Alaska earthquakes

M1.6 earthquake 55 km ESE of Ugashik, Alaska

A magnitude 1.6 earthquake struck 55 km ESE of Ugashik, Alaska on Wed, Jul 21, 2021, 7:40 PM AKDT (03:40 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.0 81 km ENE of Chignik, 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
1.6 (ml), micro
Local time
UTC
2021-07-22 03:40:17 UTC
Depth
14.7 km (9.1 mi), shallow
Epicenter
57.272° N, 156.588° 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
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 41 in the 30 days before it.

After

  1. 2.261 km ENE of Chignik, Alaska · 1895 days ago · 93 km deep · 97 km away
  2. 1.841 km ENE of Ugashik, Alaska · 1894 days ago · 137 km deep · 38 km away
  3. 1.9Alaska Peninsula · 1893 days ago · 94 km deep · 41 km away
  4. 3.067 km ENE of Ugashik, Alaska · 1890 days ago · 129 km deep · 60 km away
  5. 3.160 km SE of Ugashik, Alaska · 1889 days ago · 4 km deep · 13 km away
  6. 2.453 km SE of Ugashik, Alaska · 1889 days ago · 8 km deep · 7 km away
  7. 2.940 km SE of Ugashik, Alaska · 1889 days ago · 3 km deep · 16 km away
  8. 2.551 km SE of Ugashik, Alaska · 1889 days ago · 12 km deep · 10 km away
  9. 2.349 km SE of Ugashik, Alaska · 1888 days ago · 10 km deep · 12 km away
  10. 3.356 km SE of Ugashik, Alaska · 1888 days ago · 10 km deep · 11 km away
  11. 2.352 km E of Egegik, Alaska · 1888 days ago · 11 km deep · 96 km away
  12. 1.555 km ESE of Egegik, Alaska · 1888 days ago · 27 km deep · 87 km away
  13. 2.182 km WNW of Karluk, Alaska · 1887 days ago · 13 km deep · 89 km away
  14. 1.881 km WNW of Karluk, Alaska · 1887 days ago · 16 km deep · 89 km away
  15. 1.873 km ENE of Ugashik, Alaska · 1887 days ago · 123 km deep · 62 km away
  16. 2.381 km WNW of Karluk, Alaska · 1886 days ago · 9 km deep · 90 km away
  17. 1.749 km NE of Ugashik, Alaska · 1886 days ago · 3 km deep · 65 km away
  18. 2.073 km ESE of Ugashik, Alaska · 1886 days ago · 5 km deep · 18 km away
  19. 1.768 km ESE of Ugashik, Alaska · 1886 days ago · 1 km deep · 14 km away
  20. 2.184 km ESE of Ugashik, Alaska · 1885 days ago · 6 km deep · 32 km away · felt by 1
  21. 1.686 km ESE of Ugashik, Alaska · 1885 days ago · 3 km deep · 33 km away
  22. 2.288 km ESE of Ugashik, Alaska · 1885 days ago · 4 km deep · 35 km away · felt by 1
  23. 1.965 km SSE of Ugashik, Alaska · 1885 days ago · 4 km deep · 33 km away
  24. 1.663 km WSW of Karluk, Alaska · 1885 days ago · 80 km deep · 69 km away
  25. 2.3101 km SSE of Ugashik, Alaska · 1885 days ago · 75 km deep · 64 km away
  26. 1.961 km SE of Ugashik, Alaska · 1884 days ago · 5 km deep · 8 km away
  27. 2.259 km WSW of Karluk, Alaska · 1884 days ago · 54 km deep · 77 km away
  28. 2.196 km SE of Ugashik, Alaska · 1884 days ago · 13 km deep · 50 km away
  29. 2.091 km WNW of Karluk, Alaska · 1884 days ago · 11 km deep · 89 km away
  30. 2.980 km ESE of Egegik, Alaska · 1883 days ago · 125 km deep · 69 km away
  31. 1.997 km WSW of Akhiok, Alaska · 1883 days ago · 58 km deep · 75 km away
  32. 1.685 km WSW of Karluk, Alaska · 1883 days ago · 5 km deep · 52 km away
  33. 2.072 km ESE of Ugashik, Alaska · 1882 days ago · 1 km deep · 18 km away
  34. 2.565 km SE of Ugashik, Alaska · 1882 days ago · 10 km deep · 12 km away · felt by 1
  35. 2.158 km SSE of Ugashik, Alaska · 1882 days ago · 5 km deep · 38 km away
  36. 1.560 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 11 km away
  37. 3.060 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 11 km away
  38. 2.061 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 10 km away
  39. 3.361 km SE of Ugashik, Alaska · 1882 days ago · 5 km deep · 9 km away
  40. 1.5Alaska Peninsula · 1882 days ago · 9 km deep · 10 km away
  41. 2.157 km SE of Ugashik, Alaska · 1882 days ago · 7 km deep · 10 km away
  42. 2.359 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 10 km away
  43. 2.260 km SSE of Ugashik, Alaska · 1882 days ago · 2 km deep · 39 km away
  44. 1.863 km SSE of Ugashik, Alaska · 1882 days ago · 8 km deep · 42 km away
  45. 2.162 km SSE of Ugashik, Alaska · 1882 days ago · 1 km deep · 41 km away
  46. 3.063 km SE of Ugashik, Alaska · 1882 days ago · 7 km deep · 12 km away
  47. 1.963 km SE of Ugashik, Alaska · 1882 days ago · 5 km deep · 11 km away
  48. 1.560 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 10 km away
  49. 2.7107 km SSE of Ugashik, Alaska · 1881 days ago · 5 km deep · 69 km away
  50. 2.871 km SE of Ugashik, Alaska · 1881 days ago · 6 km deep · 17 km away
  51. 1.863 km SE of Ugashik, Alaska · 1881 days ago · 9 km deep · 12 km away
  52. 1.562 km SE of Ugashik, Alaska · 1881 days ago · 12 km deep · 9 km away
  53. 2.063 km SE of Ugashik, Alaska · 1881 days ago · 11 km deep · 13 km away
  54. 1.653 km SE of Ugashik, Alaska · 1881 days ago · 14 km deep · 10 km away
  55. 2.463 km SE of Ugashik, Alaska · 1881 days ago · 5 km deep · 9 km away
  56. 1.961 km ENE of Ugashik, Alaska · 1881 days ago · 134 km deep · 53 km away
  57. 1.866 km SE of Ugashik, Alaska · 1881 days ago · 10 km deep · 13 km away
  58. 1.865 km SE of Ugashik, Alaska · 1881 days ago · 1 km deep · 11 km away
  59. 2.266 km SE of Ugashik, Alaska · 1880 days ago · 1 km deep · 12 km away
  60. 1.652 km SE of Ugashik, Alaska · 1880 days ago · 10 km deep · 11 km away

The first 60 of 148.

Before

  1. 1.927 km SE of Ugashik, Alaska · 1896 days ago · 111 km deep · 31 km away
  2. 1.887 km ENE of Chignik, Alaska · 1896 days ago · 89 km deep · 81 km away
  3. 2.455 km ESE of Ugashik, Alaska · 1897 days ago · 96 km deep · 6 km away
  4. 2.346 km SSW of Ugashik, Alaska · 1897 days ago · 3 km deep · 61 km away
  5. 1.576 km SW of Karluk, Alaska · 1898 days ago · 69 km deep · 70 km away
  6. 1.959 km ENE of Ugashik, Alaska · 1899 days ago · 136 km deep · 57 km away
  7. 2.3115 km SSE of Ugashik, Alaska · 1900 days ago · 47 km deep · 74 km away
  8. 1.961 km SSE of Ugashik, Alaska · 1900 days ago · 80 km deep · 36 km away
  9. 1.947 km NE of Ugashik, Alaska · 1902 days ago · 158 km deep · 64 km away
  10. 1.861 km E of Port Heiden, Alaska · 1903 days ago · 90 km deep · 74 km away
  11. 1.674 km ESE of Port Heiden, Alaska · 1903 days ago · 77 km deep · 72 km away
  12. 1.8100 km ESE of Ugashik, Alaska · 1905 days ago · 70 km deep · 45 km away
  13. 3.226 km S of Ugashik, Alaska · 1906 days ago · 122 km deep · 49 km away · felt by 1
  14. 1.987 km SW of Karluk, Alaska · 1907 days ago · 59 km deep · 59 km away
  15. 1.9100 km SE of Ugashik, Alaska · 1907 days ago · 60 km deep · 52 km away
  16. 2.135 km W of Karluk, Alaska · 1907 days ago · 79 km deep · 96 km away
  17. 1.969 km ENE of Ugashik, Alaska · 1907 days ago · 119 km deep · 59 km away
  18. 1.961 km E of Port Heiden, Alaska · 1907 days ago · 5 km deep · 71 km away
  19. 1.958 km ESE of Egegik, Alaska · 1909 days ago · 155 km deep · 73 km away
  20. 1.753 km ESE of Egegik, Alaska · 1909 days ago · 155 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219bs4d0q. Read Tue, Sep 29, 2026, 8:06 PM UTC.