Alaska earthquakes

M1.9 earthquake 12 km S of Atka, Alaska

A magnitude 1.9 earthquake struck 12 km S of Atka, Alaska on Sat, Jul 31, 2021, 3:14 PM HADT (00:14 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M4.7 67 km ESE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2021-08-01 00:14:46 UTC
Depth
24.3 km (15.1 mi), shallow
Epicenter
52.085° N, 174.199° 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
30

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 2.741 km SSW of Atka, Alaska · 1885 days ago · 210 km deep · 32 km away
  2. 1.911 km S of Atka, Alaska · 1884 days ago · 74 km deep · 2 km away
  3. 3.110 km NW of Atka, Alaska · 1883 days ago · 210 km deep · 20 km away
  4. 2.782 km SE of Atka, Alaska · 1883 days ago · 21 km deep · 76 km away
  5. 3.150 km S of Atka, Alaska · 1882 days ago · 10 km deep · 38 km away
  6. 1.727 km E of Atka, Alaska · 1882 days ago · 5 km deep · 30 km away
  7. 2.766 km S of Atka, Alaska · 1880 days ago · 35 km deep · 55 km away
  8. 1.867 km WSW of Atka, Alaska · 1879 days ago · 69 km deep · 62 km away
  9. 3.9111 km SSW of Atka, Alaska · 1878 days ago · 27 km deep · 100 km away
  10. 1.930 km SSW of Atka, Alaska · 1878 days ago · 65 km deep · 22 km away
  11. 2.122 km SSW of Atka, Alaska · 1876 days ago · 152 km deep · 13 km away
  12. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1876 days ago · 35 km deep · 86 km away
  13. 1.685 km SW of Atka, Alaska · 1876 days ago · 25 km deep · 77 km away
  14. 3.160 km SSW of Atka, Alaska · 1876 days ago · 224 km deep · 50 km away
  15. 2.068 km SE of Atka, Alaska · 1876 days ago · 23 km deep · 58 km away
  16. 1.813 km N of Atka, Alaska · 1876 days ago · 4 km deep · 26 km away
  17. 1.815 km N of Atka, Alaska · 1876 days ago · 3 km deep · 27 km away
  18. 2.114 km N of Atka, Alaska · 1876 days ago · 5 km deep · 27 km away
  19. 2.014 km N of Atka, Alaska · 1876 days ago · 5 km deep · 27 km away
  20. 1.513 km N of Atka, Alaska · 1875 days ago · 5 km deep · 25 km away
  21. 2.114 km N of Atka, Alaska · 1875 days ago · 4 km deep · 27 km away
  22. 2.315 km N of Atka, Alaska · 1875 days ago · 4 km deep · 27 km away
  23. 1.613 km N of Atka, Alaska · 1875 days ago · 5 km deep · 26 km away
  24. 2.015 km N of Atka, Alaska · 1875 days ago · 4 km deep · 28 km away
  25. 2.890 km SE of Atka, Alaska · 1875 days ago · 35 km deep · 84 km away
  26. 3.028 km WSW of Atka, Alaska · 1874 days ago · 71 km deep · 27 km away
  27. 2.746 km S of Atka, Alaska · 1874 days ago · 35 km deep · 35 km away
  28. 1.574 km E of Adak, Alaska · 1874 days ago · 22 km deep · 99 km away
  29. 1.653 km SSW of Atka, Alaska · 1873 days ago · 15 km deep · 42 km away
  30. 3.948 km E of Atka, Alaska · 1873 days ago · 105 km deep · 49 km away
  31. 2.753 km E of Atka, Alaska · 1873 days ago · 10 km deep · 56 km away
  32. 1.966 km E of Atka, Alaska · 1872 days ago · 129 km deep · 69 km away
  33. 3.183 km E of Adak, Alaska · 1870 days ago · 73 km deep · 90 km away
  34. 3.038 km SSE of Atka, Alaska · 1869 days ago · 67 km deep · 29 km away
  35. 2.678 km ESE of Atka, Alaska · 1869 days ago · 44 km deep · 74 km away
  36. 1.573 km WSW of Atka, Alaska · 1868 days ago · 64 km deep · 69 km away
  37. 2.2103 km S of Atka, Alaska · 1867 days ago · 29 km deep · 91 km away
  38. 1.863 km W of Atka, Alaska · 1867 days ago · 170 km deep · 65 km away
  39. 3.227 km E of Atka, Alaska · 1867 days ago · 19 km deep · 32 km away
  40. 2.829 km NNE of Atka, Alaska · 1867 days ago · 217 km deep · 41 km away
  41. 1.748 km E of Atka, Alaska · 1867 days ago · 16 km deep · 51 km away
  42. 4.767 km ESE of Atka, Alaska · 1866 days ago · 79 km deep · 64 km away
  43. 2.163 km ESE of Atka, Alaska · 1866 days ago · 74 km deep · 60 km away
  44. 1.833 km E of Atka, Alaska · 1866 days ago · 13 km deep · 37 km away
  45. 2.5102 km SSE of Atka, Alaska · 1865 days ago · 10 km deep · 91 km away
  46. 1.742 km SW of Atka, Alaska · 1865 days ago · 53 km deep · 34 km away
  47. 2.853 km SSE of Atka, Alaska · 1865 days ago · 35 km deep · 43 km away
  48. 1.967 km ESE of Atka, Alaska · 1865 days ago · 60 km deep · 62 km away
  49. 2.059 km SSE of Atka, Alaska · 1865 days ago · 15 km deep · 49 km away
  50. 3.349 km N of Atka, Alaska · 1865 days ago · 247 km deep · 62 km away
  51. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1865 days ago · 35 km deep · 66 km away
  52. 1.921 km SW of Atka, Alaska · 1864 days ago · 9 km deep · 16 km away
  53. 2.318 km N of Atka, Alaska · 1864 days ago · 146 km deep · 31 km away
  54. 1.934 km SSW of Atka, Alaska · 1863 days ago · 71 km deep · 25 km away
  55. 1.739 km ESE of Atka, Alaska · 1863 days ago · 23 km deep · 37 km away
  56. 1.690 km SSE of Atka, Alaska · 1863 days ago · 41 km deep · 79 km away
  57. 1.529 km ESE of Atka, Alaska · 1863 days ago · 36 km deep · 28 km away
  58. 1.74 km NNE of Atka, Alaska · 1863 days ago · 129 km deep · 17 km away
  59. 1.696 km ESE of Adak, Alaska · 1861 days ago · 26 km deep · 90 km away
  60. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1861 days ago · 219 km deep · 42 km away

The first 60 of 108.

Before

  1. 2.896 km SW of Atka, Alaska · 1887 days ago · 35 km deep · 88 km away
  2. 1.685 km WSW of Atka, Alaska · 1887 days ago · 78 km deep · 83 km away
  3. 3.074 km NW of Atka, Alaska · 1887 days ago · 206 km deep · 84 km away
  4. 3.172 km ENE of Adak, Alaska · 1888 days ago · 98 km deep · 98 km away
  5. 1.682 km ENE of Adak, Alaska · 1888 days ago · 13 km deep · 88 km away
  6. 2.940 km ESE of Atka, Alaska · 1890 days ago · 5 km deep · 37 km away
  7. 2.129 km NNW of Atka, Alaska · 1890 days ago · 185 km deep · 42 km away
  8. 1.776 km ENE of Adak, Alaska · 1890 days ago · 179 km deep · 94 km away
  9. 2.671 km SE of Atka, Alaska · 1890 days ago · 35 km deep · 63 km away
  10. 1.978 km ENE of Adak, Alaska · 1891 days ago · 166 km deep · 99 km away
  11. 2.920 km WNW of Atka, Alaska · 1892 days ago · 201 km deep · 27 km away
  12. 2.168 km SE of Atka, Alaska · 1892 days ago · 32 km deep · 61 km away
  13. 2.291 km ESE of Adak, Alaska · 1893 days ago · 45 km deep · 88 km away
  14. 1.568 km SW of Atka, Alaska · 1893 days ago · 28 km deep · 60 km away
  15. 2.190 km SW of Atka, Alaska · 1893 days ago · 42 km deep · 83 km away
  16. 3.899 km SSE of Atka, Alaska · 1893 days ago · 61 km deep · 88 km away
  17. 2.737 km N of Atka, Alaska · 1894 days ago · 202 km deep · 50 km away
  18. 2.134 km ENE of Atka, Alaska · 1894 days ago · 150 km deep · 41 km away
  19. 2.675 km S of Atka, Alaska · 1895 days ago · 22 km deep · 63 km away
  20. 2.153 km SE of Atka, Alaska · 1895 days ago · 17 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219s9k0mw. Read Tue, Sep 29, 2026, 4:44 PM UTC.