Alaska earthquakes

M1.5 earthquake 54 km ENE of Atka, Alaska

A magnitude 1.5 earthquake struck 54 km ENE of Atka, Alaska on Tue, Sep 7, 2021, 7:29 PM HADT (04:29 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.0 69 km SSE 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
1.5 (ml), micro
Local time
UTC
2021-09-08 04:29:07 UTC
Depth
4.1 km (2.5 mi), shallow
Epicenter
52.449° N, 173.523° 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: 26 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 3.0140 km E of Atka, Alaska · 1848 days ago · 59 km deep · 99 km away
  2. 3.147 km S of Atka, Alaska · 1845 days ago · 27 km deep · 91 km away
  3. 3.131 km S of Atka, Alaska · 1845 days ago · 4 km deep · 78 km away
  4. 1.950 km SSW of Atka, Alaska · 1845 days ago · 61 km deep · 98 km away
  5. 1.947 km SSW of Atka, Alaska · 1839 days ago · 53 km deep · 94 km away
  6. 2.543 km NW of Atka, Alaska · 1838 days ago · 216 km deep · 78 km away
  7. 2.332 km ESE of Atka, Alaska · 1835 days ago · 126 km deep · 42 km away
  8. 2.777 km SE of Atka, Alaska · 1835 days ago · 35 km deep · 76 km away
  9. 3.464 km SSE of Atka, Alaska · 1835 days ago · 35 km deep · 94 km away
  10. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1832 days ago · 56 km deep · 78 km away
  11. 2.632 km ESE of Atka, Alaska · 1829 days ago · 80 km deep · 43 km away
  12. 1.993 km ESE of Atka, Alaska · 1823 days ago · 58 km deep · 84 km away
  13. 3.633 km SSW of Atka, Alaska · 1819 days ago · 75 km deep · 81 km away
  14. 3.050 km SSE of Atka, Alaska · 1816 days ago · 35 km deep · 79 km away
  15. 3.127 km SW of Atka, Alaska · 1815 days ago · 35 km deep · 81 km away
  16. 3.134 km WSW of Atka, Alaska · 1812 days ago · 138 km deep · 88 km away
  17. 1.959 km WNW of Atka, Alaska · 1810 days ago · 108 km deep · 99 km away
  18. 1.822 km SW of Atka, Alaska · 1810 days ago · 72 km deep · 77 km away
  19. 2.929 km SSW of Atka, Alaska · 1800 days ago · 10 km deep · 77 km away
  20. 1.833 km SSW of Atka, Alaska · 1800 days ago · 71 km deep · 85 km away
  21. 3.079 km NE of Atka, Alaska · 1798 days ago · 236 km deep · 35 km away
  22. 4.069 km SSE of Atka, Alaska · 1797 days ago · 53 km deep · 98 km away
  23. 3.8Andreanof Islands, Aleutian Islands, Alaska · 1795 days ago · 61 km deep · 77 km away
  24. 2.345 km S of Atka, Alaska · 1795 days ago · 223 km deep · 90 km away
  25. 1.627 km SW of Atka, Alaska · 1794 days ago · 67 km deep · 80 km away
  26. 1.627 km SW of Atka, Alaska · 1794 days ago · 67 km deep · 80 km away

Before

  1. 1.935 km NE of Atka, Alaska · 1848 days ago · 145 km deep · 20 km away
  2. 2.114 km NW of Atka, Alaska · 1848 days ago · 155 km deep · 59 km away
  3. 2.5112 km ESE of Atka, Alaska · 1848 days ago · 35 km deep · 87 km away
  4. 2.811 km NNE of Atka, Alaska · 1851 days ago · 10 km deep · 44 km away
  5. 2.5109 km ESE of Atka, Alaska · 1852 days ago · 33 km deep · 88 km away
  6. 2.7107 km ESE of Atka, Alaska · 1852 days ago · 35 km deep · 83 km away
  7. 2.018 km W of Atka, Alaska · 1853 days ago · 170 km deep · 71 km away
  8. 2.936 km ENE of Atka, Alaska · 1853 days ago · 179 km deep · 18 km away
  9. 1.753 km SSE of Atka, Alaska · 1853 days ago · 35 km deep · 78 km away
  10. 1.836 km NE of Atka, Alaska · 1855 days ago · 119 km deep · 23 km away
  11. 1.647 km ESE of Atka, Alaska · 1856 days ago · 11 km deep · 44 km away
  12. 1.877 km ESE of Atka, Alaska · 1858 days ago · 34 km deep · 68 km away
  13. 1.661 km SSE of Atka, Alaska · 1858 days ago · 25 km deep · 89 km away
  14. 2.983 km SE of Atka, Alaska · 1860 days ago · 35 km deep · 79 km away
  15. 1.542 km ESE of Atka, Alaska · 1861 days ago · 14 km deep · 51 km away
  16. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1862 days ago · 219 km deep · 84 km away
  17. 1.74 km NNE of Atka, Alaska · 1863 days ago · 129 km deep · 50 km away
  18. 1.529 km ESE of Atka, Alaska · 1863 days ago · 36 km deep · 41 km away
  19. 1.739 km ESE of Atka, Alaska · 1863 days ago · 23 km deep · 44 km away
  20. 1.934 km SSW of Atka, Alaska · 1864 days ago · 71 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bj6g2qm. Read Tue, Sep 29, 2026, 11:41 PM UTC.