Alaska earthquakes

M2.3 earthquake Alaska Peninsula

A magnitude 2.3 earthquake struck in the Alaska Peninsula on Tue, Aug 17, 2021, 5:20 PM AKDT (01:20 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M2.5 57 km SE of False Pass, Alaska. This one was a foreshock.

King Cove forecastMore in Alaska

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
2021-08-18 01:20:48 UTC
Depth
37.3 km (23.2 mi), shallow
Epicenter
54.164° N, 162.505° 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
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.196 km SSE of King Cove, Alaska · 1862 days ago · 26 km deep · 64 km away
  2. 1.679 km SE of King Cove, Alaska · 1861 days ago · 20 km deep · 95 km away
  3. 1.570 km SSW of False Pass, Alaska · 1860 days ago · 53 km deep · 75 km away
  4. 2.557 km SE of False Pass, Alaska · 1859 days ago · 94 km deep · 42 km away
  5. 2.2107 km S of False Pass, Alaska · 1859 days ago · 28 km deep · 80 km away
  6. 2.5118 km SSW of False Pass, Alaska · 1858 days ago · 17 km deep · 96 km away
  7. 2.6103 km S of False Pass, Alaska · 1858 days ago · 15 km deep · 48 km away
  8. 1.9Unimak Island region, Alaska · 1858 days ago · 13 km deep · 73 km away
  9. 2.099 km SSE of False Pass, Alaska · 1858 days ago · 10 km deep · 43 km away
  10. 2.537 km SSE of False Pass, Alaska · 1857 days ago · 10 km deep · 63 km away
  11. 1.813 km SSE of King Cove, Alaska · 1857 days ago · 5 km deep · 89 km away
  12. 1.868 km SE of King Cove, Alaska · 1857 days ago · 26 km deep · 86 km away
  13. 2.088 km SE of False Pass, Alaska · 1856 days ago · 13 km deep · 12 km away
  14. 1.955 km S of King Cove, Alaska · 1856 days ago · 15 km deep · 46 km away
  15. 1.631 km SSE of False Pass, Alaska · 1856 days ago · 11 km deep · 70 km away
  16. 1.891 km SE of False Pass, Alaska · 1856 days ago · 13 km deep · 6 km away
  17. 1.554 km SSE of King Cove, Alaska · 1855 days ago · 44 km deep · 57 km away
  18. 1.536 km S of False Pass, Alaska · 1855 days ago · 56 km deep · 66 km away
  19. 1.869 km SE of King Cove, Alaska · 1854 days ago · 19 km deep · 88 km away
  20. 1.889 km S of False Pass, Alaska · 1854 days ago · 26 km deep · 61 km away
  21. 1.880 km SE of King Cove, Alaska · 1853 days ago · 25 km deep · 93 km away
  22. 1.770 km S of False Pass, Alaska · 1853 days ago · 31 km deep · 59 km away
  23. 1.997 km S of False Pass, Alaska · 1852 days ago · 14 km deep · 54 km away
  24. 1.880 km SE of King Cove, Alaska · 1852 days ago · 28 km deep · 79 km away
  25. 1.795 km SE of King Cove, Alaska · 1852 days ago · 15 km deep · 78 km away
  26. 1.943 km SSE of False Pass, Alaska · 1851 days ago · 56 km deep · 59 km away
  27. 1.758 km S of False Pass, Alaska · 1851 days ago · 60 km deep · 59 km away
  28. 2.9108 km SE of King Cove, Alaska · 1848 days ago · 35 km deep · 81 km away
  29. 1.979 km SE of King Cove, Alaska · 1848 days ago · 15 km deep · 70 km away
  30. 2.637 km SE of King Cove, Alaska · 1848 days ago · 88 km deep · 77 km away
  31. 1.678 km SSW of False Pass, Alaska · 1848 days ago · 70 km deep · 98 km away
  32. 1.661 km SW of False Pass, Alaska · 1847 days ago · 73 km deep · 98 km away
  33. 2.090 km S of King Cove, Alaska · 1847 days ago · 28 km deep · 11 km away
  34. 1.9100 km S of False Pass, Alaska · 1847 days ago · 25 km deep · 68 km away
  35. 1.877 km SE of King Cove, Alaska · 1847 days ago · 26 km deep · 67 km away
  36. 1.981 km SE of King Cove, Alaska · 1847 days ago · 17 km deep · 71 km away
  37. 1.793 km SE of King Cove, Alaska · 1847 days ago · 25 km deep · 78 km away
  38. 1.9116 km SSW of False Pass, Alaska · 1846 days ago · 26 km deep · 98 km away
  39. 2.5101 km SE of King Cove, Alaska · 1846 days ago · 16 km deep · 79 km away
  40. 1.799 km S of False Pass, Alaska · 1846 days ago · 42 km deep · 81 km away
  41. 2.889 km SSE of King Cove, Alaska · 1846 days ago · 35 km deep · 63 km away
  42. 1.582 km SSE of King Cove, Alaska · 1846 days ago · 7 km deep · 58 km away
  43. 1.891 km SE of King Cove, Alaska · 1845 days ago · 26 km deep · 78 km away
  44. 1.679 km SE of King Cove, Alaska · 1845 days ago · 17 km deep · 81 km away
  45. 3.076 km SE of King Cove, Alaska · 1844 days ago · 33 km deep · 90 km away
  46. 1.570 km SE of King Cove, Alaska · 1843 days ago · 34 km deep · 82 km away
  47. 1.585 km SE of King Cove, Alaska · 1842 days ago · 15 km deep · 73 km away
  48. 2.697 km SE of King Cove, Alaska · 1841 days ago · 12 km deep · 75 km away
  49. 1.712 km SSW of False Pass, Alaska · 1841 days ago · 115 km deep · 91 km away
  50. 2.0153 km S of False Pass, Alaska · 1841 days ago · 20 km deep · 98 km away
  51. 1.834 km S of False Pass, Alaska · 1840 days ago · 78 km deep · 75 km away
  52. 2.592 km S of King Cove, Alaska · 1839 days ago · 10 km deep · 18 km away
  53. 2.897 km S of False Pass, Alaska · 1839 days ago · 35 km deep · 74 km away
  54. 2.190 km SE of False Pass, Alaska · 1839 days ago · 15 km deep · 6 km away
  55. 3.3144 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 96 km away
  56. 3.2142 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 95 km away
  57. 3.7152 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 97 km away
  58. 3.3Unimak Island region, Alaska · 1834 days ago · 71 km deep · 69 km away
  59. 2.092 km SSW of False Pass, Alaska · 1833 days ago · 51 km deep · 80 km away
  60. 1.938 km S of False Pass, Alaska · 1833 days ago · 69 km deep · 75 km away

The first 60 of 96.

Before

  1. 2.284 km SSW of False Pass, Alaska · 1862 days ago · 35 km deep · 82 km away
  2. 2.5102 km SSE of False Pass, Alaska · 1862 days ago · 32 km deep · 41 km away
  3. 1.887 km SE of King Cove, Alaska · 1864 days ago · 26 km deep · 72 km away
  4. 1.658 km SSE of King Cove, Alaska · 1864 days ago · 13 km deep · 50 km away
  5. 1.693 km SSE of King Cove, Alaska · 1864 days ago · 14 km deep · 66 km away
  6. 1.651 km SSE of King Cove, Alaska · 1864 days ago · 15 km deep · 68 km away
  7. 1.576 km SSE of King Cove, Alaska · 1865 days ago · 19 km deep · 65 km away
  8. 1.8159 km SSE of False Pass, Alaska · 1866 days ago · 27 km deep · 74 km away
  9. 3.091 km SE of King Cove, Alaska · 1866 days ago · 13 km deep · 80 km away
  10. 2.137 km SE of King Cove, Alaska · 1867 days ago · 82 km deep · 76 km away
  11. 2.185 km S of False Pass, Alaska · 1867 days ago · 46 km deep · 64 km away
  12. 1.659 km SSE of King Cove, Alaska · 1868 days ago · 21 km deep · 54 km away
  13. 1.985 km SSE of False Pass, Alaska · 1868 days ago · 26 km deep · 24 km away
  14. 1.983 km SSE of False Pass, Alaska · 1868 days ago · 25 km deep · 22 km away
  15. 2.879 km SE of King Cove, Alaska · 1868 days ago · 26 km deep · 92 km away
  16. 1.898 km S of False Pass, Alaska · 1868 days ago · 26 km deep · 69 km away
  17. 1.9112 km S of False Pass, Alaska · 1869 days ago · 26 km deep · 61 km away
  18. 1.981 km SSE of False Pass, Alaska · 1869 days ago · 26 km deep · 24 km away
  19. 2.6157 km S of False Pass, Alaska · 1869 days ago · 26 km deep · 86 km away
  20. 2.093 km SE of King Cove, Alaska · 1870 days ago · 26 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021akebn7r. Read Wed, Sep 23, 2026, 6:28 AM UTC.