Alaska earthquakes

M1.6 earthquake 32 km SW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 32 km SW of Unalaska, Alaska on Mon, Jul 12, 2021, 12:40 AM AKDT (08:40 UTC), 80 km (50 mi) below the surface.

A larger quake followed: M2.0 83 km SE of Unalaska, Alaska. This one was a foreshock.

Unalaska 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
2021-07-12 08:40:39 UTC
Depth
80.3 km (49.9 mi), intermediate-depth
Epicenter
53.657° N, 166.871° 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
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 70 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 1.619 km SE of Unalaska, Alaska · 1899 days ago · 78 km deep · 40 km away
  2. 2.083 km SE of Unalaska, Alaska · 1898 days ago · 37 km deep · 84 km away
  3. 1.840 km S of Unalaska, Alaska · 1897 days ago · 61 km deep · 32 km away
  4. 1.63 km NNW of Dutch Harbor, Alaska · 1897 days ago · 5 km deep · 36 km away
  5. 1.678 km S of Akutan, Alaska · 1896 days ago · 20 km deep · 89 km away
  6. 1.786 km S of Unalaska, Alaska · 1896 days ago · 31 km deep · 61 km away
  7. 2.731 km S of Unalaska, Alaska · 1894 days ago · 62 km deep · 24 km away
  8. 1.719 km W of Dutch Harbor, Alaska · 1894 days ago · 4 km deep · 25 km away
  9. 1.5Fox Islands, Aleutian Islands, Alaska · 1893 days ago · 91 km deep · 19 km away
  10. 2.16 km SE of Akutan, Alaska · 1893 days ago · 114 km deep · 91 km away
  11. 2.092 km SW of Unalaska, Alaska · 1893 days ago · 60 km deep · 60 km away
  12. 2.223 km W of Akutan, Alaska · 1892 days ago · 142 km deep · 70 km away
  13. 2.365 km SW of Unalaska, Alaska · 1890 days ago · 13 km deep · 34 km away
  14. 1.658 km SE of Unalaska, Alaska · 1890 days ago · 78 km deep · 70 km away
  15. 1.967 km SE of Unalaska, Alaska · 1888 days ago · 23 km deep · 75 km away
  16. 1.946 km S of Akutan, Alaska · 1886 days ago · 54 km deep · 72 km away
  17. 1.597 km SSW of Unalaska, Alaska · 1885 days ago · 47 km deep · 65 km away
  18. 2.781 km S of Unalaska, Alaska · 1884 days ago · 35 km deep · 58 km away
  19. 1.720 km SSE of Unalaska, Alaska · 1884 days ago · 73 km deep · 32 km away
  20. 2.061 km WSW of Unalaska, Alaska · 1881 days ago · 109 km deep · 34 km away
  21. 1.5103 km E of Nikolski, Alaska · 1881 days ago · 48 km deep · 89 km away
  22. 1.575 km SW of Unalaska, Alaska · 1880 days ago · 68 km deep · 43 km away
  23. 2.055 km SW of Unalaska, Alaska · 1879 days ago · 18 km deep · 23 km away
  24. 1.783 km SSW of Unalaska, Alaska · 1879 days ago · 47 km deep · 53 km away
  25. 2.640 km SSE of Unalaska, Alaska · 1877 days ago · 75 km deep · 37 km away
  26. 1.673 km SW of Unalaska, Alaska · 1877 days ago · 70 km deep · 41 km away
  27. 1.738 km SSE of Akutan, Alaska · 1876 days ago · 62 km deep · 86 km away
  28. 3.524 km ESE of Unalaska, Alaska · 1876 days ago · 86 km deep · 46 km away
  29. 3.094 km SSW of Unalaska, Alaska · 1876 days ago · 35 km deep · 67 km away
  30. 3.588 km SSW of Unalaska, Alaska · 1876 days ago · 35 km deep · 60 km away
  31. 1.688 km SSW of Unalaska, Alaska · 1876 days ago · 26 km deep · 60 km away
  32. 1.789 km SSW of Unalaska, Alaska · 1875 days ago · 26 km deep · 61 km away
  33. 3.426 km ESE of Unalaska, Alaska · 1874 days ago · 83 km deep · 46 km away
  34. 2.0100 km E of Nikolski, Alaska · 1874 days ago · 26 km deep · 94 km away
  35. 1.949 km SSE of Unalaska, Alaska · 1873 days ago · 60 km deep · 50 km away
  36. 1.792 km E of Nikolski, Alaska · 1871 days ago · 26 km deep · 86 km away
  37. 1.582 km SSW of Unalaska, Alaska · 1871 days ago · 25 km deep · 54 km away
  38. 1.658 km SW of Unalaska, Alaska · 1870 days ago · 74 km deep · 26 km away
  39. 1.669 km SE of Unalaska, Alaska · 1870 days ago · 26 km deep · 77 km away
  40. 2.615 km ESE of Akutan, Alaska · 1868 days ago · 82 km deep · 98 km away
  41. 1.743 km SW of Unalaska, Alaska · 1866 days ago · 8 km deep · 11 km away
  42. 1.786 km SSW of Unalaska, Alaska · 1866 days ago · 26 km deep · 60 km away
  43. 1.5Fox Islands, Aleutian Islands, Alaska · 1863 days ago · 42 km deep · 49 km away
  44. 1.595 km E of Nikolski, Alaska · 1862 days ago · 49 km deep · 91 km away
  45. 2.721 km S of Akutan, Alaska · 1861 days ago · 87 km deep · 78 km away
  46. 1.617 km SSW of Unalaska, Alaska · 1859 days ago · 77 km deep · 19 km away
  47. 1.629 km SSE of Akutan, Alaska · 1859 days ago · 64 km deep · 83 km away
  48. 1.861 km SSE of Akutan, Alaska · 1858 days ago · 63 km deep · 93 km away
  49. 1.954 km SW of Unalaska, Alaska · 1858 days ago · 13 km deep · 23 km away
  50. 2.661 km SSE of Unalaska, Alaska · 1858 days ago · 35 km deep · 60 km away
  51. 1.767 km SE of Unalaska, Alaska · 1856 days ago · 26 km deep · 74 km away
  52. 1.518 km S of Akutan, Alaska · 1853 days ago · 79 km deep · 79 km away
  53. 1.628 km WSW of Unalaska, Alaska · 1852 days ago · 111 km deep · 9 km away
  54. 2.753 km SSE of Akutan, Alaska · 1852 days ago · 39 km deep · 99 km away
  55. 2.066 km SW of Unalaska, Alaska · 1852 days ago · 14 km deep · 34 km away
  56. 2.218 km SSE of Unalaska, Alaska · 1850 days ago · 115 km deep · 33 km away
  57. 1.984 km E of Nikolski, Alaska · 1850 days ago · 53 km deep · 94 km away
  58. 1.688 km SSW of Unalaska, Alaska · 1849 days ago · 24 km deep · 59 km away
  59. 2.674 km SSW of Unalaska, Alaska · 1849 days ago · 55 km deep · 48 km away
  60. 2.948 km SW of Unalaska, Alaska · 1847 days ago · 96 km deep · 16 km away

The first 60 of 70.

Before

  1. 1.8Fox Islands, Aleutian Islands, Alaska · 1900 days ago · 44 km deep · 73 km away
  2. 2.181 km SSW of Unalaska, Alaska · 1900 days ago · 26 km deep · 55 km away
  3. 1.686 km SSE of Unalaska, Alaska · 1901 days ago · 17 km deep · 78 km away
  4. 1.679 km S of Unalaska, Alaska · 1901 days ago · 18 km deep · 56 km away
  5. 1.638 km SSE of Akutan, Alaska · 1901 days ago · 90 km deep · 89 km away
  6. 1.591 km SSW of Unalaska, Alaska · 1902 days ago · 42 km deep · 59 km away
  7. 1.876 km E of Nikolski, Alaska · 1902 days ago · 36 km deep · 98 km away
  8. 2.832 km SE of Unalaska, Alaska · 1902 days ago · 62 km deep · 40 km away
  9. 1.728 km E of Unalaska, Alaska · 1902 days ago · 80 km deep · 56 km away
  10. 1.746 km SE of Unalaska, Alaska · 1903 days ago · 56 km deep · 54 km away
  11. 2.075 km SW of Unalaska, Alaska · 1903 days ago · 63 km deep · 42 km away
  12. 1.695 km SW of Unalaska, Alaska · 1903 days ago · 36 km deep · 63 km away
  13. 1.581 km SW of Unalaska, Alaska · 1903 days ago · 13 km deep · 48 km away
  14. 2.414 km S of Akutan, Alaska · 1905 days ago · 103 km deep · 80 km away
  15. 1.954 km SE of Unalaska, Alaska · 1906 days ago · 45 km deep · 58 km away
  16. 2.722 km W of Dutch Harbor, Alaska · 1907 days ago · 6 km deep · 28 km away
  17. 2.075 km SSW of Unalaska, Alaska · 1908 days ago · 33 km deep · 49 km away
  18. 2.623 km WSW of Akutan, Alaska · 1908 days ago · 110 km deep · 68 km away
  19. 4.781 km SSW of Unalaska, Alaska · 1908 days ago · 47 km deep · 54 km away · felt by 3
  20. 3.5101 km SSW of Unalaska, Alaska · 1908 days ago · 35 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0218vbq3zh. Read Wed, Sep 23, 2026, 6:07 PM UTC.