Alaska earthquakes

M2.1 earthquake 84 km ESE of Ugashik, Alaska

A magnitude 2.1 earthquake struck 84 km ESE of Ugashik, Alaska on Sun, Aug 1, 2021, 7:21 AM AKDT (15:21 UTC), 6 km (4 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
2.1 (ml), micro
Local time
UTC
2021-08-01 15:21:54 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
57.267° N, 156.061° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 144 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 1.686 km ESE of Ugashik, Alaska · 1886 days ago · 3 km deep · 1 km away
  2. 2.288 km ESE of Ugashik, Alaska · 1886 days ago · 4 km deep · 4 km away · felt by 1
  3. 1.965 km SSE of Ugashik, Alaska · 1885 days ago · 4 km deep · 56 km away
  4. 1.663 km WSW of Karluk, Alaska · 1885 days ago · 80 km deep · 40 km away
  5. 2.3101 km SSE of Ugashik, Alaska · 1885 days ago · 75 km deep · 72 km away
  6. 1.961 km SE of Ugashik, Alaska · 1885 days ago · 5 km deep · 30 km away
  7. 2.259 km WSW of Karluk, Alaska · 1885 days ago · 54 km deep · 46 km away
  8. 2.196 km SE of Ugashik, Alaska · 1884 days ago · 13 km deep · 54 km away
  9. 2.091 km WNW of Karluk, Alaska · 1884 days ago · 11 km deep · 78 km away
  10. 2.827 km W of Akhiok, Alaska · 1883 days ago · 4 km deep · 93 km away
  11. 2.980 km ESE of Egegik, Alaska · 1883 days ago · 125 km deep · 65 km away
  12. 1.997 km WSW of Akhiok, Alaska · 1883 days ago · 58 km deep · 58 km away
  13. 1.685 km WSW of Karluk, Alaska · 1883 days ago · 5 km deep · 20 km away
  14. 2.072 km ESE of Ugashik, Alaska · 1883 days ago · 1 km deep · 23 km away
  15. 2.565 km SE of Ugashik, Alaska · 1883 days ago · 10 km deep · 28 km away · felt by 1
  16. 1.830 km W of Akhiok, Alaska · 1882 days ago · 20 km deep · 90 km away
  17. 2.158 km SSE of Ugashik, Alaska · 1882 days ago · 5 km deep · 64 km away
  18. 1.560 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 34 km away
  19. 3.060 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 34 km away
  20. 2.061 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 33 km away
  21. 3.361 km SE of Ugashik, Alaska · 1882 days ago · 5 km deep · 32 km away
  22. 1.5Alaska Peninsula · 1882 days ago · 9 km deep · 33 km away
  23. 2.157 km SE of Ugashik, Alaska · 1882 days ago · 7 km deep · 37 km away
  24. 2.359 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 34 km away
  25. 2.260 km SSE of Ugashik, Alaska · 1882 days ago · 2 km deep · 64 km away
  26. 1.863 km SSE of Ugashik, Alaska · 1882 days ago · 8 km deep · 67 km away
  27. 2.162 km SSE of Ugashik, Alaska · 1882 days ago · 1 km deep · 66 km away
  28. 3.063 km SE of Ugashik, Alaska · 1882 days ago · 7 km deep · 32 km away
  29. 1.963 km SE of Ugashik, Alaska · 1882 days ago · 5 km deep · 31 km away
  30. 1.560 km SE of Ugashik, Alaska · 1882 days ago · 8 km deep · 33 km away
  31. 2.7107 km SSE of Ugashik, Alaska · 1882 days ago · 5 km deep · 76 km away
  32. 2.871 km SE of Ugashik, Alaska · 1882 days ago · 6 km deep · 27 km away
  33. 1.863 km SE of Ugashik, Alaska · 1882 days ago · 9 km deep · 31 km away
  34. 1.562 km SE of Ugashik, Alaska · 1882 days ago · 12 km deep · 31 km away
  35. 2.063 km SE of Ugashik, Alaska · 1882 days ago · 11 km deep · 33 km away
  36. 1.653 km SE of Ugashik, Alaska · 1882 days ago · 14 km deep · 40 km away
  37. 2.463 km SE of Ugashik, Alaska · 1881 days ago · 5 km deep · 29 km away
  38. 1.961 km ENE of Ugashik, Alaska · 1881 days ago · 134 km deep · 58 km away
  39. 1.866 km SE of Ugashik, Alaska · 1881 days ago · 10 km deep · 28 km away
  40. 1.865 km SE of Ugashik, Alaska · 1881 days ago · 1 km deep · 27 km away
  41. 2.266 km SE of Ugashik, Alaska · 1880 days ago · 1 km deep · 28 km away
  42. 1.652 km SE of Ugashik, Alaska · 1880 days ago · 10 km deep · 41 km away
  43. 2.174 km W of Karluk, Alaska · 1879 days ago · 15 km deep · 34 km away
  44. 1.660 km SE of Ugashik, Alaska · 1878 days ago · 5 km deep · 33 km away
  45. 1.8102 km SE of Ugashik, Alaska · 1876 days ago · 9 km deep · 38 km away
  46. 1.7100 km SE of Ugashik, Alaska · 1876 days ago · 12 km deep · 36 km away
  47. 1.630 km SSW of Karluk, Alaska · 1876 days ago · 10 km deep · 88 km away
  48. 2.940 km SW of Karluk, Alaska · 1873 days ago · 51 km deep · 68 km away
  49. 1.763 km ESE of Ugashik, Alaska · 1872 days ago · 1 km deep · 27 km away
  50. 1.9107 km E of Chignik, Alaska · 1871 days ago · 3 km deep · 95 km away
  51. 2.393 km WNW of Karluk, Alaska · 1871 days ago · 110 km deep · 63 km away
  52. 3.291 km ENE of Chignik, Alaska · 1870 days ago · 56 km deep · 93 km away
  53. 1.520 km WNW of Karluk, Alaska · 1870 days ago · 74 km deep · 87 km away
  54. 3.398 km WSW of Akhiok, Alaska · 1869 days ago · 67 km deep · 85 km away
  55. 4.081 km ENE of Chignik, Alaska · 1868 days ago · 11 km deep · 100 km away
  56. 2.882 km ENE of Chignik, Alaska · 1868 days ago · 6 km deep · 100 km away
  57. 1.8118 km ENE of Chignik, Alaska · 1868 days ago · 79 km deep · 85 km away
  58. 1.663 km WSW of Akhiok, Alaska · 1868 days ago · 6 km deep · 91 km away
  59. 1.657 km W of Akhiok, Alaska · 1868 days ago · 53 km deep · 74 km away
  60. 2.297 km W of Akhiok, Alaska · 1868 days ago · 79 km deep · 34 km away

The first 60 of 144.

Before

  1. 1.651 km W of Akhiok, Alaska · 1886 days ago · 25 km deep · 77 km away
  2. 1.768 km ESE of Ugashik, Alaska · 1886 days ago · 1 km deep · 25 km away
  3. 2.073 km ESE of Ugashik, Alaska · 1886 days ago · 5 km deep · 20 km away
  4. 1.749 km NE of Ugashik, Alaska · 1886 days ago · 3 km deep · 80 km away
  5. 2.381 km WNW of Karluk, Alaska · 1886 days ago · 9 km deep · 76 km away
  6. 1.873 km ENE of Ugashik, Alaska · 1887 days ago · 123 km deep · 61 km away
  7. 2.762 km SW of Akhiok, Alaska · 1887 days ago · 10 km deep · 97 km away
  8. 1.676 km NW of Karluk, Alaska · 1888 days ago · 15 km deep · 90 km away
  9. 1.881 km WNW of Karluk, Alaska · 1888 days ago · 16 km deep · 75 km away
  10. 2.182 km WNW of Karluk, Alaska · 1888 days ago · 13 km deep · 75 km away
  11. 1.555 km ESE of Egegik, Alaska · 1889 days ago · 27 km deep · 91 km away
  12. 2.352 km E of Egegik, Alaska · 1889 days ago · 11 km deep · 100 km away
  13. 3.356 km SE of Ugashik, Alaska · 1889 days ago · 10 km deep · 38 km away
  14. 2.349 km SE of Ugashik, Alaska · 1889 days ago · 10 km deep · 43 km away
  15. 2.551 km SE of Ugashik, Alaska · 1889 days ago · 12 km deep · 40 km away
  16. 2.940 km SE of Ugashik, Alaska · 1889 days ago · 3 km deep · 48 km away
  17. 2.453 km SE of Ugashik, Alaska · 1889 days ago · 8 km deep · 37 km away
  18. 3.160 km SE of Ugashik, Alaska · 1889 days ago · 4 km deep · 37 km away
  19. 3.067 km ENE of Ugashik, Alaska · 1891 days ago · 129 km deep · 63 km away
  20. 3.757 km WSW of Akhiok, Alaska · 1891 days ago · 41 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219sij1cx (also filed as us6000f19s). Read Wed, Sep 30, 2026, 3:55 AM UTC.