Alaska earthquakes

M1.7 earthquake 160 km SSE of Atka, Alaska

A magnitude 1.7 earthquake struck 160 km SSE of Atka, Alaska on Thu, Aug 5, 2021, 2:59 AM HADT (11:59 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.4 64 km SSE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2021-08-05 11:59:16 UTC
Depth
2.8 km (1.7 mi), shallow
Epicenter
50.861° N, 173.345° 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
33

Nearby

Within 100 km, magnitude 1.5 and up: 44 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.3165 km SSE of Atka, Alaska · 1881 days ago · 9 km deep · 6 km away
  2. 2.2150 km SSE of Atka, Alaska · 1881 days ago · 15 km deep · 12 km away
  3. 2.2155 km SSE of Atka, Alaska · 1881 days ago · 1 km deep · 5 km away
  4. 3.1200 km SSE of Atka, Alaska · 1881 days ago · 30 km deep · 43 km away
  5. 3.0186 km SSE of Atka, Alaska · 1881 days ago · 10 km deep · 27 km away
  6. 2.3161 km SSE of Atka, Alaska · 1881 days ago · 7 km deep · 2 km away
  7. 3.0171 km SSE of Atka, Alaska · 1881 days ago · 17 km deep · 15 km away
  8. 2.766 km S of Atka, Alaska · 1880 days ago · 35 km deep · 100 km away
  9. 2.9152 km SSE of Atka, Alaska · 1878 days ago · 10 km deep · 8 km away
  10. 2.7173 km SSE of Atka, Alaska · 1878 days ago · 22 km deep · 22 km away
  11. 3.0205 km SSE of Atka, Alaska · 1876 days ago · 10 km deep · 48 km away
  12. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1876 days ago · 35 km deep · 76 km away
  13. 2.068 km SE of Atka, Alaska · 1876 days ago · 23 km deep · 95 km away
  14. 2.0199 km S of Atka, Alaska · 1875 days ago · 9 km deep · 71 km away
  15. 2.890 km SE of Atka, Alaska · 1875 days ago · 35 km deep · 97 km away
  16. 2.2187 km SE of Atka, Alaska · 1875 days ago · 3 km deep · 56 km away
  17. 2.6211 km SSE of Atka, Alaska · 1873 days ago · 10 km deep · 56 km away
  18. 3.3200 km SSE of Atka, Alaska · 1871 days ago · 10 km deep · 43 km away
  19. 2.0193 km S of Atka, Alaska · 1868 days ago · 10 km deep · 49 km away
  20. 2.2103 km S of Atka, Alaska · 1867 days ago · 29 km deep · 70 km away
  21. 2.8197 km SE of Atka, Alaska · 1866 days ago · 10 km deep · 58 km away
  22. 2.5102 km SSE of Atka, Alaska · 1865 days ago · 10 km deep · 57 km away
  23. 2.9178 km SE of Atka, Alaska · 1865 days ago · 10 km deep · 67 km away
  24. 3.0167 km SE of Atka, Alaska · 1865 days ago · 10 km deep · 69 km away
  25. 2.0163 km SE of Atka, Alaska · 1863 days ago · 20 km deep · 54 km away
  26. 1.690 km SSE of Atka, Alaska · 1863 days ago · 41 km deep · 69 km away
  27. 2.1165 km SSE of Atka, Alaska · 1861 days ago · 11 km deep · 23 km away
  28. 2.085 km SSE of Atka, Alaska · 1859 days ago · 4 km deep · 76 km away
  29. 1.661 km SSE of Atka, Alaska · 1858 days ago · 25 km deep · 99 km away
  30. 2.1178 km S of Atka, Alaska · 1856 days ago · 7 km deep · 46 km away
  31. 2.7188 km S of Atka, Alaska · 1855 days ago · 10 km deep · 60 km away
  32. 2.2140 km SE of Atka, Alaska · 1853 days ago · 14 km deep · 64 km away
  33. 2.2180 km SSE of Atka, Alaska · 1853 days ago · 22 km deep · 23 km away
  34. 3.1113 km SE of Atka, Alaska · 1852 days ago · 35 km deep · 81 km away
  35. 2.893 km SSE of Atka, Alaska · 1848 days ago · 35 km deep · 67 km away
  36. 1.7109 km S of Atka, Alaska · 1847 days ago · 24 km deep · 71 km away
  37. 2.9122 km SE of Atka, Alaska · 1842 days ago · 30 km deep · 87 km away
  38. 3.1110 km SE of Atka, Alaska · 1842 days ago · 35 km deep · 69 km away
  39. 2.9183 km SSE of Atka, Alaska · 1840 days ago · 21 km deep · 27 km away
  40. 2.687 km S of Atka, Alaska · 1838 days ago · 35 km deep · 85 km away
  41. 2.7105 km SSE of Atka, Alaska · 1835 days ago · 35 km deep · 59 km away
  42. 2.796 km SSE of Atka, Alaska · 1835 days ago · 35 km deep · 66 km away
  43. 3.464 km SSE of Atka, Alaska · 1834 days ago · 35 km deep · 96 km away
  44. 2.191 km S of Atka, Alaska · 1823 days ago · 4 km deep · 94 km away

Before

  1. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1881 days ago · 10 km deep · 28 km away
  2. 2.7187 km SSE of Atka, Alaska · 1882 days ago · 10 km deep · 33 km away
  3. 1.5189 km SSE of Atka, Alaska · 1882 days ago · 8 km deep · 36 km away
  4. 2.1165 km SSE of Atka, Alaska · 1882 days ago · 10 km deep · 6 km away
  5. 3.2132 km SE of Atka, Alaska · 1883 days ago · 10 km deep · 48 km away
  6. 2.2173 km SSE of Atka, Alaska · 1883 days ago · 11 km deep · 30 km away
  7. 2.7173 km SSE of Atka, Alaska · 1883 days ago · 10 km deep · 14 km away
  8. 3.8181 km SSE of Atka, Alaska · 1883 days ago · 10 km deep · 33 km away
  9. 3.0162 km SSE of Atka, Alaska · 1885 days ago · 6 km deep · 4 km away
  10. 3.1186 km SSE of Atka, Alaska · 1885 days ago · 30 km deep · 31 km away
  11. 3.1169 km SSE of Atka, Alaska · 1885 days ago · 10 km deep · 29 km away
  12. 3.1174 km SSE of Atka, Alaska · 1887 days ago · 26 km deep · 26 km away
  13. 2.2187 km SE of Atka, Alaska · 1890 days ago · 11 km deep · 73 km away
  14. 2.8109 km SE of Atka, Alaska · 1890 days ago · 10 km deep · 69 km away
  15. 2.671 km SE of Atka, Alaska · 1890 days ago · 35 km deep · 97 km away
  16. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1891 days ago · 26 km deep · 10 km away
  17. 3.2163 km SSE of Atka, Alaska · 1891 days ago · 10 km deep · 5 km away
  18. 2.4144 km S of Atka, Alaska · 1892 days ago · 21 km deep · 38 km away
  19. 3.899 km SSE of Atka, Alaska · 1893 days ago · 61 km deep · 61 km away
  20. 2.675 km S of Atka, Alaska · 1894 days ago · 22 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219z2iseo. Read Tue, Sep 29, 2026, 3:06 PM UTC.