Alaska earthquakes

M1.8 earthquake 36 km S of Akhiok, Alaska

A magnitude 1.8 earthquake struck 36 km S of Akhiok, Alaska on Sat, Jul 31, 2021, 9:40 AM AKDT (17:40 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.5 105 km WSW of Akhiok, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-07-31 17:40:56 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
56.614° N, 154.197° 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
14

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 1.544 km SW of Akhiok, Alaska · 1889 days ago · 1 km deep · 32 km away
  2. 1.651 km W of Akhiok, Alaska · 1888 days ago · 25 km deep · 57 km away
  3. 2.827 km W of Akhiok, Alaska · 1886 days ago · 4 km deep · 46 km away
  4. 1.997 km WSW of Akhiok, Alaska · 1886 days ago · 58 km deep · 96 km away
  5. 1.830 km W of Akhiok, Alaska · 1885 days ago · 20 km deep · 50 km away
  6. 1.630 km N of Akhiok, Alaska · 1879 days ago · 8 km deep · 67 km away
  7. 1.630 km SSW of Karluk, Alaska · 1879 days ago · 10 km deep · 81 km away
  8. 1.8Kodiak Island region, Alaska · 1877 days ago · 38 km deep · 92 km away
  9. 2.940 km SW of Karluk, Alaska · 1876 days ago · 51 km deep · 89 km away
  10. 1.9Kodiak Island region, Alaska · 1875 days ago · 2 km deep · 93 km away
  11. 3.398 km WSW of Akhiok, Alaska · 1872 days ago · 67 km deep · 86 km away
  12. 2.431 km SW of Akhiok, Alaska · 1872 days ago · 9 km deep · 29 km away
  13. 1.663 km WSW of Akhiok, Alaska · 1871 days ago · 6 km deep · 54 km away
  14. 1.657 km W of Akhiok, Alaska · 1870 days ago · 53 km deep · 61 km away
  15. 1.558 km WNW of Akhiok, Alaska · 1870 days ago · 56 km deep · 78 km away
  16. 1.962 km WNW of Akhiok, Alaska · 1870 days ago · 57 km deep · 79 km away
  17. 2.155 km SW of Akhiok, Alaska · 1869 days ago · 66 km deep · 34 km away
  18. 1.925 km SE of Larsen Bay, Alaska · 1866 days ago · 7 km deep · 88 km away
  19. 2.421 km SW of Larsen Bay, Alaska · 1864 days ago · 40 km deep · 87 km away
  20. 1.957 km SW of Akhiok, Alaska · 1860 days ago · 32 km deep · 44 km away
  21. 2.290 km S of Akhiok, Alaska · 1858 days ago · 29 km deep · 54 km away
  22. 1.957 km SW of Karluk, Alaska · 1858 days ago · 46 km deep · 92 km away
  23. 1.831 km E of Akhiok, Alaska · 1857 days ago · 31 km deep · 48 km away
  24. 1.659 km SE of Akhiok, Alaska · 1856 days ago · 2 km deep · 39 km away
  25. 1.690 km WSW of Akhiok, Alaska · 1854 days ago · 7 km deep · 89 km away
  26. 3.5105 km WSW of Akhiok, Alaska · 1854 days ago · 70 km deep · 92 km away
  27. 1.732 km S of Karluk, Alaska · 1854 days ago · 43 km deep · 77 km away
  28. 3.3105 km SE of Akhiok, Alaska · 1853 days ago · 25 km deep · 85 km away
  29. 1.953 km SW of Karluk, Alaska · 1852 days ago · 61 km deep · 80 km away
  30. 2.035 km SSE of Akhiok, Alaska · 1847 days ago · 26 km deep · 18 km away
  31. 1.9128 km SSW of Akhiok, Alaska · 1847 days ago · 7 km deep · 98 km away
  32. 2.462 km SSW of Akhiok, Alaska · 1841 days ago · 45 km deep · 28 km away
  33. 2.154 km W of Akhiok, Alaska · 1840 days ago · 7 km deep · 61 km away
  34. 1.843 km WSW of Akhiok, Alaska · 1832 days ago · 46 km deep · 42 km away
  35. 2.247 km SW of Karluk, Alaska · 1831 days ago · 45 km deep · 87 km away
  36. 1.514 km WSW of Akhiok, Alaska · 1831 days ago · 8 km deep · 31 km away
  37. 2.179 km W of Akhiok, Alaska · 1831 days ago · 68 km deep · 84 km away

Before

  1. 2.5Kodiak Island region, Alaska · 1890 days ago · 26 km deep · 81 km away
  2. 2.762 km SW of Akhiok, Alaska · 1890 days ago · 10 km deep · 49 km away
  3. 2.130 km ESE of Old Harbor, Alaska · 1890 days ago · 9 km deep · 99 km away
  4. 2.070 km SW of Akhiok, Alaska · 1890 days ago · 33 km deep · 53 km away
  5. 2.831 km NNW of Akhiok, Alaska · 1891 days ago · 35 km deep · 68 km away
  6. 3.757 km WSW of Akhiok, Alaska · 1894 days ago · 41 km deep · 55 km away
  7. 1.918 km NNW of Old Harbor, Alaska · 1896 days ago · 20 km deep · 94 km away
  8. 2.048 km WSW of Akhiok, Alaska · 1897 days ago · 48 km deep · 54 km away
  9. 1.925 km WNW of Akhiok, Alaska · 1898 days ago · 19 km deep · 54 km away
  10. 2.5111 km SSE of Akhiok, Alaska · 1902 days ago · 33 km deep · 82 km away
  11. 1.576 km SW of Karluk, Alaska · 1902 days ago · 69 km deep · 97 km away
  12. 1.9110 km SSE of Akhiok, Alaska · 1902 days ago · 31 km deep · 83 km away
  13. 3.021 km SSE of Karluk, Alaska · 1902 days ago · 38 km deep · 88 km away
  14. 2.217 km SW of Akhiok, Alaska · 1903 days ago · 47 km deep · 29 km away
  15. 1.8Kodiak Island region, Alaska · 1903 days ago · 39 km deep · 96 km away
  16. 1.756 km W of Akhiok, Alaska · 1904 days ago · 15 km deep · 61 km away
  17. 1.7112 km SSW of Akhiok, Alaska · 1907 days ago · 17 km deep · 78 km away
  18. 1.537 km W of Akhiok, Alaska · 1908 days ago · 2 km deep · 49 km away
  19. 1.620 km SW of Old Harbor, Alaska · 1911 days ago · 25 km deep · 65 km away
  20. 2.03 km SSE of Akhiok, Alaska · 1913 days ago · 41 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219qwan0b. Read Fri, Oct 2, 2026, 11:51 PM UTC.