Alaska earthquakes

M2.0 earthquake 55 km SW of Unalaska, Alaska

A magnitude 2.0 earthquake struck 55 km SW of Unalaska, Alaska on Sun, Aug 1, 2021, 4:19 AM AKDT (12:19 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.6 70 km E of Nikolski, 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
2.0 (ml), micro
Local time
UTC
2021-08-01 12:19:29 UTC
Depth
17.7 km (11.0 mi), shallow
Epicenter
53.528° N, 167.138° 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
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 1.783 km SSW of Unalaska, Alaska · 1883 days ago · 47 km deep · 36 km away
  2. 2.640 km SSE of Unalaska, Alaska · 1881 days ago · 75 km deep · 52 km away
  3. 1.673 km SW of Unalaska, Alaska · 1880 days ago · 70 km deep · 18 km away
  4. 3.524 km ESE of Unalaska, Alaska · 1880 days ago · 86 km deep · 68 km away
  5. 3.094 km SSW of Unalaska, Alaska · 1879 days ago · 35 km deep · 56 km away
  6. 3.588 km SSW of Unalaska, Alaska · 1879 days ago · 35 km deep · 46 km away
  7. 1.688 km SSW of Unalaska, Alaska · 1879 days ago · 26 km deep · 47 km away
  8. 1.789 km SSW of Unalaska, Alaska · 1879 days ago · 26 km deep · 49 km away
  9. 3.426 km ESE of Unalaska, Alaska · 1878 days ago · 83 km deep · 68 km away
  10. 2.0100 km E of Nikolski, Alaska · 1877 days ago · 26 km deep · 76 km away
  11. 1.949 km SSE of Unalaska, Alaska · 1876 days ago · 60 km deep · 65 km away
  12. 1.792 km E of Nikolski, Alaska · 1875 days ago · 26 km deep · 66 km away
  13. 1.582 km SSW of Unalaska, Alaska · 1874 days ago · 25 km deep · 42 km away
  14. 1.658 km SW of Unalaska, Alaska · 1874 days ago · 74 km deep · 12 km away
  15. 1.669 km SE of Unalaska, Alaska · 1873 days ago · 26 km deep · 92 km away
  16. 1.585 km ESE of Nikolski, Alaska · 1872 days ago · 26 km deep · 92 km away
  17. 1.743 km SW of Unalaska, Alaska · 1870 days ago · 8 km deep · 12 km away
  18. 1.786 km SSW of Unalaska, Alaska · 1870 days ago · 26 km deep · 50 km away
  19. 1.962 km E of Nikolski, Alaska · 1867 days ago · 67 km deep · 84 km away
  20. 1.5Fox Islands, Aleutian Islands, Alaska · 1867 days ago · 42 km deep · 61 km away
  21. 4.086 km E of Nikolski, Alaska · 1867 days ago · 35 km deep · 82 km away
  22. 4.670 km E of Nikolski, Alaska · 1867 days ago · 43 km deep · 78 km away · felt by 1
  23. 1.595 km E of Nikolski, Alaska · 1866 days ago · 49 km deep · 71 km away
  24. 1.617 km SSW of Unalaska, Alaska · 1863 days ago · 77 km deep · 41 km away
  25. 1.768 km E of Nikolski, Alaska · 1863 days ago · 30 km deep · 84 km away
  26. 1.954 km SW of Unalaska, Alaska · 1862 days ago · 13 km deep · 7 km away
  27. 2.661 km SSE of Unalaska, Alaska · 1861 days ago · 35 km deep · 72 km away
  28. 1.767 km SE of Unalaska, Alaska · 1859 days ago · 26 km deep · 89 km away
  29. 1.757 km ESE of Nikolski, Alaska · 1859 days ago · 26 km deep · 99 km away
  30. 1.628 km WSW of Unalaska, Alaska · 1856 days ago · 111 km deep · 28 km away
  31. 2.066 km SW of Unalaska, Alaska · 1856 days ago · 14 km deep · 12 km away
  32. 1.789 km E of Nikolski, Alaska · 1855 days ago · 25 km deep · 81 km away
  33. 2.218 km SSE of Unalaska, Alaska · 1854 days ago · 115 km deep · 54 km away
  34. 1.984 km E of Nikolski, Alaska · 1853 days ago · 53 km deep · 73 km away
  35. 1.688 km SSW of Unalaska, Alaska · 1853 days ago · 24 km deep · 44 km away
  36. 2.674 km SSW of Unalaska, Alaska · 1853 days ago · 55 km deep · 40 km away
  37. 2.948 km SW of Unalaska, Alaska · 1851 days ago · 96 km deep · 10 km away
  38. 3.174 km NNE of Nikolski, Alaska · 1851 days ago · 133 km deep · 88 km away
  39. 2.9103 km ESE of Nikolski, Alaska · 1851 days ago · 25 km deep · 88 km away
  40. 1.570 km SW of Unalaska, Alaska · 1850 days ago · 31 km deep · 17 km away
  41. 2.863 km SSW of Unalaska, Alaska · 1849 days ago · 67 km deep · 23 km away
  42. 3.6127 km S of Unalaska, Alaska · 1847 days ago · 7 km deep · 92 km away
  43. 2.184 km S of Unalaska, Alaska · 1847 days ago · 26 km deep · 50 km away
  44. 1.6124 km S of Unalaska, Alaska · 1847 days ago · 2 km deep · 88 km away
  45. 1.645 km ESE of Unalaska, Alaska · 1844 days ago · 63 km deep · 84 km away
  46. 1.552 km SW of Unalaska, Alaska · 1844 days ago · 14 km deep · 5 km away
  47. 1.578 km SW of Unalaska, Alaska · 1844 days ago · 31 km deep · 24 km away
  48. 1.8102 km E of Nikolski, Alaska · 1843 days ago · 25 km deep · 72 km away
  49. 1.620 km WSW of Dutch Harbor, Alaska · 1837 days ago · 7 km deep · 40 km away
  50. 1.521 km WSW of Dutch Harbor, Alaska · 1837 days ago · 7 km deep · 39 km away
  51. 1.621 km WSW of Dutch Harbor, Alaska · 1837 days ago · 7 km deep · 40 km away
  52. 1.720 km WSW of Dutch Harbor, Alaska · 1837 days ago · 6 km deep · 40 km away
  53. 1.652 km SE of Unalaska, Alaska · 1836 days ago · 25 km deep · 72 km away
  54. 1.651 km SW of Unalaska, Alaska · 1836 days ago · 15 km deep · 5 km away
  55. 1.981 km SSE of Unalaska, Alaska · 1836 days ago · 25 km deep · 83 km away
  56. 3.457 km SSE of Unalaska, Alaska · 1831 days ago · 43 km deep · 72 km away
  57. 2.098 km E of Nikolski, Alaska · 1831 days ago · 26 km deep · 73 km away
  58. 2.684 km S of Unalaska, Alaska · 1830 days ago · 35 km deep · 51 km away
  59. 1.818 km WSW of Dutch Harbor, Alaska · 1829 days ago · 7 km deep · 41 km away
  60. 1.820 km WSW of Dutch Harbor, Alaska · 1829 days ago · 5 km deep · 39 km away

The first 60 of 68.

Before

  1. 1.575 km SW of Unalaska, Alaska · 1884 days ago · 68 km deep · 20 km away
  2. 1.5103 km E of Nikolski, Alaska · 1884 days ago · 48 km deep · 70 km away
  3. 2.061 km WSW of Unalaska, Alaska · 1884 days ago · 109 km deep · 20 km away
  4. 1.720 km SSE of Unalaska, Alaska · 1888 days ago · 73 km deep · 53 km away
  5. 2.781 km S of Unalaska, Alaska · 1888 days ago · 35 km deep · 51 km away
  6. 1.597 km SSW of Unalaska, Alaska · 1888 days ago · 47 km deep · 46 km away
  7. 1.946 km S of Akutan, Alaska · 1890 days ago · 54 km deep · 92 km away
  8. 1.967 km SE of Unalaska, Alaska · 1892 days ago · 23 km deep · 90 km away
  9. 1.658 km SE of Unalaska, Alaska · 1894 days ago · 78 km deep · 87 km away
  10. 2.365 km SW of Unalaska, Alaska · 1894 days ago · 13 km deep · 12 km away
  11. 2.223 km W of Akutan, Alaska · 1896 days ago · 142 km deep · 93 km away
  12. 2.092 km SW of Unalaska, Alaska · 1896 days ago · 60 km deep · 38 km away
  13. 1.5Fox Islands, Aleutian Islands, Alaska · 1897 days ago · 91 km deep · 17 km away
  14. 1.719 km W of Dutch Harbor, Alaska · 1898 days ago · 4 km deep · 44 km away
  15. 2.731 km S of Unalaska, Alaska · 1898 days ago · 62 km deep · 41 km away
  16. 1.786 km S of Unalaska, Alaska · 1900 days ago · 31 km deep · 52 km away
  17. 1.6125 km S of Unalaska, Alaska · 1900 days ago · 17 km deep · 93 km away
  18. 1.63 km NNW of Dutch Harbor, Alaska · 1900 days ago · 5 km deep · 58 km away
  19. 1.840 km S of Unalaska, Alaska · 1901 days ago · 61 km deep · 46 km away
  20. 2.083 km SE of Unalaska, Alaska · 1902 days ago · 37 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219sgq9c5. Read Sun, Sep 27, 2026, 12:47 PM UTC.