Alaska earthquakes

M1.8 earthquake 49 km S of Adak, Alaska

A magnitude 1.8 earthquake struck 49 km S of Adak, Alaska on Mon, Jul 5, 2021, 12:28 AM HADT (09:28 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M5.0 49 km ESE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-07-05 09:28:06 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.426° N, 176.591° 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
22

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 1.758 km SE of Adak, Alaska · 1907 days ago · 17 km deep · 37 km away
  2. 1.9100 km WSW of Adak, Alaska · 1907 days ago · 62 km deep · 95 km away
  3. 1.864 km WSW of Adak, Alaska · 1907 days ago · 10 km deep · 74 km away
  4. 3.753 km SSW of Adak, Alaska · 1906 days ago · 49 km deep · 22 km away
  5. 2.332 km SE of Adak, Alaska · 1906 days ago · 50 km deep · 30 km away
  6. 3.041 km S of Adak, Alaska · 1904 days ago · 36 km deep · 11 km away
  7. 2.051 km S of Adak, Alaska · 1904 days ago · 21 km deep · 5 km away
  8. 2.282 km SE of Adak, Alaska · 1904 days ago · 26 km deep · 66 km away
  9. 1.592 km WSW of Adak, Alaska · 1904 days ago · 39 km deep · 84 km away
  10. 1.639 km SSW of Adak, Alaska · 1903 days ago · 32 km deep · 19 km away
  11. 1.659 km SSW of Adak, Alaska · 1903 days ago · 26 km deep · 22 km away
  12. 1.648 km S of Adak, Alaska · 1903 days ago · 13 km deep · 4 km away
  13. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1902 days ago · 16 km deep · 96 km away
  14. 1.569 km SE of Adak, Alaska · 1902 days ago · 22 km deep · 55 km away
  15. 1.560 km S of Adak, Alaska · 1902 days ago · 29 km deep · 17 km away
  16. 2.350 km NE of Adak, Alaska · 1902 days ago · 201 km deep · 91 km away
  17. 1.782 km ESE of Adak, Alaska · 1902 days ago · 26 km deep · 71 km away
  18. 1.580 km ESE of Adak, Alaska · 1902 days ago · 25 km deep · 70 km away
  19. 2.1110 km SE of Adak, Alaska · 1902 days ago · 13 km deep · 73 km away
  20. 5.049 km ESE of Adak, Alaska · 1901 days ago · 58 km deep · 60 km away · felt by 3
  21. 2.955 km ESE of Adak, Alaska · 1901 days ago · 44 km deep · 56 km away
  22. 2.462 km ESE of Adak, Alaska · 1901 days ago · 32 km deep · 55 km away
  23. 2.653 km ESE of Adak, Alaska · 1901 days ago · 43 km deep · 56 km away
  24. 3.059 km ESE of Adak, Alaska · 1900 days ago · 38 km deep · 54 km away
  25. 2.857 km ESE of Adak, Alaska · 1900 days ago · 38 km deep · 54 km away
  26. 1.858 km SSE of Adak, Alaska · 1900 days ago · 18 km deep · 25 km away
  27. 1.544 km SSE of Adak, Alaska · 1900 days ago · 32 km deep · 17 km away
  28. 2.595 km WSW of Adak, Alaska · 1899 days ago · 73 km deep · 96 km away
  29. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1899 days ago · 33 km deep · 73 km away
  30. 1.944 km E of Adak, Alaska · 1899 days ago · 125 km deep · 71 km away
  31. 1.853 km ENE of Adak, Alaska · 1899 days ago · 146 km deep · 81 km away
  32. 1.780 km SSW of Adak, Alaska · 1899 days ago · 26 km deep · 48 km away
  33. 1.654 km ENE of Adak, Alaska · 1899 days ago · 170 km deep · 86 km away
  34. 1.596 km SE of Adak, Alaska · 1898 days ago · 6 km deep · 72 km away
  35. 1.742 km ENE of Adak, Alaska · 1898 days ago · 4 km deep · 78 km away
  36. 2.678 km WSW of Adak, Alaska · 1898 days ago · 71 km deep · 80 km away
  37. 1.782 km SE of Adak, Alaska · 1898 days ago · 22 km deep · 63 km away
  38. 3.380 km E of Adak, Alaska · 1896 days ago · 10 km deep · 93 km away
  39. 2.012 km W of Adak, Alaska · 1896 days ago · 81 km deep · 53 km away
  40. 1.5111 km SW of Adak, Alaska · 1896 days ago · 25 km deep · 86 km away
  41. 1.847 km E of Adak, Alaska · 1896 days ago · 155 km deep · 72 km away
  42. 1.897 km WSW of Adak, Alaska · 1895 days ago · 48 km deep · 87 km away
  43. 1.896 km WSW of Adak, Alaska · 1894 days ago · 62 km deep · 87 km away
  44. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1894 days ago · 26 km deep · 89 km away
  45. 1.849 km SW of Adak, Alaska · 1893 days ago · 28 km deep · 34 km away
  46. 1.617 km WSW of Adak, Alaska · 1893 days ago · 74 km deep · 47 km away
  47. 2.361 km ENE of Adak, Alaska · 1893 days ago · 101 km deep · 97 km away
  48. 2.6104 km SE of Adak, Alaska · 1892 days ago · 2 km deep · 71 km away
  49. 2.246 km S of Adak, Alaska · 1892 days ago · 29 km deep · 4 km away
  50. 3.694 km SSE of Adak, Alaska · 1892 days ago · 25 km deep · 46 km away
  51. 3.766 km SSE of Adak, Alaska · 1891 days ago · 37 km deep · 20 km away
  52. 1.927 km SSW of Adak, Alaska · 1891 days ago · 63 km deep · 26 km away
  53. 1.586 km SW of Adak, Alaska · 1891 days ago · 34 km deep · 73 km away
  54. 2.183 km SE of Adak, Alaska · 1891 days ago · 21 km deep · 64 km away
  55. 1.531 km SSE of Adak, Alaska · 1891 days ago · 59 km deep · 20 km away
  56. 1.679 km SSE of Adak, Alaska · 1891 days ago · 18 km deep · 33 km away
  57. 1.8110 km SW of Adak, Alaska · 1891 days ago · 19 km deep · 85 km away
  58. 1.667 km SE of Adak, Alaska · 1890 days ago · 22 km deep · 43 km away
  59. 1.815 km NE of Adak, Alaska · 1890 days ago · 99 km deep · 60 km away
  60. 2.882 km E of Adak, Alaska · 1890 days ago · 68 km deep · 95 km away

The first 60 of at least 199.

Before

  1. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1907 days ago · 26 km deep · 81 km away
  2. 1.667 km W of Adak, Alaska · 1907 days ago · 13 km deep · 89 km away
  3. 1.670 km SW of Adak, Alaska · 1907 days ago · 44 km deep · 56 km away
  4. 1.836 km ESE of Adak, Alaska · 1908 days ago · 61 km deep · 42 km away
  5. 3.638 km SW of Adak, Alaska · 1908 days ago · 73 km deep · 38 km away
  6. 3.085 km SSE of Adak, Alaska · 1908 days ago · 10 km deep · 47 km away
  7. 3.9117 km SW of Adak, Alaska · 1908 days ago · 42 km deep · 100 km away
  8. 1.757 km SE of Adak, Alaska · 1908 days ago · 13 km deep · 31 km away
  9. 1.847 km SW of Adak, Alaska · 1908 days ago · 64 km deep · 44 km away
  10. 3.446 km NNE of Adak, Alaska · 1909 days ago · 198 km deep · 95 km away
  11. 2.639 km ENE of Adak, Alaska · 1909 days ago · 96 km deep · 68 km away
  12. 1.867 km SSW of Adak, Alaska · 1909 days ago · 26 km deep · 30 km away
  13. 1.862 km SE of Adak, Alaska · 1909 days ago · 23 km deep · 43 km away
  14. 1.658 km W of Adak, Alaska · 1909 days ago · 115 km deep · 79 km away
  15. 1.648 km WSW of Adak, Alaska · 1909 days ago · 70 km deep · 59 km away
  16. 1.784 km SW of Adak, Alaska · 1910 days ago · 26 km deep · 72 km away
  17. 1.539 km SSE of Adak, Alaska · 1910 days ago · 35 km deep · 21 km away
  18. 2.029 km NE of Adak, Alaska · 1910 days ago · 125 km deep · 71 km away
  19. 1.972 km SW of Adak, Alaska · 1911 days ago · 34 km deep · 63 km away
  20. 3.2103 km ESE of Adak, Alaska · 1911 days ago · 35 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0218jrhgot. Read Thu, Sep 24, 2026, 3:40 PM UTC.