Alaska earthquakes

M1.8 earthquake 66 km SE of Ugashik, Alaska

A magnitude 1.8 earthquake struck 66 km SE of Ugashik, Alaska on Thu, Aug 5, 2021, 10:14 AM AKDT (18:14 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.2 66 km SE of Ugashik, 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
1.8 (ml), micro
Local time
UTC
2021-08-05 18:14:58 UTC
Depth
9.9 km (6.2 mi), shallow
Epicenter
57.168° N, 156.493° 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
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 1.865 km SE of Ugashik, Alaska · 1874 days ago · 1 km deep · 2 km away
  2. 2.266 km SE of Ugashik, Alaska · 1873 days ago · 1 km deep · 1 km away
  3. 1.652 km SE of Ugashik, Alaska · 1873 days ago · 10 km deep · 15 km away
  4. 2.174 km W of Karluk, Alaska · 1872 days ago · 15 km deep · 61 km away
  5. 1.660 km SE of Ugashik, Alaska · 1870 days ago · 5 km deep · 6 km away
  6. 1.8102 km SE of Ugashik, Alaska · 1869 days ago · 9 km deep · 36 km away
  7. 1.7100 km SE of Ugashik, Alaska · 1869 days ago · 12 km deep · 34 km away
  8. 1.550 km E of Port Heiden, Alaska · 1869 days ago · 12 km deep · 81 km away
  9. 2.940 km SW of Karluk, Alaska · 1866 days ago · 51 km deep · 95 km away
  10. 1.763 km ESE of Ugashik, Alaska · 1865 days ago · 1 km deep · 5 km away
  11. 1.9107 km E of Chignik, Alaska · 1864 days ago · 3 km deep · 77 km away
  12. 2.393 km WNW of Karluk, Alaska · 1864 days ago · 110 km deep · 81 km away
  13. 3.291 km ENE of Chignik, Alaska · 1863 days ago · 56 km deep · 69 km away
  14. 3.398 km WSW of Akhiok, Alaska · 1862 days ago · 67 km deep · 88 km away
  15. 2.563 km NE of Chignik, Alaska · 1861 days ago · 75 km deep · 88 km away
  16. 4.081 km ENE of Chignik, Alaska · 1861 days ago · 11 km deep · 74 km away
  17. 2.779 km ENE of Chignik, Alaska · 1861 days ago · 2 km deep · 76 km away
  18. 2.882 km ENE of Chignik, Alaska · 1861 days ago · 6 km deep · 74 km away
  19. 2.273 km ENE of Chignik, Alaska · 1861 days ago · 8 km deep · 79 km away
  20. 1.772 km ENE of Chignik, Alaska · 1861 days ago · 1 km deep · 82 km away
  21. 1.8118 km ENE of Chignik, Alaska · 1861 days ago · 79 km deep · 69 km away
  22. 2.480 km ENE of Chignik, Alaska · 1861 days ago · 9 km deep · 74 km away
  23. 2.174 km ENE of Chignik, Alaska · 1861 days ago · 4 km deep · 80 km away
  24. 1.970 km NE of Chignik, Alaska · 1860 days ago · 11 km deep · 82 km away
  25. 1.657 km W of Akhiok, Alaska · 1860 days ago · 53 km deep · 91 km away
  26. 2.297 km W of Akhiok, Alaska · 1860 days ago · 79 km deep · 47 km away
  27. 1.558 km WNW of Akhiok, Alaska · 1860 days ago · 56 km deep · 86 km away
  28. 2.5Alaska Peninsula · 1860 days ago · 72 km deep · 61 km away
  29. 1.962 km WNW of Akhiok, Alaska · 1860 days ago · 57 km deep · 81 km away
  30. 2.270 km ESE of Egegik, Alaska · 1859 days ago · 146 km deep · 90 km away
  31. 1.673 km WNW of Karluk, Alaska · 1859 days ago · 99 km deep · 78 km away
  32. 2.381 km W of Karluk, Alaska · 1859 days ago · 6 km deep · 68 km away
  33. 2.089 km WNW of Karluk, Alaska · 1859 days ago · 100 km deep · 79 km away
  34. 1.9Alaska Peninsula · 1859 days ago · 87 km deep · 77 km away
  35. 1.680 km ENE of Chignik, Alaska · 1859 days ago · 10 km deep · 80 km away
  36. 2.528 km NNE of Pilot Point, Alaska · 1858 days ago · 14 km deep · 86 km away
  37. 2.228 km NE of Pilot Point, Alaska · 1858 days ago · 6 km deep · 83 km away
  38. 1.677 km SE of Ugashik, Alaska · 1858 days ago · 78 km deep · 20 km away
  39. 1.773 km ESE of Ugashik, Alaska · 1858 days ago · 80 km deep · 8 km away
  40. 1.688 km ESE of Egegik, Alaska · 1857 days ago · 8 km deep · 82 km away
  41. 2.2111 km SE of Ugashik, Alaska · 1857 days ago · 67 km deep · 49 km away
  42. 1.776 km WNW of Karluk, Alaska · 1857 days ago · 96 km deep · 82 km away
  43. 1.792 km ESE of Ugashik, Alaska · 1856 days ago · 20 km deep · 26 km away
  44. 1.9Kodiak Island region, Alaska · 1856 days ago · 56 km deep · 97 km away
  45. 1.951 km SE of Ugashik, Alaska · 1856 days ago · 9 km deep · 21 km away
  46. 2.1119 km SSE of Ugashik, Alaska · 1855 days ago · 73 km deep · 68 km away
  47. 2.396 km ESE of Ugashik, Alaska · 1854 days ago · 9 km deep · 31 km away
  48. 1.986 km ESE of Ugashik, Alaska · 1854 days ago · 2 km deep · 20 km away
  49. 1.588 km ESE of Ugashik, Alaska · 1854 days ago · 1 km deep · 25 km away
  50. 1.6111 km W of Akhiok, Alaska · 1854 days ago · 12 km deep · 51 km away
  51. 2.893 km ESE of Ugashik, Alaska · 1853 days ago · 4 km deep · 28 km away
  52. 2.538 km SSW of Ugashik, Alaska · 1851 days ago · 8 km deep · 64 km away
  53. 2.137 km WSW of Karluk, Alaska · 1851 days ago · 72 km deep · 94 km away
  54. 1.892 km E of Chignik, Alaska · 1850 days ago · 31 km deep · 98 km away
  55. 1.873 km W of Karluk, Alaska · 1849 days ago · 80 km deep · 74 km away
  56. 1.957 km SW of Karluk, Alaska · 1848 days ago · 46 km deep · 79 km away
  57. 1.975 km SE of Ugashik, Alaska · 1848 days ago · 3 km deep · 9 km away
  58. 1.880 km W of Karluk, Alaska · 1847 days ago · 6 km deep · 66 km away
  59. 1.798 km ESE of Ugashik, Alaska · 1847 days ago · 67 km deep · 34 km away
  60. 1.990 km ENE of Chignik, Alaska · 1846 days ago · 43 km deep · 78 km away

The first 60 of 109.

Before

  1. 1.961 km ENE of Ugashik, Alaska · 1874 days ago · 134 km deep · 65 km away
  2. 2.463 km SE of Ugashik, Alaska · 1874 days ago · 5 km deep · 4 km away
  3. 1.653 km SE of Ugashik, Alaska · 1874 days ago · 14 km deep · 14 km away
  4. 2.063 km SE of Ugashik, Alaska · 1874 days ago · 11 km deep · 5 km away
  5. 1.562 km SE of Ugashik, Alaska · 1874 days ago · 12 km deep · 5 km away
  6. 1.863 km SE of Ugashik, Alaska · 1874 days ago · 9 km deep · 3 km away
  7. 2.871 km SE of Ugashik, Alaska · 1874 days ago · 6 km deep · 4 km away
  8. 2.7107 km SSE of Ugashik, Alaska · 1875 days ago · 5 km deep · 58 km away
  9. 1.560 km SE of Ugashik, Alaska · 1875 days ago · 8 km deep · 6 km away
  10. 1.963 km SE of Ugashik, Alaska · 1875 days ago · 5 km deep · 4 km away
  11. 3.063 km SE of Ugashik, Alaska · 1875 days ago · 7 km deep · 4 km away
  12. 2.162 km SSE of Ugashik, Alaska · 1875 days ago · 1 km deep · 38 km away
  13. 1.863 km SSE of Ugashik, Alaska · 1875 days ago · 8 km deep · 39 km away
  14. 2.260 km SSE of Ugashik, Alaska · 1875 days ago · 2 km deep · 36 km away
  15. 2.359 km SE of Ugashik, Alaska · 1875 days ago · 8 km deep · 7 km away
  16. 2.157 km SE of Ugashik, Alaska · 1875 days ago · 7 km deep · 10 km away
  17. 1.5Alaska Peninsula · 1875 days ago · 9 km deep · 6 km away
  18. 3.361 km SE of Ugashik, Alaska · 1875 days ago · 5 km deep · 6 km away
  19. 2.061 km SE of Ugashik, Alaska · 1875 days ago · 8 km deep · 6 km away
  20. 3.060 km SE of Ugashik, Alaska · 1875 days ago · 9 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219z6fc0x. Read Tue, Sep 22, 2026, 9:28 PM UTC.