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 25, 2021, 3:24 PM HADT (00:24 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.9 81 km S of Atka, 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), micro
Local time
UTC
2021-08-26 00:24:22 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
50.752° N, 173.628° 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
19

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 2.085 km SSE of Atka, Alaska · 1860 days ago · 4 km deep · 86 km away
  2. 2.2187 km SSW of Atka, Alaska · 1857 days ago · 24 km deep · 88 km away
  3. 2.1178 km S of Atka, Alaska · 1857 days ago · 7 km deep · 23 km away
  4. 2.7188 km S of Atka, Alaska · 1856 days ago · 10 km deep · 37 km away
  5. 2.2140 km SE of Atka, Alaska · 1854 days ago · 14 km deep · 86 km away
  6. 2.2180 km SSE of Atka, Alaska · 1853 days ago · 22 km deep · 37 km away
  7. 2.893 km SSE of Atka, Alaska · 1848 days ago · 35 km deep · 72 km away
  8. 1.7109 km S of Atka, Alaska · 1848 days ago · 24 km deep · 64 km away
  9. 3.1110 km SE of Atka, Alaska · 1843 days ago · 35 km deep · 87 km away
  10. 2.9183 km SSE of Atka, Alaska · 1841 days ago · 21 km deep · 20 km away
  11. 2.687 km S of Atka, Alaska · 1839 days ago · 35 km deep · 83 km away
  12. 3.0135 km SSW of Atka, Alaska · 1838 days ago · 14 km deep · 95 km away
  13. 2.7105 km SSE of Atka, Alaska · 1836 days ago · 35 km deep · 73 km away
  14. 2.796 km SSE of Atka, Alaska · 1836 days ago · 35 km deep · 69 km away
  15. 2.191 km S of Atka, Alaska · 1823 days ago · 4 km deep · 89 km away
  16. 2.881 km SSE of Atka, Alaska · 1820 days ago · 35 km deep · 88 km away
  17. 2.995 km S of Atka, Alaska · 1816 days ago · 17 km deep · 82 km away
  18. 4.981 km S of Atka, Alaska · 1814 days ago · 35 km deep · 98 km away

Before

  1. 1.690 km SSE of Atka, Alaska · 1863 days ago · 41 km deep · 76 km away
  2. 2.0163 km SE of Atka, Alaska · 1863 days ago · 20 km deep · 77 km away
  3. 3.0167 km SE of Atka, Alaska · 1865 days ago · 10 km deep · 92 km away
  4. 2.9178 km SE of Atka, Alaska · 1865 days ago · 10 km deep · 90 km away
  5. 2.5102 km SSE of Atka, Alaska · 1866 days ago · 10 km deep · 64 km away
  6. 2.8197 km SE of Atka, Alaska · 1867 days ago · 10 km deep · 77 km away
  7. 2.2103 km S of Atka, Alaska · 1868 days ago · 29 km deep · 66 km away
  8. 2.0193 km S of Atka, Alaska · 1869 days ago · 10 km deep · 31 km away
  9. 3.3200 km SSE of Atka, Alaska · 1872 days ago · 10 km deep · 36 km away
  10. 2.6211 km SSE of Atka, Alaska · 1873 days ago · 10 km deep · 67 km away
  11. 1.6116 km SSW of Atka, Alaska · 1875 days ago · 19 km deep · 96 km away
  12. 2.2187 km SE of Atka, Alaska · 1875 days ago · 3 km deep · 77 km away
  13. 2.0199 km S of Atka, Alaska · 1876 days ago · 9 km deep · 49 km away
  14. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1877 days ago · 35 km deep · 91 km away
  15. 3.0205 km SSE of Atka, Alaska · 1877 days ago · 10 km deep · 41 km away
  16. 2.7173 km SSE of Atka, Alaska · 1879 days ago · 22 km deep · 42 km away
  17. 3.6112 km SSW of Atka, Alaska · 1879 days ago · 11 km deep · 99 km away
  18. 2.9152 km SSE of Atka, Alaska · 1879 days ago · 10 km deep · 23 km away
  19. 3.0171 km SSE of Atka, Alaska · 1882 days ago · 17 km deep · 33 km away
  20. 2.3161 km SSE of Atka, Alaska · 1882 days ago · 7 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021axm1sez. Read Wed, Sep 30, 2026, 4:45 AM UTC.