Alaska earthquakes

M1.8 earthquake 34 km S of False Pass, Alaska

A magnitude 1.8 earthquake struck 34 km S of False Pass, Alaska on Wed, Sep 8, 2021, 6:00 PM AKDT (02:00 UTC), 78 km (49 mi) below the surface.

A larger quake followed: M2.5 92 km S of King Cove, 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
1.8 (ml), micro
Local time
UTC
2021-09-09 02:00:47 UTC
Depth
78.2 km (48.6 mi), intermediate-depth
Epicenter
54.544° N, 163.467° 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
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 2.592 km S of King Cove, Alaska · 1839 days ago · 10 km deep · 86 km away
  2. 2.897 km S of False Pass, Alaska · 1839 days ago · 35 km deep · 63 km away
  3. 2.190 km SE of False Pass, Alaska · 1839 days ago · 15 km deep · 70 km away
  4. 3.3Unimak Island region, Alaska · 1834 days ago · 71 km deep · 28 km away
  5. 2.092 km SSW of False Pass, Alaska · 1833 days ago · 51 km deep · 58 km away
  6. 1.938 km S of False Pass, Alaska · 1833 days ago · 69 km deep · 4 km away
  7. 2.393 km S of False Pass, Alaska · 1832 days ago · 26 km deep · 60 km away
  8. 2.043 km ESE of False Pass, Alaska · 1830 days ago · 11 km deep · 50 km away
  9. 2.279 km S of King Cove, Alaska · 1828 days ago · 14 km deep · 69 km away
  10. 2.092 km S of False Pass, Alaska · 1823 days ago · 21 km deep · 58 km away
  11. 1.979 km SE of False Pass, Alaska · 1818 days ago · 33 km deep · 61 km away
  12. 2.151 km S of False Pass, Alaska · 1818 days ago · 63 km deep · 16 km away
  13. 2.9114 km SSE of False Pass, Alaska · 1817 days ago · 21 km deep · 90 km away
  14. 3.0100 km SE of False Pass, Alaska · 1817 days ago · 25 km deep · 78 km away
  15. 4.0111 km SE of False Pass, Alaska · 1817 days ago · 47 km deep · 88 km away
  16. 2.0119 km ESE of Akutan, Alaska · 1816 days ago · 20 km deep · 92 km away
  17. 1.632 km S of False Pass, Alaska · 1814 days ago · 11 km deep · 9 km away
  18. 1.9122 km SSW of False Pass, Alaska · 1814 days ago · 25 km deep · 88 km away
  19. 4.4129 km S of False Pass, Alaska · 1813 days ago · 22 km deep · 95 km away
  20. 2.467 km SSW of False Pass, Alaska · 1807 days ago · 75 km deep · 39 km away
  21. 2.679 km E of Akutan, Alaska · 1806 days ago · 69 km deep · 79 km away
  22. 2.171 km ENE of Akutan, Alaska · 1806 days ago · 82 km deep · 87 km away
  23. 2.161 km SSE of King Cove, Alaska · 1805 days ago · 25 km deep · 97 km away
  24. 2.153 km S of King Cove, Alaska · 1805 days ago · 52 km deep · 70 km away
  25. 2.569 km SSW of False Pass, Alaska · 1804 days ago · 61 km deep · 36 km away
  26. 2.075 km E of Akutan, Alaska · 1804 days ago · 26 km deep · 82 km away
  27. 3.160 km WNW of Cold Bay, Alaska · 1802 days ago · 163 km deep · 96 km away
  28. 2.364 km S of False Pass, Alaska · 1801 days ago · 48 km deep · 32 km away
  29. 2.212 km WNW of Cold Bay, Alaska · 1801 days ago · 106 km deep · 85 km away
  30. 3.179 km SSE of False Pass, Alaska · 1801 days ago · 35 km deep · 55 km away
  31. 2.0102 km SSW of False Pass, Alaska · 1798 days ago · 20 km deep · 70 km away
  32. 2.557 km SW of False Pass, Alaska · 1796 days ago · 93 km deep · 35 km away
  33. 2.5102 km S of King Cove, Alaska · 1795 days ago · 13 km deep · 84 km away
  34. 3.389 km SE of False Pass, Alaska · 1793 days ago · 27 km deep · 70 km away
  35. 3.6102 km SSE of False Pass, Alaska · 1792 days ago · 35 km deep · 70 km away
  36. 2.899 km SSE of False Pass, Alaska · 1792 days ago · 16 km deep · 68 km away
  37. 3.790 km SE of False Pass, Alaska · 1792 days ago · 42 km deep · 71 km away
  38. 2.5110 km ESE of Akutan, Alaska · 1792 days ago · 35 km deep · 91 km away
  39. 2.654 km SSE of King Cove, Alaska · 1791 days ago · 32 km deep · 87 km away
  40. 1.951 km S of False Pass, Alaska · 1791 days ago · 66 km deep · 17 km away
  41. 2.8117 km SSE of False Pass, Alaska · 1788 days ago · 26 km deep · 88 km away
  42. 2.1113 km ESE of Akutan, Alaska · 1788 days ago · 51 km deep · 88 km away
  43. 1.931 km S of Cold Bay, Alaska · 1787 days ago · 6 km deep · 59 km away
  44. 2.7114 km ESE of Akutan, Alaska · 1787 days ago · 28 km deep · 90 km away
  45. 1.994 km E of Akutan, Alaska · 1786 days ago · 78 km deep · 76 km away
  46. 1.953 km SSE of King Cove, Alaska · 1786 days ago · 46 km deep · 99 km away
  47. 1.883 km SE of False Pass, Alaska · 1786 days ago · 5 km deep · 66 km away
  48. 1.884 km SW of False Pass, Alaska · 1785 days ago · 24 km deep · 58 km away
  49. 2.1120 km ESE of Akutan, Alaska · 1785 days ago · 49 km deep · 88 km away
  50. 1.786 km ENE of Akutan, Alaska · 1784 days ago · 15 km deep · 77 km away
  51. 2.6114 km ESE of Akutan, Alaska · 1784 days ago · 32 km deep · 93 km away
  52. 2.896 km S of False Pass, Alaska · 1782 days ago · 35 km deep · 62 km away
  53. 1.995 km E of Akutan, Alaska · 1781 days ago · 26 km deep · 83 km away
  54. 2.5115 km S of False Pass, Alaska · 1781 days ago · 20 km deep · 81 km away
  55. 2.182 km S of False Pass, Alaska · 1781 days ago · 42 km deep · 48 km away

Before

  1. 1.680 km ENE of Akutan, Alaska · 1841 days ago · 29 km deep · 76 km away
  2. 1.8124 km SSW of False Pass, Alaska · 1841 days ago · 26 km deep · 91 km away
  3. 1.712 km SSW of False Pass, Alaska · 1841 days ago · 115 km deep · 23 km away
  4. 1.781 km ESE of Akutan, Alaska · 1843 days ago · 33 km deep · 97 km away
  5. 1.9118 km ESE of Akutan, Alaska · 1843 days ago · 26 km deep · 90 km away
  6. 1.799 km S of False Pass, Alaska · 1846 days ago · 42 km deep · 65 km away
  7. 1.9116 km SSW of False Pass, Alaska · 1846 days ago · 26 km deep · 83 km away
  8. 1.991 km E of Akutan, Alaska · 1847 days ago · 66 km deep · 69 km away
  9. 1.9100 km S of False Pass, Alaska · 1847 days ago · 25 km deep · 66 km away
  10. 2.090 km S of King Cove, Alaska · 1847 days ago · 28 km deep · 76 km away
  11. 1.661 km SW of False Pass, Alaska · 1847 days ago · 73 km deep · 35 km away
  12. 2.188 km SW of False Pass, Alaska · 1848 days ago · 76 km deep · 64 km away
  13. 1.678 km SSW of False Pass, Alaska · 1848 days ago · 70 km deep · 48 km away
  14. 2.637 km SE of King Cove, Alaska · 1848 days ago · 88 km deep · 99 km away
  15. 1.579 km E of Akutan, Alaska · 1850 days ago · 60 km deep · 92 km away
  16. 1.5114 km ESE of Akutan, Alaska · 1851 days ago · 26 km deep · 96 km away
  17. 1.758 km S of False Pass, Alaska · 1851 days ago · 60 km deep · 25 km away
  18. 1.943 km SSE of False Pass, Alaska · 1852 days ago · 56 km deep · 17 km away
  19. 1.693 km SSW of False Pass, Alaska · 1852 days ago · 25 km deep · 65 km away
  20. 1.997 km S of False Pass, Alaska · 1852 days ago · 14 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bksmfao. Read Wed, Sep 23, 2026, 9:49 AM UTC.