Alaska earthquakes

M2.2 earthquake 180 km SSE of Atka, Alaska

A magnitude 2.2 earthquake struck 180 km SSE of Atka, Alaska on Thu, Sep 2, 2021, 12:10 PM HADT (21:10 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.1 113 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ml), micro
Local time
UTC
2021-09-02 21:10:28 UTC
Depth
22.4 km (13.9 mi), shallow
Epicenter
50.726° N, 173.097° 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
34

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 3.1113 km SE of Atka, Alaska · 1852 days ago · 35 km deep · 91 km away
  2. 2.8217 km SE of Atka, Alaska · 1851 days ago · 10 km deep · 93 km away
  3. 2.893 km SSE of Atka, Alaska · 1848 days ago · 35 km deep · 89 km away
  4. 1.7109 km S of Atka, Alaska · 1847 days ago · 24 km deep · 93 km away
  5. 2.9122 km SE of Atka, Alaska · 1842 days ago · 30 km deep · 95 km away
  6. 3.1110 km SE of Atka, Alaska · 1842 days ago · 35 km deep · 83 km away
  7. 2.9183 km SSE of Atka, Alaska · 1840 days ago · 21 km deep · 26 km away
  8. 2.7105 km SSE of Atka, Alaska · 1835 days ago · 35 km deep · 77 km away
  9. 2.796 km SSE of Atka, Alaska · 1835 days ago · 35 km deep · 88 km away
  10. 2.881 km SSE of Atka, Alaska · 1819 days ago · 35 km deep · 99 km away
  11. 3.0108 km SE of Atka, Alaska · 1813 days ago · 31 km deep · 94 km away
  12. 2.7138 km SE of Atka, Alaska · 1795 days ago · 10 km deep · 60 km away
  13. 2.1178 km S of Atka, Alaska · 1794 days ago · 23 km deep · 88 km away

Before

  1. 2.2140 km SE of Atka, Alaska · 1853 days ago · 14 km deep · 68 km away
  2. 2.7188 km S of Atka, Alaska · 1855 days ago · 10 km deep · 67 km away
  3. 2.1178 km S of Atka, Alaska · 1856 days ago · 7 km deep · 56 km away
  4. 2.085 km SSE of Atka, Alaska · 1859 days ago · 4 km deep · 95 km away
  5. 2.1165 km SSE of Atka, Alaska · 1861 days ago · 11 km deep · 37 km away
  6. 1.690 km SSE of Atka, Alaska · 1863 days ago · 41 km deep · 91 km away
  7. 2.0163 km SE of Atka, Alaska · 1863 days ago · 20 km deep · 50 km away
  8. 3.0167 km SE of Atka, Alaska · 1865 days ago · 10 km deep · 64 km away
  9. 2.9178 km SE of Atka, Alaska · 1865 days ago · 10 km deep · 58 km away
  10. 2.5102 km SSE of Atka, Alaska · 1865 days ago · 10 km deep · 79 km away
  11. 2.8197 km SE of Atka, Alaska · 1866 days ago · 10 km deep · 40 km away
  12. 2.2103 km S of Atka, Alaska · 1867 days ago · 29 km deep · 93 km away
  13. 2.0193 km S of Atka, Alaska · 1868 days ago · 10 km deep · 51 km away
  14. 3.3200 km SSE of Atka, Alaska · 1871 days ago · 10 km deep · 35 km away
  15. 2.6211 km SSE of Atka, Alaska · 1873 days ago · 10 km deep · 33 km away
  16. 2.2187 km SE of Atka, Alaska · 1875 days ago · 3 km deep · 42 km away
  17. 2.0199 km S of Atka, Alaska · 1875 days ago · 9 km deep · 76 km away
  18. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1876 days ago · 35 km deep · 92 km away
  19. 3.0205 km SSE of Atka, Alaska · 1876 days ago · 10 km deep · 37 km away
  20. 2.7173 km SSE of Atka, Alaska · 1878 days ago · 22 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b9j8c0l. Read Tue, Sep 29, 2026, 1:51 PM UTC.