Alaska earthquakes

M2.8 earthquake 31 km NNW of Akhiok, Alaska

A magnitude 2.8 earthquake struck 31 km NNW of Akhiok, Alaska on Thu, Jul 29, 2021, 8:12 PM AKDT (04:12 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M2.9 40 km SW of Karluk, 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
2.8 (ml), micro
Local time
UTC
2021-07-30 04:12:11 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
57.224° N, 154.303° 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.

Location uncertainty
About 4.3 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
282°, poorly surrounded by stations
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 2.070 km SW of Akhiok, Alaska · 1881 days ago · 33 km deep · 90 km away
  2. 2.130 km ESE of Old Harbor, Alaska · 1881 days ago · 9 km deep · 90 km away
  3. 2.762 km SW of Akhiok, Alaska · 1881 days ago · 10 km deep · 80 km away
  4. 1.836 km S of Akhiok, Alaska · 1880 days ago · 8 km deep · 68 km away
  5. 1.544 km SW of Akhiok, Alaska · 1879 days ago · 1 km deep · 66 km away
  6. 1.651 km W of Akhiok, Alaska · 1879 days ago · 25 km deep · 57 km away
  7. 1.663 km WSW of Karluk, Alaska · 1879 days ago · 80 km deep · 75 km away
  8. 2.259 km WSW of Karluk, Alaska · 1878 days ago · 54 km deep · 61 km away
  9. 2.827 km W of Akhiok, Alaska · 1877 days ago · 4 km deep · 35 km away
  10. 1.997 km WSW of Akhiok, Alaska · 1877 days ago · 58 km deep · 100 km away
  11. 1.685 km WSW of Karluk, Alaska · 1876 days ago · 5 km deep · 86 km away
  12. 1.830 km W of Akhiok, Alaska · 1876 days ago · 20 km deep · 34 km away
  13. 1.713 km NE of Larsen Bay, Alaska · 1875 days ago · 13 km deep · 54 km away
  14. 2.010 km ESE of Karluk, Alaska · 1875 days ago · 57 km deep · 35 km away
  15. 2.174 km W of Karluk, Alaska · 1873 days ago · 15 km deep · 88 km away
  16. 1.658 km NNW of Karluk, Alaska · 1872 days ago · 94 km deep · 98 km away
  17. 1.821 km WSW of Womens Bay, Alaska · 1871 days ago · 47 km deep · 90 km away
  18. 1.630 km N of Akhiok, Alaska · 1869 days ago · 8 km deep · 12 km away
  19. 1.630 km SSW of Karluk, Alaska · 1869 days ago · 10 km deep · 20 km away
  20. 1.8Kodiak Island region, Alaska · 1867 days ago · 38 km deep · 45 km away
  21. 2.940 km SW of Karluk, Alaska · 1866 days ago · 51 km deep · 39 km away
  22. 1.9Kodiak Island region, Alaska · 1866 days ago · 2 km deep · 96 km away
  23. 2.536 km NNE of Karluk, Alaska · 1865 days ago · 54 km deep · 74 km away
  24. 1.520 km WNW of Karluk, Alaska · 1863 days ago · 74 km deep · 54 km away
  25. 2.431 km SW of Akhiok, Alaska · 1862 days ago · 9 km deep · 52 km away
  26. 1.7Alaska Peninsula · 1862 days ago · 85 km deep · 96 km away
  27. 1.663 km WSW of Akhiok, Alaska · 1861 days ago · 6 km deep · 79 km away
  28. 1.657 km W of Akhiok, Alaska · 1861 days ago · 53 km deep · 63 km away
  29. 2.297 km W of Akhiok, Alaska · 1861 days ago · 79 km deep · 91 km away
  30. 1.558 km WNW of Akhiok, Alaska · 1861 days ago · 56 km deep · 47 km away
  31. 2.5Alaska Peninsula · 1860 days ago · 72 km deep · 72 km away
  32. 1.962 km WNW of Akhiok, Alaska · 1860 days ago · 57 km deep · 53 km away
  33. 1.673 km WNW of Karluk, Alaska · 1860 days ago · 99 km deep · 97 km away
  34. 1.9Alaska Peninsula · 1859 days ago · 87 km deep · 78 km away
  35. 2.155 km SW of Akhiok, Alaska · 1859 days ago · 66 km deep · 78 km away
  36. 1.925 km SE of Larsen Bay, Alaska · 1857 days ago · 7 km deep · 38 km away
  37. 1.9Kodiak Island region, Alaska · 1856 days ago · 56 km deep · 44 km away
  38. 2.0Kodiak Island region, Alaska · 1856 days ago · 61 km deep · 61 km away
  39. 2.421 km SW of Larsen Bay, Alaska · 1854 days ago · 40 km deep · 20 km away
  40. 2.137 km WSW of Karluk, Alaska · 1851 days ago · 72 km deep · 46 km away
  41. 1.57 km WNW of Karluk, Alaska · 1851 days ago · 51 km deep · 43 km away
  42. 1.957 km SW of Akhiok, Alaska · 1851 days ago · 32 km deep · 76 km away
  43. 1.873 km W of Karluk, Alaska · 1850 days ago · 80 km deep · 96 km away
  44. 1.957 km SW of Karluk, Alaska · 1849 days ago · 46 km deep · 54 km away
  45. 1.750 km NNE of Larsen Bay, Alaska · 1848 days ago · 59 km deep · 90 km away
  46. 1.880 km W of Karluk, Alaska · 1848 days ago · 6 km deep · 100 km away
  47. 1.643 km NW of Karluk, Alaska · 1847 days ago · 74 km deep · 81 km away
  48. 3.562 km NW of Karluk, Alaska · 1847 days ago · 83 km deep · 97 km away
  49. 1.75 km N of Karluk, Alaska · 1847 days ago · 47 km deep · 44 km away
  50. 1.798 km ESE of Ugashik, Alaska · 1847 days ago · 67 km deep · 99 km away
  51. 1.831 km E of Akhiok, Alaska · 1847 days ago · 31 km deep · 51 km away
  52. 1.5Alaska Peninsula · 1847 days ago · 5 km deep · 97 km away
  53. 1.574 km WSW of Karluk, Alaska · 1847 days ago · 71 km deep · 75 km away
  54. 1.659 km SE of Akhiok, Alaska · 1846 days ago · 2 km deep · 90 km away
  55. 1.776 km W of Karluk, Alaska · 1845 days ago · 35 km deep · 93 km away
  56. 1.690 km WSW of Akhiok, Alaska · 1845 days ago · 7 km deep · 94 km away
  57. 1.732 km S of Karluk, Alaska · 1844 days ago · 43 km deep · 17 km away
  58. 1.963 km NW of Karluk, Alaska · 1844 days ago · 94 km deep · 98 km away
  59. 1.661 km WNW of Karluk, Alaska · 1844 days ago · 10 km deep · 91 km away
  60. 1.771 km WSW of Karluk, Alaska · 1843 days ago · 61 km deep · 74 km away

The first 60 of 77.

Before

  1. 2.730 km E of Old Harbor, Alaska · 1881 days ago · 10 km deep · 90 km away
  2. 3.757 km WSW of Akhiok, Alaska · 1884 days ago · 41 km deep · 68 km away
  3. 2.228 km WNW of Karluk, Alaska · 1886 days ago · 53 km deep · 63 km away
  4. 2.428 km NW of Karluk, Alaska · 1886 days ago · 35 km deep · 64 km away
  5. 1.918 km NNW of Old Harbor, Alaska · 1886 days ago · 20 km deep · 53 km away
  6. 1.617 km NNE of Old Harbor, Alaska · 1887 days ago · 43 km deep · 70 km away
  7. 2.048 km WSW of Akhiok, Alaska · 1888 days ago · 48 km deep · 56 km away
  8. 1.634 km N of Larsen Bay, Alaska · 1888 days ago · 13 km deep · 72 km away
  9. 1.925 km WNW of Akhiok, Alaska · 1889 days ago · 19 km deep · 23 km away
  10. 1.827 km WSW of Karluk, Alaska · 1890 days ago · 3 km deep · 47 km away
  11. 1.576 km SW of Karluk, Alaska · 1892 days ago · 69 km deep · 70 km away
  12. 3.021 km SSE of Karluk, Alaska · 1893 days ago · 38 km deep · 20 km away
  13. 1.552 km NW of Karluk, Alaska · 1893 days ago · 82 km deep · 90 km away
  14. 2.217 km SW of Akhiok, Alaska · 1893 days ago · 47 km deep · 42 km away
  15. 1.8Kodiak Island region, Alaska · 1893 days ago · 39 km deep · 29 km away
  16. 1.756 km W of Akhiok, Alaska · 1895 days ago · 15 km deep · 62 km away
  17. 2.142 km W of Port Lions, Alaska · 1896 days ago · 48 km deep · 87 km away
  18. 1.537 km W of Akhiok, Alaska · 1899 days ago · 2 km deep · 46 km away
  19. 1.626 km NNE of Larsen Bay, Alaska · 1899 days ago · 45 km deep · 66 km away
  20. 1.987 km SW of Karluk, Alaska · 1900 days ago · 59 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000f0hs. Read Wed, Sep 23, 2026, 2:03 PM UTC.