Alaska earthquakes

M2.2 earthquake 187 km SE of Atka, Alaska

A magnitude 2.2 earthquake struck 187 km SE of Atka, Alaska on Wed, Aug 11, 2021, 2:30 PM HADT (23:30 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.6 211 km SSE of Atka, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.2 (ml), micro
Local time
UTC
2021-08-11 23:30:35 UTC
Depth
2.5 km (1.6 mi), shallow
Epicenter
50.862° N, 172.542° 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
17

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 2.6211 km SSE of Atka, Alaska · 1867 days ago · 10 km deep · 40 km away
  2. 3.3200 km SSE of Atka, Alaska · 1866 days ago · 10 km deep · 73 km away
  3. 2.0193 km S of Atka, Alaska · 1863 days ago · 10 km deep · 92 km away
  4. 2.8197 km SE of Atka, Alaska · 1861 days ago · 10 km deep · 12 km away
  5. 2.5102 km SSE of Atka, Alaska · 1860 days ago · 10 km deep · 95 km away
  6. 2.9178 km SE of Atka, Alaska · 1860 days ago · 10 km deep · 21 km away
  7. 3.0167 km SE of Atka, Alaska · 1859 days ago · 10 km deep · 32 km away
  8. 2.0163 km SE of Atka, Alaska · 1858 days ago · 20 km deep · 26 km away
  9. 2.1165 km SSE of Atka, Alaska · 1855 days ago · 11 km deep · 77 km away
  10. 2.1178 km S of Atka, Alaska · 1851 days ago · 7 km deep · 97 km away
  11. 2.2140 km SE of Atka, Alaska · 1848 days ago · 14 km deep · 51 km away
  12. 2.2180 km SSE of Atka, Alaska · 1848 days ago · 22 km deep · 42 km away
  13. 3.1113 km SE of Atka, Alaska · 1846 days ago · 35 km deep · 80 km away
  14. 2.8217 km SE of Atka, Alaska · 1846 days ago · 10 km deep · 51 km away
  15. 2.9122 km SE of Atka, Alaska · 1837 days ago · 30 km deep · 78 km away
  16. 3.1110 km SE of Atka, Alaska · 1837 days ago · 35 km deep · 78 km away
  17. 2.9183 km SSE of Atka, Alaska · 1835 days ago · 21 km deep · 68 km away
  18. 2.7105 km SSE of Atka, Alaska · 1830 days ago · 35 km deep · 84 km away

Before

  1. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1871 days ago · 35 km deep · 93 km away
  2. 3.0205 km SSE of Atka, Alaska · 1871 days ago · 10 km deep · 75 km away
  3. 2.7173 km SSE of Atka, Alaska · 1873 days ago · 22 km deep · 35 km away
  4. 2.9152 km SSE of Atka, Alaska · 1873 days ago · 10 km deep · 62 km away
  5. 3.0171 km SSE of Atka, Alaska · 1876 days ago · 17 km deep · 44 km away
  6. 2.3161 km SSE of Atka, Alaska · 1876 days ago · 7 km deep · 54 km away
  7. 3.0186 km SSE of Atka, Alaska · 1876 days ago · 10 km deep · 45 km away
  8. 3.1200 km SSE of Atka, Alaska · 1876 days ago · 30 km deep · 43 km away
  9. 2.2155 km SSE of Atka, Alaska · 1876 days ago · 1 km deep · 60 km away
  10. 2.2150 km SSE of Atka, Alaska · 1876 days ago · 15 km deep · 53 km away
  11. 2.3165 km SSE of Atka, Alaska · 1876 days ago · 9 km deep · 54 km away
  12. 1.7160 km SSE of Atka, Alaska · 1876 days ago · 3 km deep · 56 km away
  13. 2.7Andreanof Islands, Aleutian Islands, Alaska · 1876 days ago · 10 km deep · 34 km away
  14. 2.7187 km SSE of Atka, Alaska · 1876 days ago · 10 km deep · 33 km away
  15. 1.5189 km SSE of Atka, Alaska · 1877 days ago · 8 km deep · 31 km away
  16. 2.1165 km SSE of Atka, Alaska · 1877 days ago · 10 km deep · 52 km away
  17. 3.2132 km SE of Atka, Alaska · 1878 days ago · 10 km deep · 56 km away
  18. 2.2173 km SSE of Atka, Alaska · 1878 days ago · 11 km deep · 81 km away
  19. 2.7173 km SSE of Atka, Alaska · 1878 days ago · 10 km deep · 50 km away
  20. 3.8181 km SSE of Atka, Alaska · 1878 days ago · 10 km deep · 25 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a96q0iu. Read Thu, Sep 24, 2026, 9:07 AM UTC.