Alaska earthquakes

M1.9 earthquake 72 km ESE of Adak, Alaska

A magnitude 1.9 earthquake struck 72 km ESE of Adak, Alaska on Tue, Apr 6, 2021, 2:25 AM HADT (11:25 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M2.5 70 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2021-04-06 11:25:09 UTC
Depth
29.3 km (18.2 mi), shallow
Epicenter
51.527° N, 175.753° 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
29

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.663 km SSE of Adak, Alaska · 1997 days ago · 22 km deep · 30 km away
  2. 2.570 km ESE of Adak, Alaska · 1996 days ago · 23 km deep · 19 km away
  3. 2.050 km SW of Adak, Alaska · 1996 days ago · 42 km deep · 90 km away
  4. 1.739 km SSE of Adak, Alaska · 1995 days ago · 35 km deep · 44 km away
  5. 3.687 km SW of Atka, Alaska · 1995 days ago · 35 km deep · 49 km away
  6. 2.0162 km SE of Adak, Alaska · 1995 days ago · 20 km deep · 97 km away
  7. 1.979 km ESE of Adak, Alaska · 1995 days ago · 32 km deep · 22 km away
  8. 2.565 km SSW of Adak, Alaska · 1994 days ago · 35 km deep · 85 km away
  9. 1.961 km SE of Adak, Alaska · 1994 days ago · 15 km deep · 24 km away
  10. 3.328 km S of Adak, Alaska · 1994 days ago · 69 km deep · 61 km away
  11. 2.695 km ESE of Adak, Alaska · 1992 days ago · 35 km deep · 29 km away
  12. 1.759 km SSE of Adak, Alaska · 1990 days ago · 26 km deep · 32 km away
  13. 1.855 km SSW of Adak, Alaska · 1990 days ago · 45 km deep · 74 km away
  14. 1.966 km SE of Adak, Alaska · 1990 days ago · 45 km deep · 6 km away
  15. 1.743 km SSW of Adak, Alaska · 1990 days ago · 50 km deep · 73 km away
  16. 3.075 km WSW of Atka, Alaska · 1989 days ago · 233 km deep · 63 km away
  17. 1.947 km SE of Adak, Alaska · 1989 days ago · 43 km deep · 32 km away
  18. 2.241 km E of Adak, Alaska · 1989 days ago · 75 km deep · 37 km away
  19. 2.350 km ENE of Adak, Alaska · 1988 days ago · 183 km deep · 67 km away
  20. 1.719 km SW of Adak, Alaska · 1988 days ago · 11 km deep · 79 km away
  21. 3.149 km SW of Atka, Alaska · 1987 days ago · 10 km deep · 80 km away
  22. 2.753 km SSW of Adak, Alaska · 1987 days ago · 36 km deep · 90 km away
  23. 1.734 km NE of Adak, Alaska · 1987 days ago · 129 km deep · 68 km away
  24. 2.525 km SE of Adak, Alaska · 1987 days ago · 78 km deep · 48 km away
  25. 1.575 km ESE of Adak, Alaska · 1987 days ago · 29 km deep · 12 km away
  26. 2.874 km ESE of Adak, Alaska · 1986 days ago · 35 km deep · 2 km away
  27. 1.633 km SSW of Adak, Alaska · 1986 days ago · 51 km deep · 78 km away
  28. 1.548 km SSE of Adak, Alaska · 1986 days ago · 23 km deep · 34 km away
  29. 1.662 km SSE of Adak, Alaska · 1986 days ago · 22 km deep · 35 km away
  30. 3.898 km SSE of Adak, Alaska · 1986 days ago · 10 km deep · 51 km away
  31. 1.555 km SSW of Adak, Alaska · 1985 days ago · 19 km deep · 78 km away
  32. 1.552 km SSW of Adak, Alaska · 1985 days ago · 36 km deep · 90 km away
  33. 1.767 km SSE of Adak, Alaska · 1985 days ago · 12 km deep · 44 km away
  34. 2.182 km E of Adak, Alaska · 1985 days ago · 116 km deep · 55 km away
  35. 1.575 km SSE of Adak, Alaska · 1985 days ago · 26 km deep · 45 km away
  36. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1985 days ago · 39 km deep · 62 km away
  37. 1.678 km E of Adak, Alaska · 1985 days ago · 71 km deep · 42 km away
  38. 1.756 km E of Adak, Alaska · 1985 days ago · 71 km deep · 40 km away
  39. 1.967 km SSW of Adak, Alaska · 1985 days ago · 44 km deep · 99 km away
  40. 1.663 km S of Adak, Alaska · 1984 days ago · 25 km deep · 75 km away
  41. 1.737 km SSE of Adak, Alaska · 1984 days ago · 57 km deep · 53 km away
  42. 1.861 km SSE of Adak, Alaska · 1984 days ago · 22 km deep · 36 km away
  43. 1.681 km SE of Adak, Alaska · 1984 days ago · 25 km deep · 16 km away
  44. 2.6102 km ESE of Adak, Alaska · 1984 days ago · 35 km deep · 33 km away
  45. 1.9121 km SSW of Atka, Alaska · 1984 days ago · 8 km deep · 64 km away
  46. 1.855 km SSE of Adak, Alaska · 1983 days ago · 21 km deep · 37 km away
  47. 1.741 km SSE of Adak, Alaska · 1983 days ago · 33 km deep · 42 km away
  48. 1.552 km SW of Adak, Alaska · 1983 days ago · 43 km deep · 92 km away
  49. 1.861 km SSE of Adak, Alaska · 1983 days ago · 16 km deep · 31 km away
  50. 2.454 km ENE of Adak, Alaska · 1982 days ago · 197 km deep · 61 km away
  51. 1.683 km SW of Atka, Alaska · 1982 days ago · 26 km deep · 47 km away
  52. 2.0Andreanof Islands, Aleutian Islands, Alaska · 1982 days ago · 69 km deep · 32 km away
  53. 3.7106 km ESE of Adak, Alaska · 1981 days ago · 35 km deep · 36 km away
  54. 1.560 km SSW of Adak, Alaska · 1981 days ago · 26 km deep · 85 km away
  55. 1.834 km ENE of Adak, Alaska · 1980 days ago · 11 km deep · 66 km away
  56. 2.232 km NE of Adak, Alaska · 1980 days ago · 9 km deep · 72 km away
  57. 2.635 km NE of Adak, Alaska · 1980 days ago · 10 km deep · 69 km away
  58. 2.547 km SW of Adak, Alaska · 1980 days ago · 24 km deep · 98 km away
  59. 1.766 km SW of Atka, Alaska · 1980 days ago · 63 km deep · 65 km away
  60. 3.893 km ESE of Adak, Alaska · 1979 days ago · 50 km deep · 33 km away

The first 60 of 97.

Before

  1. 4.444 km SE of Adak, Alaska · 1997 days ago · 51 km deep · 34 km away · felt by 1
  2. 1.681 km SE of Adak, Alaska · 1998 days ago · 25 km deep · 12 km away
  3. 3.752 km WSW of Atka, Alaska · 1999 days ago · 10 km deep · 78 km away
  4. 1.852 km SSE of Adak, Alaska · 1999 days ago · 24 km deep · 51 km away
  5. 3.392 km SW of Atka, Alaska · 2000 days ago · 35 km deep · 42 km away
  6. 2.916 km SSE of Adak, Alaska · 2001 days ago · 64 km deep · 59 km away
  7. 2.125 km S of Adak, Alaska · 2001 days ago · 57 km deep · 60 km away
  8. 1.975 km E of Adak, Alaska · 2001 days ago · 78 km deep · 51 km away
  9. 1.762 km SW of Adak, Alaska · 2001 days ago · 36 km deep · 98 km away
  10. 2.843 km SSE of Adak, Alaska · 2002 days ago · 40 km deep · 48 km away
  11. 1.958 km SSE of Adak, Alaska · 2002 days ago · 23 km deep · 34 km away
  12. 1.860 km SE of Adak, Alaska · 2003 days ago · 34 km deep · 25 km away
  13. 1.9123 km SSW of Atka, Alaska · 2003 days ago · 16 km deep · 58 km away
  14. 1.875 km SW of Atka, Alaska · 2003 days ago · 42 km deep · 63 km away
  15. 1.980 km ESE of Adak, Alaska · 2003 days ago · 46 km deep · 10 km away
  16. 2.051 km E of Adak, Alaska · 2003 days ago · 104 km deep · 49 km away
  17. 2.9Andreanof Islands, Aleutian Islands, Alaska · 2004 days ago · 16 km deep · 68 km away
  18. 2.6127 km SSW of Atka, Alaska · 2004 days ago · 27 km deep · 66 km away
  19. 3.7131 km SSW of Atka, Alaska · 2004 days ago · 24 km deep · 71 km away
  20. 3.945 km S of Adak, Alaska · 2004 days ago · 47 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214eyagof. Read Thu, Sep 24, 2026, 10:07 AM UTC.