Alaska earthquakes

M2.3 earthquake 101 km SSE of Ugashik, Alaska

A magnitude 2.3 earthquake struck 101 km SSE of Ugashik, Alaska on Sun, Aug 1, 2021, 10:50 PM AKDT (06:50 UTC), 75 km (46 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
2.3 (ml), micro
Local time
UTC
2021-08-02 06:50:18 UTC
Depth
74.7 km (46.4 mi), intermediate-depth
Epicenter
56.701° N, 156.639° 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
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 2.7122 km E of Chignik, Alaska · 1884 days ago · 35 km deep · 45 km away
  2. 1.961 km SE of Ugashik, Alaska · 1884 days ago · 5 km deep · 57 km away
  3. 2.196 km SE of Ugashik, Alaska · 1884 days ago · 13 km deep · 19 km away
  4. 1.997 km WSW of Akhiok, Alaska · 1883 days ago · 58 km deep · 56 km away
  5. 1.685 km WSW of Karluk, Alaska · 1883 days ago · 5 km deep · 80 km away
  6. 1.8133 km SW of Akhiok, Alaska · 1882 days ago · 12 km deep · 68 km away
  7. 2.072 km ESE of Ugashik, Alaska · 1882 days ago · 1 km deep · 53 km away
  8. 2.565 km SE of Ugashik, Alaska · 1882 days ago · 10 km deep · 53 km away · felt by 1
  9. 2.158 km SSE of Ugashik, Alaska · 1882 days ago · 5 km deep · 43 km away
  10. 1.560 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 53 km away
  11. 3.060 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 53 km away
  12. 2.061 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 54 km away
  13. 3.361 km SE of Ugashik, Alaska · 1882 days ago · 5 km deep · 55 km away
  14. 1.5Alaska Peninsula · 1882 days ago · 9 km deep · 54 km away
  15. 2.157 km SE of Ugashik, Alaska · 1882 days ago · 7 km deep · 54 km away
  16. 2.359 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 54 km away
  17. 2.260 km SSE of Ugashik, Alaska · 1882 days ago · 2 km deep · 41 km away
  18. 1.863 km SSE of Ugashik, Alaska · 1882 days ago · 8 km deep · 40 km away
  19. 2.162 km SSE of Ugashik, Alaska · 1882 days ago · 1 km deep · 40 km away
  20. 3.063 km SE of Ugashik, Alaska · 1882 days ago · 7 km deep · 52 km away
  21. 1.963 km SE of Ugashik, Alaska · 1882 days ago · 5 km deep · 53 km away
  22. 1.560 km SE of Ugashik, Alaska · 1881 days ago · 8 km deep · 54 km away
  23. 2.7107 km SSE of Ugashik, Alaska · 1881 days ago · 5 km deep · 6 km away
  24. 2.871 km SE of Ugashik, Alaska · 1881 days ago · 6 km deep · 50 km away
  25. 1.863 km SE of Ugashik, Alaska · 1881 days ago · 9 km deep · 52 km away
  26. 1.562 km SE of Ugashik, Alaska · 1881 days ago · 12 km deep · 55 km away
  27. 2.063 km SE of Ugashik, Alaska · 1881 days ago · 11 km deep · 51 km away
  28. 1.653 km SE of Ugashik, Alaska · 1881 days ago · 14 km deep · 57 km away
  29. 2.463 km SE of Ugashik, Alaska · 1881 days ago · 5 km deep · 55 km away
  30. 1.866 km SE of Ugashik, Alaska · 1881 days ago · 10 km deep · 53 km away
  31. 2.6125 km ESE of Chignik, Alaska · 1881 days ago · 10 km deep · 82 km away
  32. 1.865 km SE of Ugashik, Alaska · 1880 days ago · 1 km deep · 55 km away
  33. 2.266 km SE of Ugashik, Alaska · 1879 days ago · 1 km deep · 53 km away
  34. 1.652 km SE of Ugashik, Alaska · 1879 days ago · 10 km deep · 57 km away
  35. 2.878 km SE of Chignik, Alaska · 1879 days ago · 20 km deep · 99 km away
  36. 3.2152 km ESE of Chignik, Alaska · 1878 days ago · 33 km deep · 96 km away
  37. 1.660 km SE of Ugashik, Alaska · 1877 days ago · 5 km deep · 54 km away
  38. 1.8102 km SE of Ugashik, Alaska · 1875 days ago · 9 km deep · 41 km away
  39. 1.7100 km SE of Ugashik, Alaska · 1875 days ago · 12 km deep · 42 km away
  40. 1.550 km E of Port Heiden, Alaska · 1875 days ago · 12 km deep · 80 km away
  41. 2.653 km ESE of Chignik, Alaska · 1874 days ago · 46 km deep · 82 km away
  42. 1.763 km ESE of Ugashik, Alaska · 1871 days ago · 1 km deep · 58 km away
  43. 1.9107 km E of Chignik, Alaska · 1870 days ago · 3 km deep · 24 km away
  44. 3.291 km ENE of Chignik, Alaska · 1870 days ago · 56 km deep · 26 km away
  45. 2.3117 km E of Chignik, Alaska · 1869 days ago · 57 km deep · 64 km away
  46. 3.398 km WSW of Akhiok, Alaska · 1869 days ago · 67 km deep · 66 km away
  47. 2.563 km NE of Chignik, Alaska · 1868 days ago · 75 km deep · 58 km away
  48. 4.081 km ENE of Chignik, Alaska · 1868 days ago · 11 km deep · 37 km away
  49. 2.779 km ENE of Chignik, Alaska · 1868 days ago · 2 km deep · 39 km away
  50. 2.882 km ENE of Chignik, Alaska · 1868 days ago · 6 km deep · 36 km away
  51. 2.273 km ENE of Chignik, Alaska · 1868 days ago · 8 km deep · 46 km away
  52. 1.772 km ENE of Chignik, Alaska · 1867 days ago · 1 km deep · 46 km away
  53. 1.8118 km ENE of Chignik, Alaska · 1867 days ago · 79 km deep · 18 km away
  54. 2.480 km ENE of Chignik, Alaska · 1867 days ago · 9 km deep · 39 km away
  55. 2.174 km ENE of Chignik, Alaska · 1867 days ago · 4 km deep · 45 km away
  56. 1.663 km WSW of Akhiok, Alaska · 1867 days ago · 6 km deep · 96 km away
  57. 1.970 km NE of Chignik, Alaska · 1867 days ago · 11 km deep · 52 km away
  58. 1.657 km W of Akhiok, Alaska · 1867 days ago · 53 km deep · 96 km away
  59. 2.297 km W of Akhiok, Alaska · 1867 days ago · 79 km deep · 63 km away
  60. 2.5Alaska Peninsula · 1866 days ago · 72 km deep · 92 km away

The first 60 of 118.

Before

  1. 1.965 km SSE of Ugashik, Alaska · 1885 days ago · 4 km deep · 37 km away
  2. 2.288 km ESE of Ugashik, Alaska · 1885 days ago · 4 km deep · 71 km away · felt by 1
  3. 1.686 km ESE of Ugashik, Alaska · 1885 days ago · 3 km deep · 72 km away
  4. 2.184 km ESE of Ugashik, Alaska · 1885 days ago · 6 km deep · 72 km away · felt by 1
  5. 1.9130 km ESE of Chignik, Alaska · 1885 days ago · 42 km deep · 74 km away
  6. 1.767 km ESE of Chignik, Alaska · 1885 days ago · 28 km deep · 88 km away
  7. 1.768 km ESE of Ugashik, Alaska · 1885 days ago · 1 km deep · 54 km away
  8. 2.073 km ESE of Ugashik, Alaska · 1885 days ago · 5 km deep · 56 km away
  9. 4.2130 km ESE of Chignik, Alaska · 1886 days ago · 39 km deep · 72 km away
  10. 2.070 km SW of Akhiok, Alaska · 1887 days ago · 33 km deep · 100 km away
  11. 3.3149 km ESE of Chignik, Alaska · 1887 days ago · 4 km deep · 96 km away
  12. 2.0112 km ESE of Chignik, Alaska · 1887 days ago · 19 km deep · 88 km away
  13. 2.0135 km SW of Akhiok, Alaska · 1888 days ago · 33 km deep · 66 km away
  14. 2.372 km ESE of Chignik, Alaska · 1888 days ago · 14 km deep · 96 km away
  15. 2.3104 km ESE of Chignik, Alaska · 1888 days ago · 12 km deep · 86 km away
  16. 3.356 km SE of Ugashik, Alaska · 1888 days ago · 10 km deep · 54 km away
  17. 2.349 km SE of Ugashik, Alaska · 1888 days ago · 10 km deep · 58 km away
  18. 2.551 km SE of Ugashik, Alaska · 1888 days ago · 12 km deep · 58 km away
  19. 2.940 km SE of Ugashik, Alaska · 1888 days ago · 3 km deep · 68 km away
  20. 2.453 km SE of Ugashik, Alaska · 1888 days ago · 8 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219u0vmha. Read Tue, Sep 29, 2026, 3:47 PM UTC.