Alaska earthquakes

M2.1 earthquake 118 km S of Unalaska, Alaska

A magnitude 2.1 earthquake struck 118 km S of Unalaska, Alaska on Tue, Feb 23, 2021, 4:05 PM AKST (01:05 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 46 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
2.1 (ml), micro
Local time
UTC
2021-02-24 01:05:14 UTC
Depth
6.2 km (3.9 mi), shallow
Epicenter
52.821° N, 166.774° 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
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 59 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 2.1135 km S of Unalaska, Alaska · 2040 days ago · 37 km deep · 19 km away
  2. 2.7Fox Islands, Aleutian Islands, Alaska · 2040 days ago · 20 km deep · 15 km away
  3. 3.1133 km S of Unalaska, Alaska · 2040 days ago · 29 km deep · 15 km away
  4. 2.8140 km S of Unalaska, Alaska · 2040 days ago · 10 km deep · 27 km away
  5. 3.279 km SSW of Unalaska, Alaska · 2037 days ago · 10 km deep · 52 km away
  6. 2.167 km ESE of Nikolski, Alaska · 2036 days ago · 16 km deep · 77 km away
  7. 3.746 km ESE of Nikolski, Alaska · 2028 days ago · 44 km deep · 95 km away
  8. 2.4136 km S of Unalaska, Alaska · 2028 days ago · 5 km deep · 19 km away
  9. 2.9102 km SSW of Unalaska, Alaska · 2027 days ago · 35 km deep · 18 km away
  10. 2.1146 km ESE of Nikolski, Alaska · 2024 days ago · 26 km deep · 34 km away
  11. 1.956 km SE of Unalaska, Alaska · 2022 days ago · 25 km deep · 98 km away
  12. 3.148 km S of Unalaska, Alaska · 2022 days ago · 67 km deep · 70 km away
  13. 3.259 km ESE of Nikolski, Alaska · 2020 days ago · 28 km deep · 90 km away
  14. 1.979 km S of Unalaska, Alaska · 2020 days ago · 22 km deep · 39 km away
  15. 1.986 km SSW of Unalaska, Alaska · 2020 days ago · 26 km deep · 41 km away
  16. 1.869 km SE of Unalaska, Alaska · 2020 days ago · 43 km deep · 96 km away
  17. 1.666 km SW of Unalaska, Alaska · 2020 days ago · 13 km deep · 85 km away
  18. 1.574 km S of Unalaska, Alaska · 2018 days ago · 45 km deep · 44 km away
  19. 3.278 km S of Unalaska, Alaska · 2018 days ago · 25 km deep · 40 km away
  20. 1.988 km ENE of Nikolski, Alaska · 2016 days ago · 55 km deep · 66 km away
  21. 1.825 km SSW of Unalaska, Alaska · 2015 days ago · 70 km deep · 93 km away
  22. 3.077 km SE of Unalaska, Alaska · 2014 days ago · 27 km deep · 92 km away
  23. 2.070 km SE of Unalaska, Alaska · 2014 days ago · 15 km deep · 96 km away
  24. 2.266 km SE of Unalaska, Alaska · 2014 days ago · 48 km deep · 97 km away
  25. 2.880 km SE of Unalaska, Alaska · 2014 days ago · 35 km deep · 91 km away
  26. 2.3124 km S of Unalaska, Alaska · 2012 days ago · 5 km deep · 9 km away
  27. 1.8107 km E of Nikolski, Alaska · 2012 days ago · 16 km deep · 34 km away
  28. 1.771 km SSW of Unalaska, Alaska · 2012 days ago · 50 km deep · 50 km away
  29. 1.727 km S of Unalaska, Alaska · 2011 days ago · 89 km deep · 91 km away
  30. 2.938 km SSE of Unalaska, Alaska · 2011 days ago · 80 km deep · 87 km away
  31. 1.6104 km E of Nikolski, Alaska · 2010 days ago · 26 km deep · 37 km away
  32. 2.548 km ESE of Nikolski, Alaska · 2009 days ago · 35 km deep · 95 km away
  33. 2.834 km SSE of Unalaska, Alaska · 2006 days ago · 70 km deep · 91 km away
  34. 2.077 km SSW of Unalaska, Alaska · 2006 days ago · 25 km deep · 41 km away
  35. 1.679 km SE of Unalaska, AK · 2003 days ago · 22 km deep · 99 km away
  36. 3.446 km ESE of Nikolski, Alaska · 2002 days ago · 35 km deep · 100 km away
  37. 1.849 km SW of Unalaska, Alaska · 2001 days ago · 68 km deep · 86 km away
  38. 1.953 km ESE of Nikolski, Alaska · 2000 days ago · 26 km deep · 91 km away
  39. 1.887 km SSW of Unalaska, Alaska · 1999 days ago · 26 km deep · 38 km away
  40. 3.1Fox Islands, Aleutian Islands, Alaska · 1999 days ago · 20 km deep · 93 km away
  41. 2.244 km ESE of Nikolski, Alaska · 1998 days ago · 55 km deep · 99 km away
  42. 1.669 km WSW of Unalaska, Alaska · 1996 days ago · 14 km deep · 96 km away
  43. 1.570 km WSW of Unalaska, Alaska · 1996 days ago · 8 km deep · 99 km away
  44. 2.045 km SE of Unalaska, Alaska · 1995 days ago · 39 km deep · 95 km away
  45. 3.191 km SE of Nikolski, Alaska · 1995 days ago · 12 km deep · 90 km away
  46. 2.9Fox Islands, Aleutian Islands, Alaska · 1995 days ago · 52 km deep · 52 km away
  47. 1.879 km SE of Unalaska, Alaska · 1993 days ago · 16 km deep · 87 km away
  48. 1.969 km E of Nikolski, Alaska · 1993 days ago · 40 km deep · 73 km away
  49. 1.986 km SW of Unalaska, Alaska · 1991 days ago · 26 km deep · 66 km away
  50. 1.769 km S of Unalaska, Alaska · 1990 days ago · 21 km deep · 50 km away
  51. 2.6131 km S of Unalaska, Alaska · 1990 days ago · 4 km deep · 18 km away
  52. 3.0142 km ESE of Nikolski, Alaska · 1989 days ago · 6 km deep · 25 km away
  53. 1.663 km SSW of Unalaska, Alaska · 1989 days ago · 30 km deep · 61 km away
  54. 1.687 km SE of Unalaska, Alaska · 1988 days ago · 68 km deep · 96 km away
  55. 1.582 km SW of Unalaska, Alaska · 1988 days ago · 62 km deep · 62 km away
  56. 1.755 km ESE of Nikolski, Alaska · 1987 days ago · 26 km deep · 93 km away
  57. 2.865 km SE of Nikolski, Alaska · 1986 days ago · 35 km deep · 90 km away
  58. 3.286 km E of Nikolski, Alaska · 1984 days ago · 35 km deep · 55 km away
  59. 1.865 km SE of Unalaska, Alaska · 1981 days ago · 11 km deep · 95 km away

Before

  1. 4.0186 km SSE of Unalaska, Alaska · 2041 days ago · 10 km deep · 90 km away
  2. 3.374 km SSW of Unalaska, Alaska · 2041 days ago · 35 km deep · 45 km away
  3. 1.984 km S of Unalaska, Alaska · 2042 days ago · 5 km deep · 35 km away
  4. 1.584 km SW of Unalaska, Alaska · 2044 days ago · 14 km deep · 59 km away
  5. 2.072 km SE of Unalaska, Alaska · 2045 days ago · 22 km deep · 87 km away
  6. 3.0135 km SSE of Unalaska, Alaska · 2045 days ago · 10 km deep · 87 km away
  7. 2.7Fox Islands, Aleutian Islands, Alaska · 2049 days ago · 35 km deep · 83 km away
  8. 1.885 km E of Nikolski, Alaska · 2052 days ago · 10 km deep · 56 km away
  9. 1.861 km SSE of Unalaska, Alaska · 2053 days ago · 29 km deep · 80 km away
  10. 3.2108 km ESE of Nikolski, Alaska · 2054 days ago · 17 km deep · 60 km away
  11. 1.677 km SW of Unalaska, Alaska · 2054 days ago · 13 km deep · 74 km away
  12. 1.688 km SSW of Unalaska, Alaska · 2055 days ago · 26 km deep · 39 km away
  13. 3.988 km SSW of Unalaska, Alaska · 2056 days ago · 44 km deep · 42 km away
  14. 2.890 km SSW of Unalaska, Alaska · 2056 days ago · 26 km deep · 37 km away
  15. 1.987 km ENE of Nikolski, Alaska · 2057 days ago · 73 km deep · 85 km away
  16. 1.840 km SSW of Unalaska, Alaska · 2058 days ago · 73 km deep · 78 km away
  17. 2.2165 km SSE of Unalaska, Alaska · 2059 days ago · 26 km deep · 71 km away
  18. 1.596 km SSW of Unalaska, Alaska · 2061 days ago · 25 km deep · 39 km away
  19. 2.0134 km S of Unalaska, Alaska · 2062 days ago · 38 km deep · 35 km away
  20. 3.195 km E of Nikolski, Alaska · 2062 days ago · 35 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212iz6mi0. Read Sat, Sep 26, 2026, 5:23 PM UTC.