Alaska earthquakes

M2.0 earthquake 43 km SSW of Atka, Alaska

A magnitude 2.0 earthquake struck 43 km SSW of Atka, Alaska on Wed, Mar 17, 2021, 1:18 PM HADT (22:18 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M4.2 76 km ESE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-03-17 22:18:06 UTC
Depth
46.8 km (29.1 mi), shallow
Epicenter
51.820° N, 174.364° 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
21

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 1.943 km ENE of Atka, Alaska · 2022 days ago · 7 km deep · 78 km away
  2. 1.872 km SW of Atka, Alaska · 2021 days ago · 25 km deep · 39 km away
  3. 2.6100 km ESE of Adak, Alaska · 2021 days ago · 28 km deep · 69 km away
  4. 2.5104 km ESE of Adak, Alaska · 2021 days ago · 35 km deep · 74 km away
  5. 3.192 km SE of Adak, Alaska · 2021 days ago · 32 km deep · 95 km away
  6. 2.210 km NNW of Atka, Alaska · 2020 days ago · 114 km deep · 51 km away
  7. 2.6121 km SSE of Atka, Alaska · 2020 days ago · 35 km deep · 87 km away
  8. 2.990 km SE of Atka, Alaska · 2020 days ago · 35 km deep · 80 km away
  9. 2.214 km SSW of Atka, Alaska · 2019 days ago · 134 km deep · 29 km away
  10. 1.853 km SSW of Atka, Alaska · 2019 days ago · 8 km deep · 13 km away
  11. 2.982 km SW of Atka, Alaska · 2019 days ago · 35 km deep · 53 km away
  12. 2.043 km SW of Atka, Alaska · 2018 days ago · 96 km deep · 23 km away
  13. 1.958 km E of Adak, Alaska · 2018 days ago · 79 km deep · 98 km away
  14. 2.7100 km SSE of Atka, Alaska · 2018 days ago · 35 km deep · 65 km away
  15. 2.253 km E of Atka, Alaska · 2016 days ago · 82 km deep · 74 km away
  16. 2.3101 km SE of Adak, Alaska · 2016 days ago · 4 km deep · 98 km away
  17. 1.540 km E of Atka, Alaska · 2015 days ago · 13 km deep · 68 km away
  18. 1.629 km SE of Atka, Alaska · 2015 days ago · 11 km deep · 37 km away
  19. 2.935 km SSW of Atka, Alaska · 2014 days ago · 111 km deep · 15 km away
  20. 1.983 km S of Atka, Alaska · 2013 days ago · 1 km deep · 42 km away
  21. 2.885 km WSW of Atka, Alaska · 2013 days ago · 63 km deep · 61 km away
  22. 2.6102 km SW of Atka, Alaska · 2013 days ago · 25 km deep · 67 km away
  23. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2010 days ago · 15 km deep · 68 km away
  24. 3.7131 km SSW of Atka, Alaska · 2010 days ago · 24 km deep · 89 km away
  25. 2.6127 km SSW of Atka, Alaska · 2010 days ago · 27 km deep · 85 km away
  26. 2.9Andreanof Islands, Aleutian Islands, Alaska · 2010 days ago · 16 km deep · 88 km away
  27. 2.032 km SE of Atka, Alaska · 2009 days ago · 66 km deep · 36 km away
  28. 1.980 km ESE of Adak, Alaska · 2009 days ago · 46 km deep · 92 km away
  29. 1.875 km SW of Atka, Alaska · 2009 days ago · 42 km deep · 39 km away
  30. 1.9123 km SSW of Atka, Alaska · 2009 days ago · 16 km deep · 82 km away
  31. 1.975 km E of Adak, Alaska · 2007 days ago · 78 km deep · 83 km away
  32. 3.392 km SW of Atka, Alaska · 2006 days ago · 35 km deep · 59 km away
  33. 2.980 km S of Atka, Alaska · 2006 days ago · 34 km deep · 44 km away
  34. 3.752 km WSW of Atka, Alaska · 2005 days ago · 10 km deep · 41 km away
  35. 2.866 km SSE of Atka, Alaska · 2003 days ago · 27 km deep · 41 km away
  36. 2.570 km ESE of Adak, Alaska · 2002 days ago · 23 km deep · 90 km away
  37. 4.276 km ESE of Atka, Alaska · 2002 days ago · 189 km deep · 80 km away
  38. 2.642 km S of Atka, Alaska · 2002 days ago · 77 km deep · 8 km away
  39. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2001 days ago · 15 km deep · 94 km away
  40. 3.974 km E of Atka, Alaska · 2001 days ago · 6 km deep · 97 km away
  41. 3.174 km E of Atka, Alaska · 2001 days ago · 10 km deep · 100 km away
  42. 1.846 km NE of Atka, Alaska · 2001 days ago · 2 km deep · 85 km away
  43. 2.060 km E of Atka, Alaska · 2001 days ago · 3 km deep · 88 km away
  44. 3.267 km E of Atka, Alaska · 2001 days ago · 12 km deep · 93 km away
  45. 2.59 km SSE of Atka, Alaska · 2001 days ago · 187 km deep · 35 km away
  46. 3.687 km SW of Atka, Alaska · 2001 days ago · 35 km deep · 53 km away
  47. 3.9Andreanof Islands, Aleutian Islands, Alaska · 2001 days ago · 221 km deep · 85 km away
  48. 1.736 km W of Atka, Alaska · 2001 days ago · 25 km deep · 47 km away
  49. 1.979 km ESE of Adak, Alaska · 2001 days ago · 32 km deep · 82 km away
  50. 2.163 km ESE of Atka, Alaska · 2001 days ago · 24 km deep · 67 km away
  51. 2.7121 km S of Atka, Alaska · 2001 days ago · 10 km deep · 80 km away
  52. 2.6115 km S of Atka, Alaska · 2001 days ago · 10 km deep · 74 km away
  53. 3.467 km ENE of Atka, Alaska · 1999 days ago · 10 km deep · 96 km away
  54. 2.695 km ESE of Adak, Alaska · 1998 days ago · 35 km deep · 73 km away
  55. 3.629 km NE of Atka, AK · 1996 days ago · 174 km deep · 69 km away
  56. 3.075 km WSW of Atka, Alaska · 1995 days ago · 233 km deep · 64 km away
  57. 2.086 km S of Atka, Alaska · 1994 days ago · 26 km deep · 45 km away
  58. 2.047 km ESE of Atka, Alaska · 1993 days ago · 65 km deep · 64 km away
  59. 3.149 km SW of Atka, Alaska · 1993 days ago · 10 km deep · 30 km away
  60. 1.654 km E of Atka, Alaska · 1993 days ago · 13 km deep · 77 km away

The first 60 of 108.

Before

  1. 4.737 km SSW of Atka, Alaska · 2023 days ago · 65 km deep · 6 km away
  2. 2.427 km E of Atka, Alaska · 2023 days ago · 124 km deep · 55 km away
  3. 1.689 km SW of Atka, Alaska · 2023 days ago · 26 km deep · 58 km away
  4. 2.087 km ESE of Adak, Alaska · 2024 days ago · 36 km deep · 80 km away
  5. 2.1100 km ESE of Adak, Alaska · 2024 days ago · 26 km deep · 72 km away
  6. 1.983 km SW of Atka, Alaska · 2024 days ago · 26 km deep · 45 km away
  7. 2.792 km SW of Atka, Alaska · 2025 days ago · 34 km deep · 62 km away
  8. 4.033 km S of Atka, Alaska · 2025 days ago · 23 km deep · 14 km away
  9. 2.183 km SSE of Atka, Alaska · 2026 days ago · 13 km deep · 61 km away
  10. 1.938 km SSW of Atka, Alaska · 2026 days ago · 57 km deep · 7 km away
  11. 2.783 km S of Atka, Alaska · 2027 days ago · 69 km deep · 42 km away
  12. 2.712 km WNW of Atka, Alaska · 2028 days ago · 186 km deep · 47 km away
  13. 2.223 km ESE of Atka, Alaska · 2029 days ago · 104 km deep · 47 km away
  14. 1.859 km SSW of Atka, Alaska · 2029 days ago · 15 km deep · 21 km away
  15. 3.181 km SSW of Atka, Alaska · 2030 days ago · 35 km deep · 39 km away
  16. 2.853 km SSE of Atka, Alaska · 2031 days ago · 159 km deep · 25 km away
  17. 2.430 km ENE of Atka, Alaska · 2032 days ago · 126 km deep · 65 km away
  18. 2.958 km ESE of Atka, Alaska · 2033 days ago · 10 km deep · 64 km away
  19. 3.142 km SSE of Atka, Alaska · 2033 days ago · 27 km deep · 25 km away
  20. 2.425 km S of Atka, Alaska · 2033 days ago · 97 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213i21s93. Read Wed, Sep 30, 2026, 7:59 AM UTC.