Alaska earthquakes

M1.6 earthquake 20 km SW of Old Harbor, Alaska

A magnitude 1.6 earthquake struck 20 km SW of Old Harbor, Alaska on Sat, Jul 10, 2021, 2:04 AM AKDT (10:04 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M3.7 57 km WSW of Akhiok, Alaska. This one was a foreshock.

Womens Bay forecastMore in Alaska

Map

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

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-07-10 10:04:55 UTC
Depth
25.3 km (15.7 mi), shallow
Epicenter
57.078° N, 153.551° 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: 49 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.626 km NNE of Larsen Bay, Alaska · 1903 days ago · 45 km deep · 80 km away
  2. 1.537 km W of Akhiok, Alaska · 1902 days ago · 2 km deep · 77 km away
  3. 2.142 km W of Port Lions, Alaska · 1900 days ago · 48 km deep · 92 km away
  4. 1.756 km W of Akhiok, Alaska · 1898 days ago · 15 km deep · 96 km away
  5. 1.8Kodiak Island region, Alaska · 1897 days ago · 39 km deep · 70 km away
  6. 2.217 km SW of Akhiok, Alaska · 1897 days ago · 47 km deep · 57 km away
  7. 3.021 km SSE of Karluk, Alaska · 1897 days ago · 38 km deep · 57 km away
  8. 1.827 km WSW of Karluk, Alaska · 1894 days ago · 3 km deep · 94 km away
  9. 1.925 km WNW of Akhiok, Alaska · 1893 days ago · 19 km deep · 59 km away
  10. 1.634 km N of Larsen Bay, Alaska · 1892 days ago · 13 km deep · 90 km away
  11. 2.048 km WSW of Akhiok, Alaska · 1892 days ago · 48 km deep · 88 km away
  12. 1.617 km NNE of Old Harbor, Alaska · 1891 days ago · 43 km deep · 37 km away
  13. 1.918 km NNW of Old Harbor, Alaska · 1890 days ago · 20 km deep · 31 km away
  14. 3.757 km WSW of Akhiok, Alaska · 1888 days ago · 41 km deep · 97 km away
  15. 2.730 km E of Old Harbor, Alaska · 1885 days ago · 10 km deep · 47 km away
  16. 2.831 km NNW of Akhiok, Alaska · 1885 days ago · 35 km deep · 48 km away
  17. 2.130 km ESE of Old Harbor, Alaska · 1885 days ago · 9 km deep · 44 km away
  18. 1.836 km S of Akhiok, Alaska · 1884 days ago · 8 km deep · 65 km away
  19. 1.544 km SW of Akhiok, Alaska · 1883 days ago · 1 km deep · 83 km away
  20. 1.651 km W of Akhiok, Alaska · 1883 days ago · 25 km deep · 91 km away
  21. 2.827 km W of Akhiok, Alaska · 1881 days ago · 4 km deep · 66 km away
  22. 1.830 km W of Akhiok, Alaska · 1880 days ago · 20 km deep · 68 km away
  23. 1.713 km NE of Larsen Bay, Alaska · 1879 days ago · 13 km deep · 63 km away
  24. 2.010 km ESE of Karluk, Alaska · 1879 days ago · 57 km deep · 67 km away
  25. 1.821 km WSW of Womens Bay, Alaska · 1875 days ago · 47 km deep · 69 km away
  26. 1.630 km N of Akhiok, Alaska · 1873 days ago · 8 km deep · 36 km away
  27. 1.630 km SSW of Karluk, Alaska · 1873 days ago · 10 km deep · 68 km away
  28. 1.8Kodiak Island region, Alaska · 1871 days ago · 38 km deep · 34 km away
  29. 2.940 km SW of Karluk, Alaska · 1870 days ago · 51 km deep · 87 km away
  30. 1.9Kodiak Island region, Alaska · 1869 days ago · 2 km deep · 48 km away
  31. 1.520 km WNW of Karluk, Alaska · 1867 days ago · 74 km deep · 96 km away
  32. 2.431 km SW of Akhiok, Alaska · 1866 days ago · 9 km deep · 71 km away
  33. 1.657 km W of Akhiok, Alaska · 1865 days ago · 53 km deep · 97 km away
  34. 1.558 km WNW of Akhiok, Alaska · 1865 days ago · 56 km deep · 92 km away
  35. 1.962 km WNW of Akhiok, Alaska · 1864 days ago · 57 km deep · 97 km away
  36. 2.155 km SW of Akhiok, Alaska · 1863 days ago · 66 km deep · 92 km away
  37. 1.925 km SE of Larsen Bay, Alaska · 1861 days ago · 7 km deep · 33 km away
  38. 1.9Kodiak Island region, Alaska · 1860 days ago · 56 km deep · 92 km away
  39. 2.0Kodiak Island region, Alaska · 1860 days ago · 61 km deep · 98 km away
  40. 2.421 km SW of Larsen Bay, Alaska · 1858 days ago · 40 km deep · 54 km away
  41. 2.137 km WSW of Karluk, Alaska · 1855 days ago · 72 km deep · 94 km away
  42. 1.57 km WNW of Karluk, Alaska · 1855 days ago · 51 km deep · 83 km away
  43. 1.957 km SW of Akhiok, Alaska · 1855 days ago · 32 km deep · 97 km away
  44. 1.75 km N of Karluk, Alaska · 1851 days ago · 47 km deep · 80 km away
  45. 1.831 km E of Akhiok, Alaska · 1851 days ago · 31 km deep · 18 km away
  46. 1.659 km SE of Akhiok, Alaska · 1850 days ago · 2 km deep · 62 km away
  47. 1.732 km S of Karluk, Alaska · 1848 days ago · 43 km deep · 65 km away
  48. 3.3105 km SE of Akhiok, Alaska · 1848 days ago · 25 km deep · 97 km away
  49. 1.953 km SW of Karluk, Alaska · 1846 days ago · 61 km deep · 87 km away

Before

  1. 2.117 km NNE of Karluk, Alaska · 1906 days ago · 70 km deep · 84 km away
  2. 1.5Kodiak Island region, Alaska · 1907 days ago · 53 km deep · 96 km away
  3. 2.03 km SSE of Akhiok, Alaska · 1908 days ago · 41 km deep · 41 km away
  4. 2.833 km NNE of Akhiok, Alaska · 1911 days ago · 53 km deep · 36 km away
  5. 1.840 km NW of Akhiok, Alaska · 1912 days ago · 42 km deep · 65 km away
  6. 1.857 km WNW of Akhiok, Alaska · 1912 days ago · 50 km deep · 91 km away
  7. 1.628 km SSW of Larsen Bay, Alaska · 1914 days ago · 29 km deep · 40 km away
  8. 4.360 km S of Akhiok, Alaska · 1916 days ago · 20 km deep · 87 km away · tsunami flag
  9. 2.133 km WSW of Karluk, Alaska · 1916 days ago · 8 km deep · 90 km away
  10. 2.157 km WNW of Akhiok, Alaska · 1918 days ago · 33 km deep · 91 km away
  11. 1.732 km SSW of Womens Bay, Alaska · 1926 days ago · 10 km deep · 58 km away
  12. 2.311 km ESE of Womens Bay, Alaska · 1929 days ago · 32 km deep · 91 km away
  13. 2.627 km SW of Chiniak, Alaska · 1931 days ago · 27 km deep · 70 km away
  14. 1.838 km SW of Akhiok, Alaska · 1931 days ago · 1 km deep · 78 km away
  15. 1.555 km WNW of Akhiok, Alaska · 1932 days ago · 35 km deep · 89 km away
  16. 2.625 km E of Old Harbor, Alaska · 1932 days ago · 36 km deep · 43 km away
  17. 3.198 km SE of Old Harbor, Alaska · 1933 days ago · 10 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0218s1mliv. Read Sun, Sep 27, 2026, 11:03 AM UTC.