Alaska earthquakes

M2.0 earthquake 199 km S of Atka, Alaska

A magnitude 2.0 earthquake struck 199 km S of Atka, Alaska on Wed, Aug 11, 2021, 2:50 AM HADT (11:50 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.3 200 km SSE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-08-11 11:50:18 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
50.406° N, 174.056° 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
18

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 2.6211 km SSE of Atka, Alaska · 1872 days ago · 10 km deep · 94 km away
  2. 3.3200 km SSE of Atka, Alaska · 1870 days ago · 10 km deep · 48 km away
  3. 2.0193 km S of Atka, Alaska · 1867 days ago · 10 km deep · 26 km away
  4. 2.2103 km S of Atka, Alaska · 1867 days ago · 29 km deep · 96 km away
  5. 2.1165 km SSE of Atka, Alaska · 1860 days ago · 11 km deep · 49 km away
  6. 1.9170 km SE of Adak, Alaska · 1860 days ago · 10 km deep · 81 km away
  7. 2.2187 km SSW of Atka, Alaska · 1856 days ago · 24 km deep · 57 km away
  8. 2.1178 km S of Atka, Alaska · 1855 days ago · 7 km deep · 26 km away
  9. 2.7188 km S of Atka, Alaska · 1854 days ago · 10 km deep · 13 km away
  10. 2.2180 km SSE of Atka, Alaska · 1852 days ago · 22 km deep · 76 km away
  11. 2.8182 km SE of Adak, Alaska · 1851 days ago · 29 km deep · 75 km away
  12. 1.7109 km S of Atka, Alaska · 1846 days ago · 24 km deep · 90 km away
  13. 2.9183 km SSE of Atka, Alaska · 1839 days ago · 21 km deep · 50 km away
  14. 3.0135 km SSW of Atka, Alaska · 1837 days ago · 14 km deep · 93 km away

Before

  1. 3.0205 km SSE of Atka, Alaska · 1875 days ago · 10 km deep · 50 km away
  2. 2.7173 km SSE of Atka, Alaska · 1877 days ago · 22 km deep · 85 km away
  3. 2.9152 km SSE of Atka, Alaska · 1877 days ago · 10 km deep · 71 km away
  4. 3.0171 km SSE of Atka, Alaska · 1880 days ago · 17 km deep · 77 km away
  5. 2.3161 km SSE of Atka, Alaska · 1880 days ago · 7 km deep · 73 km away
  6. 3.0186 km SSE of Atka, Alaska · 1880 days ago · 10 km deep · 73 km away
  7. 3.1200 km SSE of Atka, Alaska · 1880 days ago · 30 km deep · 81 km away
  8. 2.2155 km SSE of Atka, Alaska · 1880 days ago · 1 km deep · 71 km away
  9. 2.2150 km SSE of Atka, Alaska · 1880 days ago · 15 km deep · 83 km away
  10. 2.3165 km SSE of Atka, Alaska · 1880 days ago · 9 km deep · 70 km away
  11. 1.7160 km SSE of Atka, Alaska · 1880 days ago · 3 km deep · 71 km away
  12. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1881 days ago · 10 km deep · 84 km away
  13. 2.7187 km SSE of Atka, Alaska · 1881 days ago · 10 km deep · 86 km away
  14. 1.5189 km SSE of Atka, Alaska · 1881 days ago · 8 km deep · 88 km away
  15. 2.1165 km SSE of Atka, Alaska · 1881 days ago · 10 km deep · 72 km away
  16. 2.2173 km SSE of Atka, Alaska · 1882 days ago · 11 km deep · 41 km away
  17. 2.7173 km SSE of Atka, Alaska · 1883 days ago · 10 km deep · 70 km away
  18. 3.8181 km SSE of Atka, Alaska · 1883 days ago · 10 km deep · 93 km away
  19. 3.0162 km SSE of Atka, Alaska · 1884 days ago · 6 km deep · 68 km away
  20. 3.1186 km SSE of Atka, Alaska · 1884 days ago · 30 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a8zowz0. Read Mon, Sep 28, 2026, 6:07 PM UTC.