Unalaska, Alaska · 1704 days ago · 19 km deep · 54 km away
  13. 3.899 km SE of Nikolski, Alaska · 1704 days ago · 35 km deep · 93 km away
  14. 3.576 km S of Unalaska, Alaska · 1704 days ago · 28 km deep · 58 km away
  15. 3.780 km SSW of Unalaska, Alaska · 1704 days ago · 27 km deep · 49 km away
  16. 2.773 km S of Unalaska, Alaska · 1704 days ago · 27 km deep · 57 km away
  17. 4.7Fox Islands, Aleutian Islands, Alaska · 1704 days ago · 44 km deep · 56 km away · felt by 10
  18. 1.977 km S of Unalaska, Alaska · 1704 days ago · 18 km deep · 63 km away
  19. 2.984 km SSW of Unalaska, Alaska · 1704 days ago · 35 km deep · 50 km away
  20. 2.177 km S of Unalaska, Alaska · 1704 days ago · 23 km deep · 58 km away
  21. 2.177 km S of Unalaska, Alaska · 1704 days ago · 15 km deep · 59 km away
  22. 3.382 km S of Unalaska, Alaska · 1703 days ago · 29 km deep · 53 km away
  23. 3.880 km S of Unalaska, Alaska · 1703 days ago · 26 km deep · 60 km away
  24. 2.890 km S of Unalaska, Alaska · 1703 days ago · 29 km deep · 62 km away
  25. 3.778 km SSW of Unalaska, Alaska · 1703 days ago · 30 km deep · 49 km away
  26. 1.8Fox Islands, Aleutian Islands, Alaska · 1703 days ago · 26 km deep · 56 km away
  27. 1.774 km S of Unalaska, Alaska · 1703 days ago · 22 km deep · 60 km away
  28. 2.0124 km S of Unalaska, Alaska · 1703 days ago · 1 km deep · 63 km away
  29. 1.674 km S of Unalaska, Alaska · 1703 days ago · 20 km deep · 57 km away
  30. 1.884 km SE of Nikolski, Alaska · 1703 days ago · 14 km deep · 70 km away
  31. 1.573 km SSW of Unalaska, Alaska · 1703 days ago · 23 km deep · 56 km away
  32. 1.579 km S of Unalaska, Alaska · 1703 days ago · 26 km deep · 53 km away
  33. 1.575 km S of Unalaska, Alaska · 1702 days ago · 21 km deep · 56 km away
  34. 2.084 km SE of Nikolski, Alaska · 1702 days ago · 26 km deep · 85 km away
  35. 1.992 km SE of Nikolski, Alaska · 1702 days ago · 26 km deep · 81 km away
  36. 3.082 km S of Unalaska, Alaska · 1702 days ago · 35 km deep · 60 km away
  37. 1.9100 km SE of Nikolski, Alaska · 1702 days ago · 12 km deep · 95 km away
  38. 1.782 km E of Nikolski, Alaska · 1702 days ago · 37 km deep · 9 km away
  39. 1.780 km S of Unalaska, Alaska · 1702 days ago · 19 km deep · 57 km away
  40. 2.2106 km SE of Nikolski, Alaska · 1702 days ago · 25 km deep · 75 km away
  41. 2.791 km S of Unalaska, Alaska · 1701 days ago · 24 km deep · 62 km away
  42. 2.978 km S of Unalaska, Alaska · 1701 days ago · 31 km deep · 57 km away
  43. 1.776 km S of Unalaska, Alaska · 1701 days ago · 22 km deep · 60 km away
  44. 2.0Fox Islands, Aleutian Islands, Alaska · 1701 days ago · 22 km deep · 58 km away
  45. 1.787 km SSW of Unalaska, Alaska · 1701 days ago · 19 km deep · 41 km away
  46. 1.886 km SSW of Unalaska, Alaska · 1701 days ago · 17 km deep · 40 km away
  47. 3.9105 km SE of Nikolski, Alaska · 1701 days ago · 10 km deep · 66 km away
  48. 2.4102 km SE of Nikolski, Alaska · 1701 days ago · 10 km deep · 96 km away
  49. 1.877 km S of Unalaska, Alaska · 1701 days ago · 23 km deep · 56 km away
  50. 1.878 km SSW of Unalaska, Alaska · 1701 days ago · 27 km deep · 52 km away
  51. 2.177 km S of Unalaska, Alaska · 1701 days ago · 28 km deep · 62 km away
  52. 1.976 km S of Unalaska, Alaska · 1701 days ago · 25 km deep · 58 km away
  53. 1.880 km SSW of Unalaska, Alaska · 1700 days ago · 19 km deep · 51 km away
  54. 1.876 km SSW of Unalaska, Alaska · 1700 days ago · 26 km deep · 52 km away
  55. 2.775 km S of Unalaska, Alaska · 1700 days ago · 35 km deep · 59 km away
  56. 3.9112 km ESE of Nikolski, Alaska · 1700 days ago · 32 km deep · 66 km away
  57. 2.3144 km ESE of Nikolski, Alaska · 1700 days ago · 39 km deep · 73 km away
  58. 2.686 km S of Unalaska, Alaska · 1700 days ago · 35 km deep · 60 km away
  59. 1.774 km S of Unalaska, Alaska · 1700 days ago · 22 km deep · 57 km away
  60. 2.193 km SE of Nikolski, Alaska · 1700 days ago · 25 km deep · 69 km away

The first 60 of 200.

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gmrm4e3. Read Thu, Sep 24, 2026, 4:20 AM UTC.