Alaska earthquakes

M1.5 earthquake Alaska Peninsula

A magnitude 1.5 earthquake struck in the Alaska Peninsula on Wed, Aug 4, 2021, 5:48 PM AKDT (01:48 UTC), 9 km (6 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
1.5 (ml), micro
Local time
UTC
2021-08-05 01:48:49 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
57.183° N, 156.590° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 2.157 km SE of Ugashik, Alaska · 1881 days ago · 7 km deep · 4 km away
  2. 2.359 km SE of Ugashik, Alaska · 1881 days ago · 8 km deep · 1 km away
  3. 2.260 km SSE of Ugashik, Alaska · 1881 days ago · 2 km deep · 32 km away
  4. 1.863 km SSE of Ugashik, Alaska · 1881 days ago · 8 km deep · 35 km away
  5. 2.162 km SSE of Ugashik, Alaska · 1881 days ago · 1 km deep · 34 km away
  6. 3.063 km SE of Ugashik, Alaska · 1881 days ago · 7 km deep · 2 km away
  7. 1.963 km SE of Ugashik, Alaska · 1881 days ago · 5 km deep · 2 km away
  8. 1.560 km SE of Ugashik, Alaska · 1881 days ago · 8 km deep · 0 km away
  9. 2.7107 km SSE of Ugashik, Alaska · 1881 days ago · 5 km deep · 59 km away
  10. 2.871 km SE of Ugashik, Alaska · 1881 days ago · 6 km deep · 10 km away
  11. 1.863 km SE of Ugashik, Alaska · 1881 days ago · 9 km deep · 3 km away
  12. 1.562 km SE of Ugashik, Alaska · 1881 days ago · 12 km deep · 3 km away
  13. 2.063 km SE of Ugashik, Alaska · 1881 days ago · 11 km deep · 3 km away
  14. 1.653 km SE of Ugashik, Alaska · 1881 days ago · 14 km deep · 8 km away
  15. 2.463 km SE of Ugashik, Alaska · 1881 days ago · 5 km deep · 4 km away
  16. 1.961 km ENE of Ugashik, Alaska · 1881 days ago · 134 km deep · 63 km away
  17. 1.866 km SE of Ugashik, Alaska · 1881 days ago · 10 km deep · 6 km away
  18. 1.865 km SE of Ugashik, Alaska · 1880 days ago · 1 km deep · 6 km away
  19. 2.266 km SE of Ugashik, Alaska · 1879 days ago · 1 km deep · 6 km away
  20. 1.652 km SE of Ugashik, Alaska · 1879 days ago · 10 km deep · 9 km away
  21. 2.174 km W of Karluk, Alaska · 1878 days ago · 15 km deep · 64 km away
  22. 1.660 km SE of Ugashik, Alaska · 1877 days ago · 5 km deep · 0 km away
  23. 1.8102 km SE of Ugashik, Alaska · 1875 days ago · 9 km deep · 41 km away
  24. 1.7100 km SE of Ugashik, Alaska · 1875 days ago · 12 km deep · 40 km away
  25. 1.550 km E of Port Heiden, Alaska · 1875 days ago · 12 km deep · 76 km away
  26. 1.763 km ESE of Ugashik, Alaska · 1871 days ago · 1 km deep · 7 km away
  27. 1.9107 km E of Chignik, Alaska · 1870 days ago · 3 km deep · 78 km away
  28. 2.393 km WNW of Karluk, Alaska · 1870 days ago · 110 km deep · 82 km away
  29. 3.291 km ENE of Chignik, Alaska · 1869 days ago · 56 km deep · 68 km away
  30. 3.398 km WSW of Akhiok, Alaska · 1868 days ago · 67 km deep · 93 km away
  31. 2.563 km NE of Chignik, Alaska · 1867 days ago · 75 km deep · 85 km away
  32. 4.081 km ENE of Chignik, Alaska · 1867 days ago · 11 km deep · 72 km away
  33. 2.779 km ENE of Chignik, Alaska · 1867 days ago · 2 km deep · 74 km away
  34. 2.882 km ENE of Chignik, Alaska · 1867 days ago · 6 km deep · 72 km away
  35. 2.273 km ENE of Chignik, Alaska · 1867 days ago · 8 km deep · 77 km away
  36. 1.772 km ENE of Chignik, Alaska · 1867 days ago · 1 km deep · 79 km away
  37. 1.8118 km ENE of Chignik, Alaska · 1867 days ago · 79 km deep · 71 km away
  38. 2.480 km ENE of Chignik, Alaska · 1867 days ago · 9 km deep · 72 km away
  39. 2.174 km ENE of Chignik, Alaska · 1867 days ago · 4 km deep · 78 km away
  40. 1.970 km NE of Chignik, Alaska · 1867 days ago · 11 km deep · 79 km away
  41. 1.657 km W of Akhiok, Alaska · 1867 days ago · 53 km deep · 97 km away
  42. 2.297 km W of Akhiok, Alaska · 1867 days ago · 79 km deep · 53 km away
  43. 1.558 km WNW of Akhiok, Alaska · 1867 days ago · 56 km deep · 92 km away
  44. 2.5Alaska Peninsula · 1866 days ago · 72 km deep · 66 km away
  45. 1.962 km WNW of Akhiok, Alaska · 1866 days ago · 57 km deep · 87 km away
  46. 2.270 km ESE of Egegik, Alaska · 1866 days ago · 146 km deep · 89 km away
  47. 1.673 km WNW of Karluk, Alaska · 1866 days ago · 99 km deep · 81 km away
  48. 2.381 km W of Karluk, Alaska · 1865 days ago · 6 km deep · 70 km away
  49. 2.089 km WNW of Karluk, Alaska · 1865 days ago · 100 km deep · 80 km away
  50. 1.9Alaska Peninsula · 1865 days ago · 87 km deep · 80 km away
  51. 1.680 km ENE of Chignik, Alaska · 1865 days ago · 10 km deep · 78 km away
  52. 2.528 km NNE of Pilot Point, Alaska · 1865 days ago · 14 km deep · 82 km away
  53. 2.228 km NE of Pilot Point, Alaska · 1864 days ago · 6 km deep · 79 km away
  54. 1.677 km SE of Ugashik, Alaska · 1864 days ago · 78 km deep · 21 km away
  55. 1.773 km ESE of Ugashik, Alaska · 1864 days ago · 80 km deep · 14 km away
  56. 1.688 km ESE of Egegik, Alaska · 1863 days ago · 8 km deep · 83 km away
  57. 2.2111 km SE of Ugashik, Alaska · 1863 days ago · 67 km deep · 53 km away
  58. 1.776 km WNW of Karluk, Alaska · 1863 days ago · 96 km deep · 84 km away
  59. 1.792 km ESE of Ugashik, Alaska · 1862 days ago · 20 km deep · 32 km away
  60. 1.951 km SE of Ugashik, Alaska · 1862 days ago · 9 km deep · 15 km away

The first 60 of 122.

Before

  1. 3.361 km SE of Ugashik, Alaska · 1881 days ago · 5 km deep · 2 km away
  2. 2.061 km SE of Ugashik, Alaska · 1881 days ago · 8 km deep · 0 km away
  3. 3.060 km SE of Ugashik, Alaska · 1881 days ago · 9 km deep · 1 km away
  4. 1.560 km SE of Ugashik, Alaska · 1881 days ago · 9 km deep · 1 km away
  5. 2.158 km SSE of Ugashik, Alaska · 1881 days ago · 5 km deep · 32 km away
  6. 2.565 km SE of Ugashik, Alaska · 1882 days ago · 10 km deep · 6 km away · felt by 1
  7. 2.072 km ESE of Ugashik, Alaska · 1882 days ago · 1 km deep · 13 km away
  8. 1.685 km WSW of Karluk, Alaska · 1882 days ago · 5 km deep · 52 km away
  9. 1.997 km WSW of Akhiok, Alaska · 1882 days ago · 58 km deep · 69 km away
  10. 2.980 km ESE of Egegik, Alaska · 1882 days ago · 125 km deep · 78 km away
  11. 2.091 km WNW of Karluk, Alaska · 1883 days ago · 11 km deep · 97 km away
  12. 2.196 km SE of Ugashik, Alaska · 1883 days ago · 13 km deep · 41 km away
  13. 2.259 km WSW of Karluk, Alaska · 1884 days ago · 54 km deep · 79 km away
  14. 1.961 km SE of Ugashik, Alaska · 1884 days ago · 5 km deep · 4 km away
  15. 2.7122 km E of Chignik, Alaska · 1884 days ago · 35 km deep · 97 km away
  16. 2.3101 km SSE of Ugashik, Alaska · 1884 days ago · 75 km deep · 54 km away
  17. 1.663 km WSW of Karluk, Alaska · 1885 days ago · 80 km deep · 73 km away
  18. 1.965 km SSE of Ugashik, Alaska · 1885 days ago · 4 km deep · 25 km away
  19. 2.288 km ESE of Ugashik, Alaska · 1885 days ago · 4 km deep · 35 km away · felt by 1
  20. 1.686 km ESE of Ugashik, Alaska · 1885 days ago · 3 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219ywi4x9. Read Tue, Sep 29, 2026, 6:48 AM UTC.