Alaska earthquakes

M1.6 earthquake 63 km SW of Nikolski, Alaska

A magnitude 1.6 earthquake struck 63 km SW of Nikolski, Alaska on Sun, Jul 25, 2021, 12:51 AM AKDT (08:51 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.2 74 km WNW of Nikolski, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2021-07-25 08:51:28 UTC
Depth
27.0 km (16.8 mi), shallow
Epicenter
52.495° N, 169.459° 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
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 63 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 2.1102 km SSW of Nikolski, Alaska · 1893 days ago · 36 km deep · 47 km away
  2. 2.384 km SSE of Nikolski, Alaska · 1892 days ago · 38 km deep · 73 km away
  3. 2.747 km SE of Nikolski, Alaska · 1892 days ago · 33 km deep · 80 km away
  4. 4.274 km WNW of Nikolski, Alaska · 1890 days ago · 112 km deep · 75 km away
  5. 2.756 km ESE of Nikolski, Alaska · 1890 days ago · 32 km deep · 93 km away
  6. 2.051 km WSW of Nikolski, Alaska · 1889 days ago · 13 km deep · 25 km away
  7. 1.8Fox Islands, Aleutian Islands, Alaska · 1887 days ago · 12 km deep · 45 km away
  8. 2.149 km SW of Nikolski, Alaska · 1887 days ago · 13 km deep · 21 km away
  9. 2.8130 km SSW of Nikolski, Alaska · 1887 days ago · 28 km deep · 74 km away
  10. 2.3139 km WSW of Nikolski, Alaska · 1886 days ago · 67 km deep · 88 km away
  11. 2.649 km SSE of Nikolski, Alaska · 1884 days ago · 30 km deep · 59 km away
  12. 2.249 km ESE of Nikolski, Alaska · 1884 days ago · 26 km deep · 94 km away
  13. 2.775 km SW of Nikolski, Alaska · 1884 days ago · 35 km deep · 14 km away
  14. 2.2Fox Islands, Aleutian Islands, Alaska · 1884 days ago · 20 km deep · 6 km away
  15. 3.444 km SE of Nikolski, Alaska · 1882 days ago · 41 km deep · 72 km away
  16. 3.1140 km SW of Nikolski, Alaska · 1882 days ago · 21 km deep · 78 km away
  17. 2.956 km SW of Nikolski, Alaska · 1877 days ago · 34 km deep · 16 km away
  18. 3.942 km WNW of Nikolski, Alaska · 1877 days ago · 136 km deep · 59 km away
  19. 2.778 km SSW of Nikolski, Alaska · 1877 days ago · 35 km deep · 16 km away
  20. 1.730 km SSE of Nikolski, Alaska · 1876 days ago · 44 km deep · 59 km away
  21. 1.9130 km SW of Nikolski, Alaska · 1876 days ago · 21 km deep · 68 km away
  22. 1.985 km SSW of Nikolski, Alaska · 1875 days ago · 30 km deep · 31 km away
  23. 2.093 km WSW of Nikolski, Alaska · 1874 days ago · 3 km deep · 48 km away
  24. 1.996 km WSW of Nikolski, Alaska · 1874 days ago · 5 km deep · 43 km away
  25. 3.025 km S of Nikolski, Alaska · 1874 days ago · 36 km deep · 51 km away
  26. 2.1112 km SW of Nikolski, Alaska · 1873 days ago · 33 km deep · 50 km away
  27. 1.633 km ESE of Nikolski, Alaska · 1872 days ago · 29 km deep · 83 km away
  28. 1.639 km SE of Nikolski, Alaska · 1872 days ago · 21 km deep · 72 km away
  29. 2.294 km WSW of Nikolski, Alaska · 1868 days ago · 2 km deep · 54 km away
  30. 2.097 km WSW of Nikolski, Alaska · 1868 days ago · 5 km deep · 55 km away
  31. 3.194 km SW of Nikolski, Alaska · 1868 days ago · 10 km deep · 31 km away
  32. 3.7157 km SW of Nikolski, Alaska · 1868 days ago · 25 km deep · 96 km away
  33. 2.047 km SW of Nikolski, Alaska · 1868 days ago · 5 km deep · 23 km away
  34. 3.268 km SW of Nikolski, Alaska · 1865 days ago · 87 km deep · 11 km away
  35. 3.696 km SSE of Nikolski, Alaska · 1865 days ago · 10 km deep · 81 km away
  36. 2.3127 km SW of Nikolski, Alaska · 1864 days ago · 33 km deep · 68 km away
  37. 2.756 km SE of Nikolski, Alaska · 1863 days ago · 35 km deep · 89 km away
  38. 1.840 km ESE of Nikolski, Alaska · 1863 days ago · 48 km deep · 85 km away
  39. 3.627 km WSW of Nikolski, Alaska · 1863 days ago · 80 km deep · 44 km away
  40. 4.251 km SE of Nikolski, Alaska · 1863 days ago · 49 km deep · 77 km away
  41. 1.529 km E of Nikolski, Alaska · 1862 days ago · 53 km deep · 84 km away
  42. 2.850 km SW of Nikolski, Alaska · 1862 days ago · 10 km deep · 13 km away
  43. 2.784 km SW of Nikolski, Alaska · 1861 days ago · 25 km deep · 22 km away
  44. 1.954 km S of Nikolski, Alaska · 1861 days ago · 27 km deep · 37 km away
  45. 2.957 km W of Nikolski, Alaska · 1860 days ago · 11 km deep · 54 km away
  46. 1.857 km ESE of Nikolski, Alaska · 1859 days ago · 37 km deep · 92 km away
  47. 4.041 km ESE of Nikolski, Alaska · 1859 days ago · 53 km deep · 88 km away
  48. 1.965 km SSW of Nikolski, Alaska · 1859 days ago · 40 km deep · 7 km away
  49. 2.055 km SE of Nikolski, Alaska · 1857 days ago · 19 km deep · 81 km away
  50. 1.741 km SSE of Nikolski, Alaska · 1856 days ago · 45 km deep · 56 km away
  51. 2.4152 km WSW of Nikolski, Alaska · 1853 days ago · 60 km deep · 99 km away
  52. 2.115 km NNE of Nikolski, Alaska · 1852 days ago · 100 km deep · 79 km away
  53. 3.3112 km SW of Nikolski, Alaska · 1852 days ago · 35 km deep · 48 km away
  54. 1.930 km SSW of Nikolski, Alaska · 1851 days ago · 19 km deep · 36 km away
  55. 2.6139 km WSW of Nikolski, Alaska · 1849 days ago · 88 km deep · 97 km away
  56. 2.071 km SE of Nikolski, Alaska · 1849 days ago · 25 km deep · 83 km away
  57. 3.220 km SSE of Nikolski, Alaska · 1847 days ago · 83 km deep · 61 km away
  58. 3.367 km SW of Nikolski, Alaska · 1843 days ago · 35 km deep · 4 km away
  59. 3.195 km SSW of Nikolski, Alaska · 1840 days ago · 7 km deep · 38 km away
  60. 2.380 km SE of Nikolski, Alaska · 1839 days ago · 25 km deep · 98 km away

The first 60 of 63.

Before

  1. 2.544 km SW of Nikolski, Alaska · 1894 days ago · 33 km deep · 20 km away
  2. 1.857 km SW of Nikolski, Alaska · 1895 days ago · 32 km deep · 13 km away
  3. 2.4144 km SW of Nikolski, Alaska · 1895 days ago · 19 km deep · 82 km away
  4. 3.8123 km SSW of Nikolski, Alaska · 1895 days ago · 10 km deep · 68 km away
  5. 2.9160 km SW of Nikolski, Alaska · 1896 days ago · 0 km deep · 97 km away
  6. 2.061 km ESE of Nikolski, Alaska · 1896 days ago · 19 km deep · 94 km away
  7. 2.228 km E of Nikolski, Alaska · 1896 days ago · 92 km deep · 85 km away
  8. 2.249 km ESE of Nikolski, Alaska · 1897 days ago · 27 km deep · 87 km away
  9. 2.1Fox Islands, Aleutian Islands, Alaska · 1898 days ago · 25 km deep · 14 km away
  10. 3.451 km SW of Nikolski, Alaska · 1899 days ago · 17 km deep · 13 km away
  11. 2.315 km S of Nikolski, Alaska · 1901 days ago · 62 km deep · 51 km away
  12. 1.847 km ESE of Nikolski, Alaska · 1904 days ago · 32 km deep · 86 km away
  13. 2.8114 km SW of Nikolski, Alaska · 1904 days ago · 26 km deep · 51 km away
  14. 1.533 km SSE of Nikolski, Alaska · 1904 days ago · 41 km deep · 62 km away
  15. 2.8112 km SSW of Nikolski, Alaska · 1905 days ago · 35 km deep · 50 km away
  16. 3.8106 km SW of Nikolski, Alaska · 1905 days ago · 44 km deep · 43 km away
  17. 2.514 km SSE of Nikolski, Alaska · 1910 days ago · 65 km deep · 59 km away
  18. 2.231 km SSE of Nikolski, Alaska · 1912 days ago · 75 km deep · 58 km away
  19. 3.088 km WSW of Nikolski, Alaska · 1914 days ago · 144 km deep · 50 km away
  20. 3.863 km W of Nikolski, Alaska · 1915 days ago · 136 km deep · 65 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219gtrya7. Read Thu, Oct 1, 2026, 12:06 AM UTC.