Alaska earthquakes

M1.6 earthquake 78 km SSW of False Pass, Alaska

A magnitude 1.6 earthquake struck 78 km SSW of False Pass, Alaska on Wed, Sep 1, 2021, 7:57 AM AKDT (15:57 UTC), 70 km (43 mi) below the surface.

A larger quake followed: M2.1 88 km SW 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
2021-09-01 15:57:26 UTC
Depth
70.0 km (43.5 mi), intermediate-depth
Epicenter
54.239° N, 163.999° 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
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 57 in the 30 days before it.

After

  1. 2.188 km SW of False Pass, Alaska · 1848 days ago · 76 km deep · 24 km away
  2. 1.661 km SW of False Pass, Alaska · 1847 days ago · 73 km deep · 18 km away
  3. 1.9100 km S of False Pass, Alaska · 1847 days ago · 25 km deep · 46 km away
  4. 1.991 km E of Akutan, Alaska · 1847 days ago · 66 km deep · 25 km away
  5. 4.5147 km S of False Pass, Alaska · 1846 days ago · 12 km deep · 82 km away · felt by 1
  6. 1.9116 km SSW of False Pass, Alaska · 1846 days ago · 26 km deep · 44 km away
  7. 1.9132 km ESE of Akutan, Alaska · 1846 days ago · 25 km deep · 68 km away
  8. 1.799 km S of False Pass, Alaska · 1846 days ago · 42 km deep · 35 km away
  9. 2.6160 km ESE of Akutan, Alaska · 1845 days ago · 25 km deep · 97 km away
  10. 1.681 km SE of Akutan, Alaska · 1844 days ago · 72 km deep · 84 km away
  11. 1.889 km SE of Akutan, Alaska · 1844 days ago · 65 km deep · 80 km away
  12. 1.9118 km ESE of Akutan, Alaska · 1843 days ago · 26 km deep · 48 km away
  13. 1.781 km ESE of Akutan, Alaska · 1843 days ago · 33 km deep · 49 km away
  14. 3.0156 km S of False Pass, Alaska · 1843 days ago · 10 km deep · 92 km away
  15. 2.8161 km S of False Pass, Alaska · 1842 days ago · 29 km deep · 98 km away
  16. 1.880 km ESE of Akutan, Alaska · 1842 days ago · 47 km deep · 70 km away
  17. 1.8147 km S of False Pass, Alaska · 1842 days ago · 26 km deep · 83 km away
  18. 2.421 km ESE of Akutan, Alaska · 1842 days ago · 81 km deep · 97 km away
  19. 3.3157 km S of False Pass, Alaska · 1841 days ago · 26 km deep · 93 km away
  20. 2.9161 km S of False Pass, Alaska · 1841 days ago · 22 km deep · 98 km away
  21. 1.712 km SSW of False Pass, Alaska · 1841 days ago · 115 km deep · 65 km away
  22. 1.8124 km SSW of False Pass, Alaska · 1841 days ago · 26 km deep · 52 km away
  23. 2.0153 km S of False Pass, Alaska · 1841 days ago · 20 km deep · 93 km away
  24. 1.680 km ENE of Akutan, Alaska · 1841 days ago · 29 km deep · 42 km away
  25. 1.834 km S of False Pass, Alaska · 1841 days ago · 78 km deep · 48 km away
  26. 3.2151 km S of False Pass, Alaska · 1840 days ago · 31 km deep · 87 km away
  27. 5.1154 km S of False Pass, Alaska · 1840 days ago · 10 km deep · 91 km away · felt by 5
  28. 2.2154 km S of False Pass, Alaska · 1840 days ago · 41 km deep · 88 km away
  29. 2.5159 km S of False Pass, Alaska · 1839 days ago · 21 km deep · 95 km away
  30. 2.6163 km S of False Pass, Alaska · 1839 days ago · 10 km deep · 100 km away
  31. 3.3151 km S of False Pass, Alaska · 1839 days ago · 22 km deep · 86 km away
  32. 4.1157 km S of False Pass, Alaska · 1839 days ago · 19 km deep · 94 km away
  33. 2.897 km S of False Pass, Alaska · 1839 days ago · 35 km deep · 39 km away
  34. 2.190 km SE of False Pass, Alaska · 1839 days ago · 15 km deep · 94 km away
  35. 2.7157 km S of False Pass, Alaska · 1839 days ago · 29 km deep · 93 km away
  36. 2.6159 km S of False Pass, Alaska · 1839 days ago · 22 km deep · 95 km away
  37. 2.5162 km S of False Pass, Alaska · 1839 days ago · 6 km deep · 98 km away
  38. 2.0160 km S of False Pass, Alaska · 1839 days ago · 22 km deep · 96 km away
  39. 4.7160 km S of False Pass, Alaska · 1837 days ago · 10 km deep · 96 km away
  40. 3.2Unimak Island region, Alaska · 1836 days ago · 34 km deep · 84 km away
  41. 3.2149 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 84 km away
  42. 2.049 km SE of Akutan, Alaska · 1836 days ago · 73 km deep · 89 km away
  43. 2.4160 km S of False Pass, Alaska · 1836 days ago · 37 km deep · 95 km away
  44. 1.841 km SE of Akutan, Alaska · 1836 days ago · 60 km deep · 96 km away
  45. 3.3144 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 82 km away
  46. 3.2142 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 79 km away
  47. 3.638 km SE of Akutan, Alaska · 1836 days ago · 76 km deep · 96 km away
  48. 2.5157 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 95 km away
  49. 3.7152 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 92 km away
  50. 2.1151 km S of False Pass, Alaska · 1834 days ago · 3 km deep · 85 km away
  51. 3.3Unimak Island region, Alaska · 1834 days ago · 71 km deep · 30 km away
  52. 2.8156 km S of False Pass, Alaska · 1834 days ago · 35 km deep · 96 km away
  53. 2.092 km SSW of False Pass, Alaska · 1834 days ago · 51 km deep · 29 km away
  54. 1.938 km S of False Pass, Alaska · 1833 days ago · 69 km deep · 44 km away
  55. 2.393 km S of False Pass, Alaska · 1832 days ago · 26 km deep · 56 km away
  56. 2.043 km ESE of False Pass, Alaska · 1830 days ago · 11 km deep · 97 km away
  57. 1.832 km SE of Akutan, Alaska · 1828 days ago · 65 km deep · 96 km away
  58. 2.054 km E of Akutan, Alaska · 1827 days ago · 71 km deep · 64 km away
  59. 2.092 km S of False Pass, Alaska · 1823 days ago · 21 km deep · 36 km away
  60. 2.088 km SE of Akutan, Alaska · 1823 days ago · 61 km deep · 74 km away

The first 60 of 102.

Before

  1. 1.579 km E of Akutan, Alaska · 1851 days ago · 60 km deep · 44 km away
  2. 1.5114 km ESE of Akutan, Alaska · 1851 days ago · 26 km deep · 53 km away
  3. 1.758 km S of False Pass, Alaska · 1851 days ago · 60 km deep · 42 km away
  4. 2.144 km SE of Akutan, Alaska · 1851 days ago · 61 km deep · 96 km away
  5. 1.943 km SSE of False Pass, Alaska · 1852 days ago · 56 km deep · 56 km away
  6. 1.693 km SSW of False Pass, Alaska · 1852 days ago · 25 km deep · 17 km away
  7. 1.895 km ESE of Akutan, Alaska · 1852 days ago · 25 km deep · 61 km away
  8. 1.997 km S of False Pass, Alaska · 1853 days ago · 14 km deep · 55 km away
  9. 1.917 km W of False Pass, Alaska · 1853 days ago · 105 km deep · 73 km away
  10. 1.770 km S of False Pass, Alaska · 1853 days ago · 31 km deep · 39 km away
  11. 1.889 km S of False Pass, Alaska · 1855 days ago · 26 km deep · 42 km away
  12. 1.536 km S of False Pass, Alaska · 1855 days ago · 56 km deep · 56 km away
  13. 1.891 km SE of False Pass, Alaska · 1856 days ago · 13 km deep · 96 km away
  14. 1.631 km SSE of False Pass, Alaska · 1856 days ago · 11 km deep · 59 km away
  15. 2.088 km SE of False Pass, Alaska · 1856 days ago · 13 km deep · 99 km away
  16. 2.537 km SSE of False Pass, Alaska · 1857 days ago · 10 km deep · 57 km away
  17. 2.099 km SSE of False Pass, Alaska · 1858 days ago · 10 km deep · 66 km away
  18. 1.9Unimak Island region, Alaska · 1859 days ago · 13 km deep · 62 km away
  19. 2.0126 km ESE of Akutan, Alaska · 1859 days ago · 26 km deep · 63 km away
  20. 2.6103 km S of False Pass, Alaska · 1859 days ago · 15 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b7segjk. Read Wed, Sep 23, 2026, 1:54 PM UTC.