Alaska earthquakes

M1.6 earthquake 61 km SW of False Pass, Alaska

A magnitude 1.6 earthquake struck 61 km SW of False Pass, Alaska on Wed, Sep 1, 2021, 9:07 PM AKDT (05:07 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M1.9 100 km S of False Pass, 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
1.6 (ml), micro
Local time
UTC
2021-09-02 05:07:05 UTC
Depth
73.0 km (45.4 mi), intermediate-depth
Epicenter
54.401° N, 163.958° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 1.9100 km S of False Pass, Alaska · 1847 days ago · 25 km deep · 59 km away
  2. 1.991 km E of Akutan, Alaska · 1847 days ago · 66 km deep · 34 km away
  3. 4.5147 km S of False Pass, Alaska · 1847 days ago · 12 km deep · 99 km away · felt by 1
  4. 1.9116 km SSW of False Pass, Alaska · 1846 days ago · 26 km deep · 62 km away
  5. 1.9132 km ESE of Akutan, Alaska · 1846 days ago · 25 km deep · 86 km away
  6. 1.799 km S of False Pass, Alaska · 1846 days ago · 42 km deep · 50 km away
  7. 1.681 km SE of Akutan, Alaska · 1844 days ago · 72 km deep · 99 km away
  8. 1.889 km SE of Akutan, Alaska · 1844 days ago · 65 km deep · 97 km away
  9. 1.9118 km ESE of Akutan, Alaska · 1843 days ago · 26 km deep · 66 km away
  10. 1.781 km ESE of Akutan, Alaska · 1843 days ago · 33 km deep · 64 km away
  11. 1.880 km ESE of Akutan, Alaska · 1842 days ago · 47 km deep · 86 km away
  12. 1.8147 km S of False Pass, Alaska · 1842 days ago · 26 km deep · 100 km away
  13. 1.712 km SSW of False Pass, Alaska · 1842 days ago · 115 km deep · 49 km away
  14. 1.8124 km SSW of False Pass, Alaska · 1841 days ago · 26 km deep · 69 km away
  15. 1.680 km ENE of Akutan, Alaska · 1841 days ago · 29 km deep · 42 km away
  16. 1.834 km S of False Pass, Alaska · 1841 days ago · 78 km deep · 35 km away
  17. 2.897 km S of False Pass, Alaska · 1839 days ago · 35 km deep · 52 km away
  18. 2.190 km SE of False Pass, Alaska · 1839 days ago · 15 km deep · 94 km away
  19. 3.3144 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 98 km away
  20. 3.2142 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 95 km away
  21. 3.3Unimak Island region, Alaska · 1835 days ago · 71 km deep · 29 km away
  22. 2.092 km SSW of False Pass, Alaska · 1834 days ago · 51 km deep · 43 km away
  23. 1.938 km S of False Pass, Alaska · 1834 days ago · 69 km deep · 32 km away
  24. 2.393 km S of False Pass, Alaska · 1833 days ago · 26 km deep · 63 km away
  25. 2.043 km ESE of False Pass, Alaska · 1830 days ago · 11 km deep · 85 km away
  26. 2.279 km S of King Cove, Alaska · 1828 days ago · 14 km deep · 97 km away
  27. 2.054 km E of Akutan, Alaska · 1827 days ago · 71 km deep · 72 km away
  28. 2.092 km S of False Pass, Alaska · 1824 days ago · 21 km deep · 48 km away
  29. 2.088 km SE of Akutan, Alaska · 1823 days ago · 61 km deep · 91 km away
  30. 2.165 km ESE of Akutan, Alaska · 1823 days ago · 23 km deep · 69 km away
  31. 1.979 km SE of False Pass, Alaska · 1819 days ago · 33 km deep · 87 km away
  32. 2.151 km S of False Pass, Alaska · 1819 days ago · 63 km deep · 32 km away
  33. 2.260 km E of Akutan, Alaska · 1818 days ago · 76 km deep · 67 km away
  34. 3.0100 km SE of False Pass, Alaska · 1817 days ago · 25 km deep · 99 km away
  35. 2.075 km ESE of Akutan, Alaska · 1817 days ago · 34 km deep · 72 km away
  36. 2.0119 km ESE of Akutan, Alaska · 1816 days ago · 20 km deep · 68 km away
  37. 1.632 km S of False Pass, Alaska · 1815 days ago · 11 km deep · 45 km away
  38. 1.9122 km SSW of False Pass, Alaska · 1814 days ago · 25 km deep · 68 km away
  39. 4.4129 km S of False Pass, Alaska · 1814 days ago · 22 km deep · 91 km away
  40. 2.467 km SSW of False Pass, Alaska · 1807 days ago · 75 km deep · 7 km away
  41. 2.679 km E of Akutan, Alaska · 1807 days ago · 69 km deep · 44 km away
  42. 2.171 km ENE of Akutan, Alaska · 1806 days ago · 82 km deep · 55 km away
  43. 2.164 km ESE of Akutan, Alaska · 1805 days ago · 76 km deep · 88 km away
  44. 2.569 km SSW of False Pass, Alaska · 1804 days ago · 61 km deep · 22 km away
  45. 2.075 km E of Akutan, Alaska · 1804 days ago · 26 km deep · 47 km away
  46. 2.364 km S of False Pass, Alaska · 1801 days ago · 48 km deep · 48 km away
  47. 3.179 km SSE of False Pass, Alaska · 1801 days ago · 35 km deep · 77 km away
  48. 2.0102 km SSW of False Pass, Alaska · 1798 days ago · 20 km deep · 45 km away
  49. 2.557 km SW of False Pass, Alaska · 1797 days ago · 93 km deep · 8 km away
  50. 3.389 km SE of False Pass, Alaska · 1793 days ago · 27 km deep · 96 km away
  51. 3.6102 km SSE of False Pass, Alaska · 1793 days ago · 35 km deep · 76 km away
  52. 2.899 km SSE of False Pass, Alaska · 1793 days ago · 16 km deep · 76 km away
  53. 3.790 km SE of False Pass, Alaska · 1792 days ago · 42 km deep · 95 km away
  54. 2.5110 km ESE of Akutan, Alaska · 1792 days ago · 35 km deep · 64 km away
  55. 1.951 km S of False Pass, Alaska · 1791 days ago · 66 km deep · 32 km away
  56. 2.8117 km SSE of False Pass, Alaska · 1789 days ago · 26 km deep · 97 km away
  57. 2.1113 km ESE of Akutan, Alaska · 1788 days ago · 51 km deep · 62 km away

Before

  1. 2.188 km SW of False Pass, Alaska · 1848 days ago · 76 km deep · 29 km away
  2. 1.678 km SSW of False Pass, Alaska · 1848 days ago · 70 km deep · 18 km away
  3. 2.089 km NNE of Akutan, Alaska · 1849 days ago · 147 km deep · 99 km away
  4. 1.579 km E of Akutan, Alaska · 1851 days ago · 60 km deep · 58 km away
  5. 1.5114 km ESE of Akutan, Alaska · 1851 days ago · 26 km deep · 71 km away
  6. 1.758 km S of False Pass, Alaska · 1851 days ago · 60 km deep · 39 km away
  7. 1.943 km SSE of False Pass, Alaska · 1852 days ago · 56 km deep · 48 km away
  8. 1.693 km SSW of False Pass, Alaska · 1852 days ago · 25 km deep · 32 km away
  9. 1.895 km ESE of Akutan, Alaska · 1853 days ago · 25 km deep · 79 km away
  10. 1.997 km S of False Pass, Alaska · 1853 days ago · 14 km deep · 65 km away
  11. 1.917 km W of False Pass, Alaska · 1853 days ago · 105 km deep · 55 km away
  12. 1.770 km S of False Pass, Alaska · 1853 days ago · 31 km deep · 41 km away
  13. 1.889 km S of False Pass, Alaska · 1855 days ago · 26 km deep · 52 km away
  14. 1.536 km S of False Pass, Alaska · 1855 days ago · 56 km deep · 45 km away
  15. 1.891 km SE of False Pass, Alaska · 1856 days ago · 13 km deep · 96 km away
  16. 1.631 km SSE of False Pass, Alaska · 1856 days ago · 11 km deep · 46 km away
  17. 2.088 km SE of False Pass, Alaska · 1857 days ago · 13 km deep · 97 km away
  18. 2.537 km SSE of False Pass, Alaska · 1857 days ago · 10 km deep · 47 km away
  19. 2.099 km SSE of False Pass, Alaska · 1859 days ago · 10 km deep · 73 km away
  20. 1.9Unimak Island region, Alaska · 1859 days ago · 13 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b99opf1. Read Wed, Sep 23, 2026, 6:46 PM UTC.