Alaska earthquakes

M2.0 earthquake 124 km S of Atka, Alaska

A magnitude 2.0 earthquake struck 124 km S of Atka, Alaska on Sat, Apr 17, 2021, 11:23 AM HADT (20:23 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M5.1 75 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-04-17 20:23:12 UTC
Depth
17.7 km (11.0 mi), shallow
Epicenter
51.083° N, 174.347° 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
18

Nearby

Within 100 km, magnitude 1.5 and up: 44 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 2.933 km S of Atka, Alaska · 1989 days ago · 3 km deep · 90 km away
  2. 2.6102 km ESE of Adak, Alaska · 1989 days ago · 35 km deep · 80 km away
  3. 1.9121 km SSW of Atka, Alaska · 1989 days ago · 8 km deep · 47 km away
  4. 2.5176 km SSE of Adak, Alaska · 1987 days ago · 10 km deep · 91 km away
  5. 1.683 km SW of Atka, Alaska · 1987 days ago · 26 km deep · 93 km away
  6. 3.7106 km ESE of Adak, Alaska · 1986 days ago · 35 km deep · 76 km away
  7. 1.766 km SW of Atka, Alaska · 1985 days ago · 63 km deep · 92 km away
  8. 3.893 km ESE of Adak, Alaska · 1984 days ago · 50 km deep · 94 km away
  9. 1.771 km SW of Atka, Alaska · 1984 days ago · 38 km deep · 95 km away
  10. 1.978 km SE of Atka, Alaska · 1983 days ago · 12 km deep · 98 km away
  11. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1983 days ago · 35 km deep · 79 km away
  12. 1.943 km SSW of Atka, Alaska · 1981 days ago · 44 km deep · 82 km away
  13. 1.8119 km SSW of Atka, Alaska · 1979 days ago · 7 km deep · 51 km away
  14. 2.194 km SE of Atka, Alaska · 1979 days ago · 18 km deep · 91 km away
  15. 2.363 km S of Atka, Alaska · 1979 days ago · 21 km deep · 61 km away
  16. 3.7126 km SSE of Atka, Alaska · 1977 days ago · 38 km deep · 64 km away
  17. 3.345 km SSE of Atka, Alaska · 1976 days ago · 56 km deep · 91 km away
  18. 3.6100 km SW of Atka, Alaska · 1974 days ago · 35 km deep · 79 km away
  19. 1.599 km SW of Atka, Alaska · 1966 days ago · 26 km deep · 77 km away
  20. 3.199 km ESE of Adak, Alaska · 1965 days ago · 35 km deep · 85 km away
  21. 2.684 km SSE of Atka, Alaska · 1965 days ago · 35 km deep · 74 km away
  22. 3.0177 km SSE of Atka, Alaska · 1965 days ago · 22 km deep · 93 km away
  23. 2.955 km SW of Atka, Alaska · 1964 days ago · 51 km deep · 87 km away
  24. 2.579 km WSW of Atka, Alaska · 1963 days ago · 57 km deep · 99 km away
  25. 2.1140 km SSE of Atka, Alaska · 1960 days ago · 38 km deep · 61 km away
  26. 3.955 km SSE of Atka, Alaska · 1957 days ago · 35 km deep · 79 km away
  27. 4.295 km SE of Atka, Alaska · 1956 days ago · 16 km deep · 90 km away
  28. 4.281 km SE of Atka, Alaska · 1956 days ago · 41 km deep · 98 km away
  29. 5.175 km SE of Atka, Alaska · 1956 days ago · 21 km deep · 99 km away
  30. 3.879 km SE of Atka, Alaska · 1956 days ago · 45 km deep · 93 km away
  31. 3.6123 km SSE of Atka, Alaska · 1956 days ago · 39 km deep · 79 km away
  32. 4.198 km SE of Atka, Alaska · 1956 days ago · 45 km deep · 86 km away
  33. 4.099 km SE of Atka, Alaska · 1956 days ago · 35 km deep · 90 km away
  34. 3.7174 km SE of Adak, Alaska · 1954 days ago · 10 km deep · 67 km away
  35. 2.042 km SW of Atka, Alaska · 1947 days ago · 55 km deep · 96 km away
  36. 2.4118 km SSE of Atka, Alaska · 1947 days ago · 37 km deep · 35 km away
  37. 3.3107 km SSE of Atka, Alaska · 1944 days ago · 33 km deep · 76 km away
  38. 2.6163 km S of Atka, Alaska · 1942 days ago · 27 km deep · 40 km away
  39. 2.5159 km SSE of Atka, Alaska · 1941 days ago · 10 km deep · 94 km away
  40. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1937 days ago · 35 km deep · 25 km away
  41. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1936 days ago · 35 km deep · 87 km away
  42. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1935 days ago · 35 km deep · 83 km away
  43. 4.189 km SSE of Atka, Alaska · 1935 days ago · 30 km deep · 75 km away
  44. 2.193 km SW of Atka, Alaska · 1931 days ago · 24 km deep · 66 km away

Before

  1. 1.978 km SSE of Atka, Alaska · 1992 days ago · 17 km deep · 70 km away
  2. 3.149 km SW of Atka, Alaska · 1992 days ago · 10 km deep · 97 km away
  3. 2.086 km S of Atka, Alaska · 1993 days ago · 26 km deep · 38 km away
  4. 2.695 km ESE of Adak, Alaska · 1997 days ago · 35 km deep · 88 km away
  5. 2.6115 km S of Atka, Alaska · 2000 days ago · 10 km deep · 10 km away
  6. 2.7121 km S of Atka, Alaska · 2000 days ago · 10 km deep · 4 km away
  7. 2.0162 km SE of Adak, Alaska · 2000 days ago · 20 km deep · 71 km away
  8. 3.687 km SW of Atka, Alaska · 2000 days ago · 35 km deep · 77 km away
  9. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2001 days ago · 15 km deep · 36 km away
  10. 2.642 km S of Atka, Alaska · 2001 days ago · 77 km deep · 82 km away
  11. 2.8143 km S of Atka, Alaska · 2001 days ago · 10 km deep · 37 km away
  12. 2.7204 km S of Atka, Alaska · 2002 days ago · 10 km deep · 80 km away
  13. 2.866 km SSE of Atka, Alaska · 2002 days ago · 27 km deep · 71 km away
  14. 2.980 km S of Atka, Alaska · 2005 days ago · 34 km deep · 48 km away
  15. 3.392 km SW of Atka, Alaska · 2005 days ago · 35 km deep · 81 km away
  16. 1.9123 km SSW of Atka, Alaska · 2008 days ago · 16 km deep · 53 km away
  17. 1.875 km SW of Atka, Alaska · 2008 days ago · 42 km deep · 74 km away
  18. 2.9Andreanof Islands, Aleutian Islands, Alaska · 2009 days ago · 16 km deep · 46 km away
  19. 2.6127 km SSW of Atka, Alaska · 2009 days ago · 27 km deep · 46 km away
  20. 3.7131 km SSW of Atka, Alaska · 2009 days ago · 24 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214xajrde. Read Tue, Sep 29, 2026, 12:28 PM UTC.