Alaska earthquakes

M1.7 earthquake 49 km NE of Ugashik, Alaska

A magnitude 1.7 earthquake struck 49 km NE of Ugashik, Alaska on Sat, Jul 31, 2021, 8:48 PM AKDT (04:48 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.5 62 km NW of Karluk, 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
1.7 (ml), micro
Local time
UTC
2021-08-01 04:48:41 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
57.844° N, 156.854° 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
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 95 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 2.073 km ESE of Ugashik, Alaska · 1884 days ago · 5 km deep · 80 km away
  2. 1.768 km ESE of Ugashik, Alaska · 1884 days ago · 1 km deep · 78 km away
  3. 2.184 km ESE of Ugashik, Alaska · 1884 days ago · 6 km deep · 80 km away · felt by 1
  4. 1.686 km ESE of Ugashik, Alaska · 1884 days ago · 3 km deep · 81 km away
  5. 2.288 km ESE of Ugashik, Alaska · 1884 days ago · 4 km deep · 83 km away · felt by 1
  6. 1.965 km SSE of Ugashik, Alaska · 1884 days ago · 4 km deep · 93 km away
  7. 1.663 km WSW of Karluk, Alaska · 1884 days ago · 80 km deep · 93 km away
  8. 1.961 km SE of Ugashik, Alaska · 1883 days ago · 5 km deep · 73 km away
  9. 2.091 km WNW of Karluk, Alaska · 1882 days ago · 11 km deep · 63 km away
  10. 2.980 km ESE of Egegik, Alaska · 1881 days ago · 125 km deep · 39 km away
  11. 1.685 km WSW of Karluk, Alaska · 1881 days ago · 5 km deep · 96 km away
  12. 2.072 km ESE of Ugashik, Alaska · 1881 days ago · 1 km deep · 81 km away
  13. 2.565 km SE of Ugashik, Alaska · 1881 days ago · 10 km deep · 77 km away · felt by 1
  14. 2.158 km SSE of Ugashik, Alaska · 1880 days ago · 5 km deep · 92 km away
  15. 1.560 km SE of Ugashik, Alaska · 1880 days ago · 9 km deep · 76 km away
  16. 3.060 km SE of Ugashik, Alaska · 1880 days ago · 9 km deep · 76 km away
  17. 2.061 km SE of Ugashik, Alaska · 1880 days ago · 8 km deep · 75 km away
  18. 3.361 km SE of Ugashik, Alaska · 1880 days ago · 5 km deep · 74 km away
  19. 1.5Alaska Peninsula · 1880 days ago · 9 km deep · 75 km away
  20. 2.157 km SE of Ugashik, Alaska · 1880 days ago · 7 km deep · 74 km away
  21. 2.359 km SE of Ugashik, Alaska · 1880 days ago · 8 km deep · 75 km away
  22. 2.260 km SSE of Ugashik, Alaska · 1880 days ago · 2 km deep · 94 km away
  23. 1.863 km SSE of Ugashik, Alaska · 1880 days ago · 8 km deep · 97 km away
  24. 2.162 km SSE of Ugashik, Alaska · 1880 days ago · 1 km deep · 95 km away
  25. 3.063 km SE of Ugashik, Alaska · 1880 days ago · 7 km deep · 77 km away
  26. 1.963 km SE of Ugashik, Alaska · 1880 days ago · 5 km deep · 77 km away
  27. 1.560 km SE of Ugashik, Alaska · 1880 days ago · 8 km deep · 75 km away
  28. 2.871 km SE of Ugashik, Alaska · 1880 days ago · 6 km deep · 82 km away
  29. 1.863 km SE of Ugashik, Alaska · 1880 days ago · 9 km deep · 77 km away
  30. 1.562 km SE of Ugashik, Alaska · 1880 days ago · 12 km deep · 74 km away
  31. 2.063 km SE of Ugashik, Alaska · 1880 days ago · 11 km deep · 78 km away
  32. 1.653 km SE of Ugashik, Alaska · 1880 days ago · 14 km deep · 71 km away
  33. 2.463 km SE of Ugashik, Alaska · 1880 days ago · 5 km deep · 75 km away
  34. 1.961 km ENE of Ugashik, Alaska · 1880 days ago · 134 km deep · 26 km away
  35. 1.866 km SE of Ugashik, Alaska · 1880 days ago · 10 km deep · 78 km away
  36. 1.865 km SE of Ugashik, Alaska · 1879 days ago · 1 km deep · 76 km away
  37. 2.266 km SE of Ugashik, Alaska · 1878 days ago · 1 km deep · 77 km away
  38. 1.652 km SE of Ugashik, Alaska · 1878 days ago · 10 km deep · 71 km away
  39. 2.174 km W of Karluk, Alaska · 1877 days ago · 15 km deep · 80 km away
  40. 1.660 km SE of Ugashik, Alaska · 1876 days ago · 5 km deep · 75 km away
  41. 1.960 km SE of King Salmon, Alaska · 1872 days ago · 155 km deep · 83 km away
  42. 1.763 km ESE of Ugashik, Alaska · 1870 days ago · 1 km deep · 73 km away
  43. 2.393 km WNW of Karluk, Alaska · 1869 days ago · 110 km deep · 54 km away
  44. 2.270 km ESE of Egegik, Alaska · 1865 days ago · 146 km deep · 36 km away
  45. 1.673 km WNW of Karluk, Alaska · 1865 days ago · 99 km deep · 72 km away
  46. 2.381 km W of Karluk, Alaska · 1864 days ago · 6 km deep · 66 km away
  47. 2.556 km SE of King Salmon, Alaska · 1864 days ago · 155 km deep · 72 km away
  48. 2.089 km WNW of Karluk, Alaska · 1864 days ago · 100 km deep · 57 km away
  49. 1.9Alaska Peninsula · 1864 days ago · 87 km deep · 89 km away
  50. 2.528 km NNE of Pilot Point, Alaska · 1864 days ago · 14 km deep · 30 km away
  51. 2.228 km NE of Pilot Point, Alaska · 1863 days ago · 6 km deep · 28 km away
  52. 1.677 km SE of Ugashik, Alaska · 1863 days ago · 78 km deep · 96 km away
  53. 1.773 km ESE of Ugashik, Alaska · 1863 days ago · 80 km deep · 81 km away
  54. 1.688 km ESE of Egegik, Alaska · 1862 days ago · 8 km deep · 49 km away
  55. 1.776 km WNW of Karluk, Alaska · 1862 days ago · 96 km deep · 70 km away
  56. 1.792 km ESE of Ugashik, Alaska · 1861 days ago · 20 km deep · 98 km away
  57. 1.951 km SE of Ugashik, Alaska · 1861 days ago · 9 km deep · 75 km away
  58. 1.686 km NW of Karluk, Alaska · 1860 days ago · 2 km deep · 94 km away
  59. 2.396 km ESE of Ugashik, Alaska · 1860 days ago · 9 km deep · 97 km away
  60. 1.986 km ESE of Ugashik, Alaska · 1860 days ago · 2 km deep · 92 km away

The first 60 of 95.

Before

  1. 2.381 km WNW of Karluk, Alaska · 1885 days ago · 9 km deep · 71 km away
  2. 1.873 km ENE of Ugashik, Alaska · 1885 days ago · 123 km deep · 33 km away
  3. 1.676 km NW of Karluk, Alaska · 1886 days ago · 15 km deep · 85 km away
  4. 1.881 km WNW of Karluk, Alaska · 1886 days ago · 16 km deep · 71 km away
  5. 2.182 km WNW of Karluk, Alaska · 1886 days ago · 13 km deep · 70 km away
  6. 1.555 km ESE of Egegik, Alaska · 1887 days ago · 27 km deep · 32 km away
  7. 2.352 km E of Egegik, Alaska · 1887 days ago · 11 km deep · 39 km away
  8. 3.356 km SE of Ugashik, Alaska · 1887 days ago · 10 km deep · 74 km away
  9. 2.349 km SE of Ugashik, Alaska · 1887 days ago · 10 km deep · 69 km away
  10. 2.551 km SE of Ugashik, Alaska · 1887 days ago · 12 km deep · 69 km away
  11. 2.940 km SE of Ugashik, Alaska · 1887 days ago · 3 km deep · 60 km away
  12. 2.453 km SE of Ugashik, Alaska · 1887 days ago · 8 km deep · 69 km away
  13. 3.160 km SE of Ugashik, Alaska · 1887 days ago · 4 km deep · 77 km away
  14. 3.067 km ENE of Ugashik, Alaska · 1889 days ago · 129 km deep · 27 km away
  15. 1.9Alaska Peninsula · 1892 days ago · 94 km deep · 90 km away
  16. 1.841 km ENE of Ugashik, Alaska · 1893 days ago · 137 km deep · 27 km away
  17. 1.655 km ESE of Ugashik, Alaska · 1894 days ago · 15 km deep · 65 km away
  18. 1.749 km SE of King Salmon, Alaska · 1894 days ago · 157 km deep · 70 km away
  19. 1.927 km SE of Ugashik, Alaska · 1895 days ago · 111 km deep · 59 km away
  20. 2.455 km ESE of Ugashik, Alaska · 1895 days ago · 96 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219sc5166. Read Mon, Sep 28, 2026, 7:20 AM UTC.