Alaska earthquakes

M2.1 earthquake 165 km SSE of Atka, Alaska

A magnitude 2.1 earthquake struck 165 km SSE of Atka, Alaska on Wed, Aug 4, 2021, 2:04 AM HADT (11:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.3 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-08-04 11:04:49 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
50.823° N, 173.275° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.5189 km SSE of Atka, Alaska · 1884 days ago · 8 km deep · 29 km away
  2. 2.7187 km SSE of Atka, Alaska · 1883 days ago · 10 km deep · 27 km away
  3. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1883 days ago · 10 km deep · 22 km away
  4. 1.7160 km SSE of Atka, Alaska · 1883 days ago · 3 km deep · 6 km away
  5. 2.3165 km SSE of Atka, Alaska · 1883 days ago · 9 km deep · 2 km away
  6. 2.2150 km SSE of Atka, Alaska · 1883 days ago · 15 km deep · 16 km away
  7. 2.2155 km SSE of Atka, Alaska · 1883 days ago · 1 km deep · 12 km away
  8. 3.1200 km SSE of Atka, Alaska · 1883 days ago · 30 km deep · 36 km away
  9. 3.0186 km SSE of Atka, Alaska · 1883 days ago · 10 km deep · 21 km away
  10. 2.3161 km SSE of Atka, Alaska · 1883 days ago · 7 km deep · 5 km away
  11. 3.0171 km SSE of Atka, Alaska · 1883 days ago · 17 km deep · 8 km away
  12. 2.9152 km SSE of Atka, Alaska · 1880 days ago · 10 km deep · 15 km away
  13. 2.7173 km SSE of Atka, Alaska · 1880 days ago · 22 km deep · 17 km away
  14. 3.0205 km SSE of Atka, Alaska · 1878 days ago · 10 km deep · 44 km away
  15. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1878 days ago · 35 km deep · 80 km away
  16. 2.0199 km S of Atka, Alaska · 1877 days ago · 9 km deep · 72 km away
  17. 2.2187 km SE of Atka, Alaska · 1876 days ago · 3 km deep · 52 km away
  18. 2.6211 km SSE of Atka, Alaska · 1874 days ago · 10 km deep · 50 km away
  19. 3.3200 km SSE of Atka, Alaska · 1873 days ago · 10 km deep · 40 km away
  20. 2.0193 km S of Atka, Alaska · 1870 days ago · 10 km deep · 49 km away
  21. 2.2103 km S of Atka, Alaska · 1869 days ago · 29 km deep · 76 km away
  22. 2.8197 km SE of Atka, Alaska · 1868 days ago · 10 km deep · 53 km away
  23. 2.5102 km SSE of Atka, Alaska · 1867 days ago · 10 km deep · 63 km away
  24. 2.9178 km SE of Atka, Alaska · 1867 days ago · 10 km deep · 64 km away
  25. 3.0167 km SE of Atka, Alaska · 1866 days ago · 10 km deep · 67 km away
  26. 2.0163 km SE of Atka, Alaska · 1864 days ago · 20 km deep · 52 km away
  27. 1.690 km SSE of Atka, Alaska · 1864 days ago · 41 km deep · 75 km away
  28. 2.1165 km SSE of Atka, Alaska · 1862 days ago · 11 km deep · 26 km away
  29. 2.085 km SSE of Atka, Alaska · 1861 days ago · 4 km deep · 81 km away
  30. 2.1178 km S of Atka, Alaska · 1858 days ago · 7 km deep · 48 km away
  31. 2.7188 km S of Atka, Alaska · 1857 days ago · 10 km deep · 61 km away
  32. 2.2140 km SE of Atka, Alaska · 1855 days ago · 14 km deep · 64 km away
  33. 2.2180 km SSE of Atka, Alaska · 1854 days ago · 22 km deep · 17 km away
  34. 3.1113 km SE of Atka, Alaska · 1853 days ago · 35 km deep · 83 km away
  35. 2.893 km SSE of Atka, Alaska · 1849 days ago · 35 km deep · 73 km away
  36. 1.7109 km S of Atka, Alaska · 1849 days ago · 24 km deep · 77 km away
  37. 2.9122 km SE of Atka, Alaska · 1844 days ago · 30 km deep · 89 km away
  38. 3.1110 km SE of Atka, Alaska · 1844 days ago · 35 km deep · 73 km away
  39. 2.9183 km SSE of Atka, Alaska · 1842 days ago · 21 km deep · 25 km away
  40. 2.687 km S of Atka, Alaska · 1840 days ago · 35 km deep · 91 km away
  41. 2.7105 km SSE of Atka, Alaska · 1837 days ago · 35 km deep · 64 km away
  42. 2.796 km SSE of Atka, Alaska · 1837 days ago · 35 km deep · 72 km away

Before

  1. 3.2132 km SE of Atka, Alaska · 1884 days ago · 10 km deep · 50 km away
  2. 2.2173 km SSE of Atka, Alaska · 1885 days ago · 11 km deep · 32 km away
  3. 2.7173 km SSE of Atka, Alaska · 1885 days ago · 10 km deep · 8 km away
  4. 3.8181 km SSE of Atka, Alaska · 1885 days ago · 10 km deep · 28 km away
  5. 3.0162 km SSE of Atka, Alaska · 1886 days ago · 6 km deep · 7 km away
  6. 3.1186 km SSE of Atka, Alaska · 1887 days ago · 30 km deep · 25 km away
  7. 3.1169 km SSE of Atka, Alaska · 1887 days ago · 10 km deep · 25 km away
  8. 3.1174 km SSE of Atka, Alaska · 1889 days ago · 26 km deep · 21 km away
  9. 2.2187 km SE of Atka, Alaska · 1892 days ago · 11 km deep · 69 km away
  10. 2.8109 km SE of Atka, Alaska · 1892 days ago · 10 km deep · 72 km away
  11. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1892 days ago · 26 km deep · 6 km away
  12. 3.2163 km SSE of Atka, Alaska · 1892 days ago · 10 km deep · 2 km away
  13. 2.4144 km S of Atka, Alaska · 1894 days ago · 21 km deep · 43 km away
  14. 3.899 km SSE of Atka, Alaska · 1895 days ago · 61 km deep · 67 km away
  15. 2.397 km SE of Atka, Alaska · 1897 days ago · 24 km deep · 76 km away
  16. 2.6109 km SE of Atka, Alaska · 1897 days ago · 25 km deep · 67 km away
  17. 2.092 km S of Atka, Alaska · 1897 days ago · 19 km deep · 81 km away
  18. 1.5106 km S of Atka, Alaska · 1904 days ago · 26 km deep · 87 km away
  19. 1.590 km SSE of Atka, Alaska · 1904 days ago · 19 km deep · 75 km away
  20. 1.686 km SE of Atka, Alaska · 1905 days ago · 23 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219xenp15. Read Thu, Oct 1, 2026, 7:02 AM UTC.