Alaska earthquakes

M1.5 earthquake 97 km SSW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 97 km SSW of Unalaska, Alaska on Mon, Jul 26, 2021, 7:38 PM AKDT (03:38 UTC), 47 km (29 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-07-27 03:38:22 UTC
Depth
46.9 km (29.1 mi), shallow
Epicenter
53.132° N, 167.313° 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
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 41 in the 30 days before it.

After

  1. 2.781 km S of Unalaska, Alaska · 1894 days ago · 35 km deep · 41 km away
  2. 1.720 km SSE of Unalaska, Alaska · 1893 days ago · 73 km deep · 89 km away
  3. 2.756 km ESE of Nikolski, Alaska · 1892 days ago · 32 km deep · 72 km away
  4. 2.061 km WSW of Unalaska, Alaska · 1890 days ago · 109 km deep · 56 km away
  5. 1.5103 km E of Nikolski, Alaska · 1890 days ago · 48 km deep · 25 km away
  6. 1.575 km SW of Unalaska, Alaska · 1889 days ago · 68 km deep · 30 km away
  7. 2.055 km SW of Unalaska, Alaska · 1889 days ago · 18 km deep · 46 km away
  8. 1.783 km SSW of Unalaska, Alaska · 1889 days ago · 47 km deep · 17 km away
  9. 2.640 km SSE of Unalaska, Alaska · 1887 days ago · 75 km deep · 77 km away
  10. 2.249 km ESE of Nikolski, Alaska · 1886 days ago · 26 km deep · 68 km away
  11. 2.0144 km ESE of Nikolski, Alaska · 1886 days ago · 25 km deep · 74 km away
  12. 1.673 km SW of Unalaska, Alaska · 1886 days ago · 70 km deep · 33 km away
  13. 3.094 km SSW of Unalaska, Alaska · 1885 days ago · 35 km deep · 29 km away
  14. 3.588 km SSW of Unalaska, Alaska · 1885 days ago · 35 km deep · 23 km away
  15. 1.688 km SSW of Unalaska, Alaska · 1885 days ago · 26 km deep · 23 km away
  16. 1.789 km SSW of Unalaska, Alaska · 1885 days ago · 26 km deep · 27 km away
  17. 3.444 km SE of Nikolski, Alaska · 1885 days ago · 41 km deep · 92 km away
  18. 2.0100 km E of Nikolski, Alaska · 1883 days ago · 26 km deep · 30 km away
  19. 1.949 km SSE of Unalaska, Alaska · 1882 days ago · 60 km deep · 86 km away
  20. 2.0137 km S of Unalaska, Alaska · 1881 days ago · 9 km deep · 64 km away
  21. 1.792 km E of Nikolski, Alaska · 1881 days ago · 26 km deep · 21 km away
  22. 1.582 km SSW of Unalaska, Alaska · 1880 days ago · 25 km deep · 26 km away
  23. 1.658 km SW of Unalaska, Alaska · 1880 days ago · 74 km deep · 39 km away
  24. 1.5141 km S of Unalaska, Alaska · 1879 days ago · 13 km deep · 67 km away
  25. 1.585 km ESE of Nikolski, Alaska · 1878 days ago · 26 km deep · 47 km away
  26. 3.5147 km ESE of Nikolski, Alaska · 1878 days ago · 18 km deep · 84 km away
  27. 1.743 km SW of Unalaska, Alaska · 1876 days ago · 8 km deep · 55 km away
  28. 1.786 km SSW of Unalaska, Alaska · 1875 days ago · 26 km deep · 32 km away
  29. 1.633 km ESE of Nikolski, Alaska · 1875 days ago · 29 km deep · 78 km away
  30. 1.639 km SE of Nikolski, Alaska · 1875 days ago · 21 km deep · 90 km away
  31. 1.962 km E of Nikolski, Alaska · 1873 days ago · 67 km deep · 46 km away
  32. 1.5Fox Islands, Aleutian Islands, Alaska · 1873 days ago · 42 km deep · 79 km away
  33. 4.086 km E of Nikolski, Alaska · 1873 days ago · 35 km deep · 37 km away
  34. 4.670 km E of Nikolski, Alaska · 1873 days ago · 43 km deep · 39 km away · felt by 1
  35. 1.595 km E of Nikolski, Alaska · 1871 days ago · 49 km deep · 26 km away
  36. 1.8151 km ESE of Nikolski, Alaska · 1870 days ago · 18 km deep · 80 km away
  37. 1.617 km SSW of Unalaska, Alaska · 1869 days ago · 77 km deep · 81 km away
  38. 1.768 km E of Nikolski, Alaska · 1869 days ago · 30 km deep · 44 km away
  39. 1.954 km SW of Unalaska, Alaska · 1867 days ago · 13 km deep · 51 km away
  40. 2.661 km SSE of Unalaska, Alaska · 1867 days ago · 35 km deep · 87 km away
  41. 2.756 km SE of Nikolski, Alaska · 1866 days ago · 35 km deep · 79 km away
  42. 1.840 km ESE of Nikolski, Alaska · 1866 days ago · 48 km deep · 76 km away
  43. 4.251 km SE of Nikolski, Alaska · 1865 days ago · 49 km deep · 90 km away
  44. 1.529 km E of Nikolski, Alaska · 1865 days ago · 53 km deep · 78 km away
  45. 1.757 km ESE of Nikolski, Alaska · 1865 days ago · 26 km deep · 60 km away
  46. 1.628 km WSW of Unalaska, Alaska · 1862 days ago · 111 km deep · 73 km away
  47. 1.857 km ESE of Nikolski, Alaska · 1862 days ago · 37 km deep · 75 km away
  48. 2.066 km SW of Unalaska, Alaska · 1861 days ago · 14 km deep · 40 km away
  49. 4.041 km ESE of Nikolski, Alaska · 1861 days ago · 53 km deep · 72 km away
  50. 1.789 km E of Nikolski, Alaska · 1860 days ago · 25 km deep · 36 km away
  51. 1.8135 km ESE of Nikolski, Alaska · 1860 days ago · 25 km deep · 78 km away
  52. 2.0152 km ESE of Nikolski, Alaska · 1860 days ago · 15 km deep · 81 km away
  53. 2.218 km SSE of Unalaska, Alaska · 1860 days ago · 115 km deep · 91 km away
  54. 2.055 km SE of Nikolski, Alaska · 1859 days ago · 19 km deep · 89 km away
  55. 1.984 km E of Nikolski, Alaska · 1859 days ago · 53 km deep · 30 km away
  56. 1.688 km SSW of Unalaska, Alaska · 1859 days ago · 24 km deep · 18 km away
  57. 2.674 km SSW of Unalaska, Alaska · 1859 days ago · 55 km deep · 35 km away
  58. 1.9140 km ESE of Nikolski, Alaska · 1858 days ago · 14 km deep · 72 km away
  59. 1.9136 km ESE of Nikolski, Alaska · 1857 days ago · 7 km deep · 62 km away
  60. 2.948 km SW of Unalaska, Alaska · 1857 days ago · 96 km deep · 50 km away

The first 60 of 91.

Before

  1. 2.747 km SE of Nikolski, Alaska · 1894 days ago · 33 km deep · 84 km away
  2. 1.6141 km ESE of Nikolski, Alaska · 1897 days ago · 11 km deep · 70 km away
  3. 2.061 km ESE of Nikolski, Alaska · 1898 days ago · 19 km deep · 76 km away
  4. 2.228 km E of Nikolski, Alaska · 1898 days ago · 92 km deep · 78 km away
  5. 2.249 km ESE of Nikolski, Alaska · 1899 days ago · 27 km deep · 77 km away
  6. 2.365 km SW of Unalaska, Alaska · 1900 days ago · 13 km deep · 42 km away
  7. 2.092 km SW of Unalaska, Alaska · 1902 days ago · 60 km deep · 15 km away
  8. 1.5Fox Islands, Aleutian Islands, Alaska · 1902 days ago · 91 km deep · 62 km away
  9. 1.719 km W of Dutch Harbor, Alaska · 1903 days ago · 4 km deep · 89 km away
  10. 2.731 km S of Unalaska, Alaska · 1904 days ago · 62 km deep · 73 km away
  11. 1.786 km S of Unalaska, Alaska · 1905 days ago · 31 km deep · 35 km away
  12. 1.847 km ESE of Nikolski, Alaska · 1906 days ago · 32 km deep · 76 km away
  13. 1.6125 km S of Unalaska, Alaska · 1906 days ago · 17 km deep · 63 km away
  14. 1.9141 km ESE of Nikolski, Alaska · 1907 days ago · 25 km deep · 82 km away
  15. 1.533 km SSE of Nikolski, Alaska · 1907 days ago · 41 km deep · 100 km away
  16. 1.840 km S of Unalaska, Alaska · 1907 days ago · 61 km deep · 72 km away
  17. 1.619 km SE of Unalaska, Alaska · 1908 days ago · 78 km deep · 98 km away
  18. 4.052 km E of Nikolski, Alaska · 1908 days ago · 45 km deep · 58 km away · felt by 1
  19. 1.632 km SW of Unalaska, Alaska · 1909 days ago · 80 km deep · 65 km away
  20. 1.8Fox Islands, Aleutian Islands, Alaska · 1909 days ago · 44 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219k1sog6. Read Sat, Oct 3, 2026, 6:10 AM UTC.