Alaska earthquakes

M1.5 earthquake 99 km SW of Atka, Alaska

A magnitude 1.5 earthquake struck 99 km SW of Atka, Alaska on Wed, May 12, 2021, 3:10 PM HADT (00:10 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M5.0 49 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-05-13 00:10:16 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.537° N, 175.183° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 67 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.934 km ENE of Adak, Alaska · 1967 days ago · 132 km deep · 81 km away
  2. 3.199 km ESE of Adak, Alaska · 1967 days ago · 35 km deep · 8 km away
  3. 2.955 km SW of Atka, Alaska · 1966 days ago · 51 km deep · 44 km away
  4. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1966 days ago · 29 km deep · 36 km away
  5. 3.831 km SSE of Adak, Alaska · 1966 days ago · 50 km deep · 84 km away
  6. 2.579 km WSW of Atka, Alaska · 1965 days ago · 57 km deep · 31 km away
  7. 1.957 km SSE of Adak, Alaska · 1964 days ago · 26 km deep · 74 km away
  8. 3.955 km SSE of Atka, Alaska · 1959 days ago · 35 km deep · 91 km away
  9. 3.7174 km SE of Adak, Alaska · 1956 days ago · 10 km deep · 97 km away
  10. 1.539 km NE of Adak, Alaska · 1955 days ago · 10 km deep · 94 km away
  11. 1.637 km NE of Adak, Alaska · 1954 days ago · 10 km deep · 96 km away
  12. 1.638 km NE of Adak, Alaska · 1954 days ago · 8 km deep · 96 km away
  13. 2.984 km E of Adak, Alaska · 1954 days ago · 238 km deep · 47 km away
  14. 2.744 km E of Adak, Alaska · 1951 days ago · 69 km deep · 64 km away
  15. 2.039 km ESE of Adak, Alaska · 1949 days ago · 62 km deep · 68 km away
  16. 2.042 km SW of Atka, Alaska · 1949 days ago · 55 km deep · 57 km away
  17. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1939 days ago · 35 km deep · 78 km away
  18. 2.873 km ESE of Adak, Alaska · 1938 days ago · 70 km deep · 36 km away
  19. 1.640 km ENE of Adak, Alaska · 1937 days ago · 154 km deep · 87 km away
  20. 2.193 km SW of Atka, Alaska · 1933 days ago · 24 km deep · 13 km away
  21. 1.754 km SSE of Adak, Alaska · 1931 days ago · 27 km deep · 89 km away
  22. 1.9105 km SSW of Atka, Alaska · 1931 days ago · 64 km deep · 17 km away
  23. 1.694 km ESE of Adak, Alaska · 1931 days ago · 36 km deep · 13 km away
  24. 1.642 km ENE of Adak, Alaska · 1927 days ago · 3 km deep · 87 km away
  25. 1.862 km E of Adak, Alaska · 1921 days ago · 18 km deep · 61 km away
  26. 1.644 km ESE of Adak, Alaska · 1921 days ago · 68 km deep · 63 km away
  27. 2.075 km SE of Adak, Alaska · 1921 days ago · 26 km deep · 48 km away
  28. 1.524 km E of Adak, Alaska · 1921 days ago · 72 km deep · 83 km away
  29. 2.330 km SW of Atka, Alaska · 1919 days ago · 76 km deep · 69 km away
  30. 2.084 km ESE of Adak, Alaska · 1918 days ago · 43 km deep · 25 km away
  31. 3.2103 km ESE of Adak, Alaska · 1918 days ago · 35 km deep · 7 km away
  32. 2.69 km S of Atka, Alaska · 1917 days ago · 101 km deep · 93 km away
  33. 2.029 km NE of Adak, Alaska · 1917 days ago · 125 km deep · 94 km away
  34. 1.539 km SSE of Adak, Alaska · 1917 days ago · 35 km deep · 83 km away
  35. 3.760 km WSW of Atka, Alaska · 1917 days ago · 76 km deep · 49 km away
  36. 3.099 km SW of Atka, Alaska · 1916 days ago · 24 km deep · 5 km away
  37. 1.862 km SE of Adak, Alaska · 1916 days ago · 23 km deep · 56 km away
  38. 2.639 km ENE of Adak, Alaska · 1916 days ago · 96 km deep · 77 km away
  39. 1.757 km SE of Adak, Alaska · 1915 days ago · 13 km deep · 67 km away
  40. 3.085 km SSE of Adak, Alaska · 1915 days ago · 10 km deep · 68 km away
  41. 1.836 km ESE of Adak, Alaska · 1914 days ago · 61 km deep · 72 km away
  42. 1.849 km S of Adak, Alaska · 1914 days ago · 26 km deep · 98 km away
  43. 1.758 km SE of Adak, Alaska · 1914 days ago · 17 km deep · 61 km away
  44. 1.856 km SSW of Atka, Alaska · 1913 days ago · 43 km deep · 57 km away
  45. 2.332 km SE of Adak, Alaska · 1913 days ago · 50 km deep · 81 km away
  46. 2.051 km S of Adak, Alaska · 1911 days ago · 21 km deep · 94 km away
  47. 2.282 km SE of Adak, Alaska · 1911 days ago · 26 km deep · 33 km away
  48. 2.274 km SSW of Atka, Alaska · 1910 days ago · 37 km deep · 38 km away
  49. 4.689 km SW of Atka, Alaska · 1910 days ago · 52 km deep · 17 km away
  50. 1.648 km S of Adak, Alaska · 1910 days ago · 13 km deep · 95 km away
  51. 2.191 km SW of Atka, Alaska · 1910 days ago · 26 km deep · 12 km away
  52. 1.89 km SSW of Atka, Alaska · 1909 days ago · 24 km deep · 91 km away
  53. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1909 days ago · 16 km deep · 6 km away
  54. 1.569 km SE of Adak, Alaska · 1909 days ago · 22 km deep · 43 km away
  55. 2.350 km NE of Adak, Alaska · 1909 days ago · 201 km deep · 97 km away
  56. 1.8111 km SSW of Atka, Alaska · 1909 days ago · 26 km deep · 28 km away
  57. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1909 days ago · 25 km deep · 48 km away
  58. 1.878 km SSW of Atka, Alaska · 1909 days ago · 14 km deep · 33 km away
  59. 1.782 km ESE of Adak, Alaska · 1909 days ago · 26 km deep · 27 km away
  60. 1.580 km ESE of Adak, Alaska · 1909 days ago · 25 km deep · 29 km away

The first 60 of 67.

Before

  1. 1.849 km SE of Adak, Alaska · 1976 days ago · 30 km deep · 70 km away
  2. 3.6100 km SW of Atka, Alaska · 1976 days ago · 35 km deep · 2 km away
  3. 3.345 km SSE of Atka, Alaska · 1978 days ago · 56 km deep · 97 km away
  4. 1.727 km ESE of Adak, Alaska · 1981 days ago · 98 km deep · 80 km away
  5. 2.363 km S of Atka, Alaska · 1981 days ago · 21 km deep · 69 km away
  6. 1.643 km S of Adak, Alaska · 1981 days ago · 44 km deep · 95 km away
  7. 1.8119 km SSW of Atka, Alaska · 1981 days ago · 7 km deep · 33 km away
  8. 2.264 km SSE of Adak, Alaska · 1981 days ago · 23 km deep · 91 km away
  9. 2.145 km E of Adak, Alaska · 1982 days ago · 127 km deep · 70 km away
  10. 2.869 km ENE of Adak, Alaska · 1982 days ago · 82 km deep · 65 km away
  11. 2.041 km SSE of Adak, Alaska · 1982 days ago · 36 km deep · 83 km away
  12. 1.849 km S of Adak, Alaska · 1982 days ago · 25 km deep · 95 km away
  13. 1.746 km ENE of Adak, Alaska · 1983 days ago · 8 km deep · 83 km away
  14. 1.943 km SSW of Atka, Alaska · 1983 days ago · 44 km deep · 64 km away
  15. 1.860 km SE of Adak, Alaska · 1983 days ago · 26 km deep · 66 km away
  16. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1984 days ago · 6 km deep · 83 km away
  17. 2.256 km WNW of Atka, Alaska · 1984 days ago · 78 km deep · 92 km away
  18. 2.057 km SSE of Adak, Alaska · 1985 days ago · 27 km deep · 71 km away
  19. 2.881 km SE of Adak, Alaska · 1985 days ago · 33 km deep · 35 km away
  20. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1985 days ago · 35 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02163yjc55. Read Thu, Oct 1, 2026, 1:37 PM UTC.