Alaska earthquakes

M1.9 earthquake 123 km SSW of Atka, Alaska

A magnitude 1.9 earthquake struck 123 km SSW of Atka, Alaska on Fri, Aug 6, 2021, 8:13 PM HADT (05:13 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M2.0 120 km SSW of Atka, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (ml), micro
Local time
UTC
2021-08-07 05:13:03 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.246° N, 175.122° 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: 112 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 2.0120 km SSW of Atka, Alaska · 1874 days ago · 21 km deep · 4 km away
  2. 3.072 km ESE of Adak, Alaska · 1874 days ago · 62 km deep · 58 km away
  3. 1.867 km WSW of Atka, Alaska · 1873 days ago · 69 km deep · 74 km away
  4. 3.6112 km SSW of Atka, Alaska · 1873 days ago · 11 km deep · 23 km away
  5. 2.6112 km SSW of Atka, Alaska · 1873 days ago · 11 km deep · 20 km away
  6. 1.6101 km SSE of Adak, Alaska · 1873 days ago · 24 km deep · 62 km away
  7. 3.9111 km SSW of Atka, Alaska · 1873 days ago · 27 km deep · 21 km away
  8. 2.0112 km SSW of Atka, Alaska · 1873 days ago · 12 km deep · 21 km away
  9. 1.930 km SSW of Atka, Alaska · 1872 days ago · 65 km deep · 93 km away
  10. 1.774 km SSE of Adak, Alaska · 1871 days ago · 25 km deep · 75 km away
  11. 3.054 km SE of Adak, Alaska · 1871 days ago · 35 km deep · 76 km away
  12. 2.744 km SSE of Adak, Alaska · 1871 days ago · 35 km deep · 90 km away
  13. 1.685 km SW of Atka, Alaska · 1870 days ago · 25 km deep · 43 km away
  14. 3.160 km SSW of Atka, Alaska · 1870 days ago · 224 km deep · 63 km away
  15. 3.764 km SE of Adak, Alaska · 1870 days ago · 35 km deep · 64 km away
  16. 1.6116 km SSW of Atka, Alaska · 1869 days ago · 19 km deep · 23 km away
  17. 2.746 km S of Atka, Alaska · 1868 days ago · 35 km deep · 94 km away
  18. 1.574 km E of Adak, Alaska · 1868 days ago · 22 km deep · 68 km away
  19. 1.653 km SSW of Atka, Alaska · 1868 days ago · 15 km deep · 72 km away
  20. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1867 days ago · 33 km deep · 88 km away
  21. 1.560 km SE of Adak, Alaska · 1867 days ago · 22 km deep · 71 km away
  22. 3.183 km E of Adak, Alaska · 1865 days ago · 73 km deep · 64 km away
  23. 1.573 km WSW of Atka, Alaska · 1862 days ago · 64 km deep · 76 km away
  24. 2.2103 km S of Atka, Alaska · 1862 days ago · 29 km deep · 71 km away
  25. 1.572 km SSE of Adak, Alaska · 1862 days ago · 21 km deep · 83 km away
  26. 3.464 km SE of Adak, Alaska · 1861 days ago · 35 km deep · 63 km away
  27. 2.5102 km SSE of Atka, Alaska · 1860 days ago · 10 km deep · 100 km away
  28. 1.742 km SW of Atka, Alaska · 1860 days ago · 53 km deep · 82 km away
  29. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1859 days ago · 35 km deep · 47 km away
  30. 3.067 km E of Adak, Alaska · 1858 days ago · 71 km deep · 75 km away
  31. 1.980 km SE of Adak, Alaska · 1858 days ago · 26 km deep · 46 km away
  32. 1.934 km SSW of Atka, Alaska · 1858 days ago · 71 km deep · 89 km away
  33. 1.690 km SSE of Atka, Alaska · 1857 days ago · 41 km deep · 97 km away
  34. 1.645 km E of Adak, Alaska · 1857 days ago · 68 km deep · 86 km away
  35. 1.696 km ESE of Adak, Alaska · 1856 days ago · 26 km deep · 44 km away
  36. 1.871 km E of Adak, Alaska · 1855 days ago · 149 km deep · 77 km away
  37. 1.675 km SE of Adak, Alaska · 1855 days ago · 18 km deep · 52 km away
  38. 3.668 km ESE of Adak, Alaska · 1855 days ago · 35 km deep · 58 km away
  39. 1.9170 km SE of Adak, Alaska · 1855 days ago · 10 km deep · 65 km away
  40. 1.662 km SE of Adak, Alaska · 1855 days ago · 26 km deep · 71 km away
  41. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1855 days ago · 15 km deep · 100 km away
  42. 1.773 km WSW of Atka, Alaska · 1854 days ago · 73 km deep · 83 km away
  43. 1.796 km ESE of Adak, Alaska · 1854 days ago · 29 km deep · 43 km away
  44. 1.661 km SSE of Atka, Alaska · 1853 days ago · 25 km deep · 99 km away
  45. 1.689 km SE of Adak, Alaska · 1852 days ago · 26 km deep · 37 km away
  46. 1.578 km W of Atka, Alaska · 1852 days ago · 110 km deep · 95 km away
  47. 1.758 km SSE of Adak, Alaska · 1852 days ago · 24 km deep · 87 km away
  48. 2.2187 km SSW of Atka, Alaska · 1851 days ago · 24 km deep · 80 km away
  49. 1.772 km WSW of Atka, Alaska · 1851 days ago · 122 km deep · 90 km away
  50. 1.658 km SE of Adak, Alaska · 1851 days ago · 33 km deep · 69 km away
  51. 1.748 km E of Adak, Alaska · 1851 days ago · 149 km deep · 85 km away
  52. 3.684 km E of Adak, Alaska · 1850 days ago · 64 km deep · 67 km away
  53. 1.676 km ESE of Adak, Alaska · 1850 days ago · 19 km deep · 62 km away
  54. 3.262 km SE of Adak, Alaska · 1848 days ago · 26 km deep · 72 km away
  55. 2.958 km E of Adak, Alaska · 1848 days ago · 156 km deep · 94 km away
  56. 1.641 km SSE of Adak, Alaska · 1848 days ago · 34 km deep · 92 km away
  57. 1.558 km SE of Adak, Alaska · 1847 days ago · 48 km deep · 69 km away
  58. 1.992 km SSE of Adak, Alaska · 1846 days ago · 14 km deep · 77 km away
  59. 2.8182 km SE of Adak, Alaska · 1846 days ago · 29 km deep · 78 km away
  60. 1.560 km SE of Adak, Alaska · 1846 days ago · 27 km deep · 67 km away

The first 60 of 112.

Before

  1. 2.766 km S of Atka, Alaska · 1874 days ago · 35 km deep · 76 km away
  2. 1.969 km SE of Adak, Alaska · 1874 days ago · 39 km deep · 60 km away
  3. 1.565 km SSE of Adak, Alaska · 1876 days ago · 20 km deep · 74 km away
  4. 3.672 km SE of Adak, Alaska · 1876 days ago · 30 km deep · 59 km away
  5. 1.765 km SE of Adak, Alaska · 1876 days ago · 24 km deep · 62 km away
  6. 3.150 km S of Atka, Alaska · 1877 days ago · 10 km deep · 84 km away
  7. 1.559 km SE of Adak, Alaska · 1877 days ago · 23 km deep · 72 km away
  8. 3.244 km SSE of Adak, Alaska · 1879 days ago · 44 km deep · 94 km away
  9. 2.741 km SSW of Atka, Alaska · 1879 days ago · 210 km deep · 82 km away
  10. 1.658 km SE of Adak, Alaska · 1880 days ago · 26 km deep · 72 km away
  11. 1.578 km SSE of Adak, Alaska · 1880 days ago · 19 km deep · 80 km away
  12. 3.054 km ESE of Adak, Alaska · 1881 days ago · 42 km deep · 72 km away
  13. 1.666 km SE of Adak, Alaska · 1881 days ago · 26 km deep · 61 km away
  14. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1881 days ago · 29 km deep · 71 km away
  15. 2.896 km SW of Atka, Alaska · 1882 days ago · 35 km deep · 36 km away
  16. 1.685 km WSW of Atka, Alaska · 1882 days ago · 78 km deep · 83 km away
  17. 3.563 km SE of Adak, Alaska · 1882 days ago · 35 km deep · 69 km away
  18. 2.055 km ENE of Adak, Alaska · 1882 days ago · 179 km deep · 100 km away
  19. 1.682 km ENE of Adak, Alaska · 1883 days ago · 13 km deep · 97 km away
  20. 1.9100 km SSE of Adak, Alaska · 1883 days ago · 14 km deep · 87 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a29qyut. Read Thu, Sep 24, 2026, 5:39 AM UTC.