Alaska earthquakes

M1.5 earthquake 85 km ESE of Nikolski, Alaska

A magnitude 1.5 earthquake struck 85 km ESE of Nikolski, Alaska on Thu, Aug 12, 2021, 5:55 AM AKDT (13:55 UTC), 26 km (16 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
1.5 (ml), micro
Local time
UTC
2021-08-12 13:55:21 UTC
Depth
25.5 km (15.8 mi), shallow
Epicenter
52.758° N, 167.629° 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
24

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 39 in the 30 days before it.

After

  1. 3.5147 km ESE of Nikolski, Alaska · 1874 days ago · 18 km deep · 64 km away
  2. 3.025 km S of Nikolski, Alaska · 1872 days ago · 36 km deep · 79 km away
  3. 1.786 km SSW of Unalaska, Alaska · 1871 days ago · 26 km deep · 67 km away
  4. 1.633 km ESE of Nikolski, Alaska · 1871 days ago · 29 km deep · 52 km away
  5. 1.639 km SE of Nikolski, Alaska · 1871 days ago · 21 km deep · 55 km away
  6. 1.962 km E of Nikolski, Alaska · 1869 days ago · 67 km deep · 28 km away
  7. 4.086 km E of Nikolski, Alaska · 1869 days ago · 35 km deep · 10 km away
  8. 4.670 km E of Nikolski, Alaska · 1869 days ago · 43 km deep · 24 km away · felt by 1
  9. 2.6100 km SSE of Nikolski, Alaska · 1868 days ago · 35 km deep · 72 km away
  10. 1.595 km E of Nikolski, Alaska · 1867 days ago · 49 km deep · 21 km away
  11. 1.8151 km ESE of Nikolski, Alaska · 1866 days ago · 18 km deep · 66 km away
  12. 1.768 km E of Nikolski, Alaska · 1865 days ago · 30 km deep · 22 km away
  13. 1.954 km SW of Unalaska, Alaska · 1863 days ago · 13 km deep · 96 km away
  14. 3.696 km SSE of Nikolski, Alaska · 1863 days ago · 10 km deep · 91 km away
  15. 2.756 km SE of Nikolski, Alaska · 1862 days ago · 35 km deep · 38 km away
  16. 1.840 km ESE of Nikolski, Alaska · 1862 days ago · 48 km deep · 46 km away
  17. 4.251 km SE of Nikolski, Alaska · 1861 days ago · 49 km deep · 50 km away
  18. 1.529 km E of Nikolski, Alaska · 1861 days ago · 53 km deep · 57 km away
  19. 1.757 km ESE of Nikolski, Alaska · 1861 days ago · 26 km deep · 28 km away
  20. 1.954 km S of Nikolski, Alaska · 1859 days ago · 27 km deep · 94 km away
  21. 1.857 km ESE of Nikolski, Alaska · 1858 days ago · 37 km deep · 35 km away
  22. 2.066 km SW of Unalaska, Alaska · 1857 days ago · 14 km deep · 85 km away
  23. 4.041 km ESE of Nikolski, Alaska · 1857 days ago · 53 km deep · 44 km away
  24. 1.789 km E of Nikolski, Alaska · 1856 days ago · 25 km deep · 10 km away
  25. 1.8135 km ESE of Nikolski, Alaska · 1856 days ago · 25 km deep · 53 km away
  26. 2.0152 km ESE of Nikolski, Alaska · 1856 days ago · 15 km deep · 68 km away
  27. 2.055 km SE of Nikolski, Alaska · 1855 days ago · 19 km deep · 48 km away
  28. 1.984 km E of Nikolski, Alaska · 1855 days ago · 53 km deep · 19 km away
  29. 1.688 km SSW of Unalaska, Alaska · 1855 days ago · 24 km deep · 57 km away
  30. 2.674 km SSW of Unalaska, Alaska · 1855 days ago · 55 km deep · 75 km away
  31. 1.741 km SSE of Nikolski, Alaska · 1854 days ago · 45 km deep · 71 km away
  32. 1.9140 km ESE of Nikolski, Alaska · 1854 days ago · 14 km deep · 55 km away
  33. 1.9136 km ESE of Nikolski, Alaska · 1853 days ago · 7 km deep · 51 km away
  34. 2.948 km SW of Unalaska, Alaska · 1853 days ago · 96 km deep · 96 km away
  35. 2.9103 km ESE of Nikolski, Alaska · 1852 days ago · 25 km deep · 18 km away
  36. 1.570 km SW of Unalaska, Alaska · 1852 days ago · 31 km deep · 75 km away
  37. 2.863 km SSW of Unalaska, Alaska · 1851 days ago · 67 km deep · 81 km away
  38. 2.115 km NNE of Nikolski, Alaska · 1850 days ago · 100 km deep · 82 km away
  39. 3.6127 km S of Unalaska, Alaska · 1849 days ago · 7 km deep · 59 km away
  40. 2.184 km S of Unalaska, Alaska · 1849 days ago · 26 km deep · 70 km away
  41. 1.930 km SSW of Nikolski, Alaska · 1849 days ago · 19 km deep · 94 km away
  42. 1.8144 km S of Unalaska, Alaska · 1849 days ago · 26 km deep · 76 km away
  43. 1.7143 km S of Unalaska, Alaska · 1849 days ago · 21 km deep · 71 km away
  44. 1.6124 km S of Unalaska, Alaska · 1848 days ago · 2 km deep · 59 km away
  45. 2.071 km SE of Nikolski, Alaska · 1847 days ago · 25 km deep · 57 km away
  46. 1.552 km SW of Unalaska, Alaska · 1846 days ago · 14 km deep · 96 km away
  47. 1.578 km SW of Unalaska, Alaska · 1846 days ago · 31 km deep · 75 km away
  48. 3.220 km SSE of Nikolski, Alaska · 1845 days ago · 83 km deep · 72 km away
  49. 1.8102 km E of Nikolski, Alaska · 1845 days ago · 25 km deep · 24 km away
  50. 1.651 km SW of Unalaska, Alaska · 1838 days ago · 15 km deep · 97 km away
  51. 2.380 km SE of Nikolski, Alaska · 1838 days ago · 25 km deep · 44 km away
  52. 2.749 km S of Nikolski, Alaska · 1834 days ago · 13 km deep · 90 km away
  53. 2.652 km ESE of Nikolski, Alaska · 1834 days ago · 34 km deep · 36 km away
  54. 2.098 km E of Nikolski, Alaska · 1833 days ago · 26 km deep · 21 km away
  55. 2.684 km S of Unalaska, Alaska · 1832 days ago · 35 km deep · 71 km away
  56. 4.439 km ESE of Nikolski, Alaska · 1831 days ago · 39 km deep · 50 km away
  57. 1.944 km ESE of Nikolski, Alaska · 1831 days ago · 39 km deep · 46 km away
  58. 1.846 km SE of Nikolski, Alaska · 1831 days ago · 22 km deep · 45 km away
  59. 1.6Fox Islands, Aleutian Islands, Alaska · 1829 days ago · 23 km deep · 92 km away
  60. 3.2109 km SSW of Unalaska, Alaska · 1828 days ago · 29 km deep · 53 km away

The first 60 of 70.

Before

  1. 1.730 km SSE of Nikolski, Alaska · 1875 days ago · 44 km deep · 69 km away
  2. 1.5141 km S of Unalaska, Alaska · 1875 days ago · 13 km deep · 59 km away
  3. 1.658 km SW of Unalaska, Alaska · 1876 days ago · 74 km deep · 86 km away
  4. 1.582 km SSW of Unalaska, Alaska · 1876 days ago · 25 km deep · 65 km away
  5. 1.792 km E of Nikolski, Alaska · 1877 days ago · 26 km deep · 26 km away
  6. 2.0137 km S of Unalaska, Alaska · 1877 days ago · 9 km deep · 57 km away
  7. 2.0100 km E of Nikolski, Alaska · 1879 days ago · 26 km deep · 21 km away
  8. 3.444 km SE of Nikolski, Alaska · 1881 days ago · 41 km deep · 55 km away
  9. 1.789 km SSW of Unalaska, Alaska · 1881 days ago · 26 km deep · 61 km away
  10. 1.688 km SSW of Unalaska, Alaska · 1881 days ago · 26 km deep · 60 km away
  11. 3.588 km SSW of Unalaska, Alaska · 1881 days ago · 35 km deep · 60 km away
  12. 3.094 km SSW of Unalaska, Alaska · 1881 days ago · 35 km deep · 59 km away
  13. 1.673 km SW of Unalaska, Alaska · 1882 days ago · 70 km deep · 77 km away
  14. 2.0144 km ESE of Nikolski, Alaska · 1882 days ago · 25 km deep · 59 km away
  15. 2.249 km ESE of Nikolski, Alaska · 1882 days ago · 26 km deep · 36 km away
  16. 2.649 km SSE of Nikolski, Alaska · 1882 days ago · 30 km deep · 70 km away
  17. 1.783 km SSW of Unalaska, Alaska · 1885 days ago · 47 km deep · 61 km away
  18. 2.055 km SW of Unalaska, Alaska · 1885 days ago · 18 km deep · 92 km away
  19. 1.575 km SW of Unalaska, Alaska · 1885 days ago · 68 km deep · 74 km away
  20. 1.8Fox Islands, Aleutian Islands, Alaska · 1886 days ago · 12 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021aaog7j6. Read Tue, Sep 29, 2026, 6:13 AM UTC.