Alaska earthquakes

M1.7 earthquake 80 km SSW of Adak, Alaska

A magnitude 1.7 earthquake struck 80 km SSW of Adak, Alaska on Tue, Jul 13, 2021, 9:22 AM HADT (18:22 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.8 128 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2021-07-13 18:22:31 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
51.247° N, 177.222° 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
32

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 2.678 km WSW of Adak, Alaska · 1901 days ago · 71 km deep · 55 km away
  2. 1.7112 km WSW of Adak, Alaska · 1901 days ago · 30 km deep · 67 km away
  3. 1.7159 km WSW of Adak, Alaska · 1900 days ago · 20 km deep · 96 km away
  4. 2.012 km W of Adak, Alaska · 1899 days ago · 81 km deep · 77 km away
  5. 1.5111 km SW of Adak, Alaska · 1899 days ago · 25 km deep · 38 km away
  6. 1.5118 km WSW of Adak, Alaska · 1898 days ago · 32 km deep · 69 km away
  7. 2.7108 km WSW of Adak, Alaska · 1898 days ago · 26 km deep · 62 km away
  8. 1.9125 km WSW of Adak, Alaska · 1898 days ago · 25 km deep · 77 km away
  9. 1.897 km WSW of Adak, Alaska · 1898 days ago · 48 km deep · 47 km away
  10. 1.896 km WSW of Adak, Alaska · 1897 days ago · 62 km deep · 48 km away
  11. 1.9117 km WSW of Adak, Alaska · 1897 days ago · 18 km deep · 73 km away
  12. 1.6123 km WSW of Adak, Alaska · 1897 days ago · 26 km deep · 74 km away
  13. 1.849 km SW of Adak, Alaska · 1896 days ago · 28 km deep · 32 km away
  14. 1.8129 km WSW of Adak, Alaska · 1896 days ago · 6 km deep · 95 km away
  15. 1.617 km WSW of Adak, Alaska · 1895 days ago · 74 km deep · 68 km away
  16. 2.246 km S of Adak, Alaska · 1895 days ago · 29 km deep · 50 km away
  17. 3.694 km SSE of Adak, Alaska · 1895 days ago · 25 km deep · 65 km away
  18. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1894 days ago · 18 km deep · 69 km away
  19. 1.8124 km WSW of Adak, Alaska · 1894 days ago · 13 km deep · 70 km away
  20. 3.766 km SSE of Adak, Alaska · 1894 days ago · 37 km deep · 58 km away
  21. 1.927 km SSW of Adak, Alaska · 1894 days ago · 63 km deep · 54 km away
  22. 1.586 km SW of Adak, Alaska · 1894 days ago · 34 km deep · 35 km away
  23. 4.383 km W of Adak, Alaska · 1894 days ago · 8 km deep · 89 km away
  24. 2.2110 km WSW of Adak, Alaska · 1894 days ago · 13 km deep · 65 km away
  25. 1.531 km SSE of Adak, Alaska · 1894 days ago · 59 km deep · 63 km away
  26. 1.679 km SSE of Adak, Alaska · 1894 days ago · 18 km deep · 64 km away
  27. 1.8110 km SW of Adak, Alaska · 1893 days ago · 19 km deep · 37 km away
  28. 1.667 km SE of Adak, Alaska · 1893 days ago · 22 km deep · 89 km away
  29. 1.815 km NE of Adak, Alaska · 1893 days ago · 99 km deep · 95 km away
  30. 2.889 km SW of Adak, Alaska · 1892 days ago · 27 km deep · 16 km away
  31. 1.553 km S of Adak, Alaska · 1891 days ago · 25 km deep · 45 km away
  32. 1.9170 km SSW of Adak, Alaska · 1891 days ago · 26 km deep · 96 km away
  33. 4.074 km S of Adak, Alaska · 1891 days ago · 35 km deep · 55 km away
  34. 2.267 km S of Adak, Alaska · 1891 days ago · 21 km deep · 47 km away
  35. 3.662 km S of Adak, Alaska · 1891 days ago · 55 km deep · 49 km away
  36. 2.8135 km WSW of Adak, Alaska · 1891 days ago · 25 km deep · 75 km away
  37. 1.986 km S of Adak, Alaska · 1891 days ago · 26 km deep · 55 km away
  38. 1.8113 km WSW of Adak, Alaska · 1891 days ago · 48 km deep · 65 km away
  39. 2.2128 km WSW of Adak, Alaska · 1891 days ago · 35 km deep · 72 km away
  40. 4.177 km S of Adak, Alaska · 1891 days ago · 29 km deep · 54 km away
  41. 1.585 km S of Adak, Alaska · 1890 days ago · 17 km deep · 53 km away
  42. 2.370 km S of Adak, Alaska · 1890 days ago · 21 km deep · 47 km away
  43. 2.063 km WSW of Adak, Alaska · 1890 days ago · 65 km deep · 45 km away
  44. 3.869 km S of Adak, Alaska · 1890 days ago · 35 km deep · 50 km away
  45. 2.776 km S of Adak, Alaska · 1890 days ago · 20 km deep · 47 km away
  46. 1.773 km SSE of Adak, Alaska · 1890 days ago · 25 km deep · 64 km away
  47. 2.172 km S of Adak, Alaska · 1890 days ago · 26 km deep · 45 km away
  48. 1.687 km WSW of Adak, Alaska · 1889 days ago · 62 km deep · 45 km away
  49. 3.647 km SE of Adak, Alaska · 1889 days ago · 48 km deep · 78 km away
  50. 4.087 km S of Adak, Alaska · 1889 days ago · 10 km deep · 49 km away
  51. 3.889 km S of Adak, Alaska · 1889 days ago · 16 km deep · 55 km away
  52. 1.966 km WSW of Adak, Alaska · 1889 days ago · 75 km deep · 58 km away
  53. 3.892 km S of Adak, Alaska · 1889 days ago · 14 km deep · 57 km away
  54. 3.988 km S of Adak, Alaska · 1889 days ago · 23 km deep · 55 km away
  55. 2.045 km WSW of Adak, Alaska · 1888 days ago · 70 km deep · 45 km away
  56. 1.587 km S of Adak, Alaska · 1888 days ago · 39 km deep · 55 km away
  57. 2.7141 km SW of Adak, Alaska · 1888 days ago · 35 km deep · 76 km away
  58. 1.8164 km S of Adak, Alaska · 1888 days ago · 17 km deep · 98 km away
  59. 1.570 km S of Adak, Alaska · 1888 days ago · 21 km deep · 45 km away
  60. 1.715 km E of Adak, AK · 1888 days ago · 76 km deep · 87 km away

The first 60 of at least 199.

Before

  1. 2.7135 km SW of Adak, Alaska · 1902 days ago · 26 km deep · 65 km away
  2. 1.7129 km WSW of Adak, Alaska · 1902 days ago · 5 km deep · 97 km away
  3. 2.595 km WSW of Adak, Alaska · 1902 days ago · 73 km deep · 65 km away
  4. 1.544 km SSE of Adak, Alaska · 1903 days ago · 32 km deep · 65 km away
  5. 1.858 km SSE of Adak, Alaska · 1903 days ago · 18 km deep · 71 km away
  6. 1.6155 km WSW of Adak, Alaska · 1903 days ago · 24 km deep · 95 km away
  7. 1.5142 km SW of Adak, Alaska · 1904 days ago · 42 km deep · 70 km away
  8. 2.2156 km WSW of Adak, Alaska · 1904 days ago · 25 km deep · 95 km away
  9. 1.9123 km WSW of Adak, Alaska · 1904 days ago · 10 km deep · 88 km away
  10. 1.5103 km W of Adak, Alaska · 1905 days ago · 5 km deep · 95 km away
  11. 1.560 km S of Adak, Alaska · 1905 days ago · 29 km deep · 32 km away
  12. 1.7144 km SW of Adak, Alaska · 1905 days ago · 26 km deep · 80 km away
  13. 1.648 km S of Adak, Alaska · 1906 days ago · 13 km deep · 52 km away
  14. 1.659 km SSW of Adak, Alaska · 1906 days ago · 26 km deep · 26 km away
  15. 1.639 km SSW of Adak, Alaska · 1906 days ago · 32 km deep · 43 km away
  16. 1.592 km WSW of Adak, Alaska · 1906 days ago · 39 km deep · 47 km away
  17. 1.7130 km WSW of Adak, Alaska · 1907 days ago · 7 km deep · 98 km away
  18. 2.051 km S of Adak, Alaska · 1907 days ago · 21 km deep · 52 km away
  19. 3.041 km S of Adak, Alaska · 1907 days ago · 36 km deep · 48 km away
  20. 2.332 km SE of Adak, Alaska · 1908 days ago · 50 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0218x53wu7. Read Sun, Sep 27, 2026, 8:47 AM UTC.