Alaska earthquakes

M1.8 earthquake 75 km SSE of Akutan, Alaska

A magnitude 1.8 earthquake struck 75 km SSE of Akutan, Alaska on Mon, Sep 20, 2021, 6:22 PM AKDT (02:22 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.4 77 km S of Unalaska, Alaska. This one was a foreshock.

Akutan 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
2021-09-21 02:22:13 UTC
Depth
10.8 km (6.7 mi), shallow
Epicenter
53.514° N, 165.321° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 1.832 km SE of Akutan, Alaska · 1834 days ago · 65 km deep · 48 km away
  2. 3.457 km SSE of Unalaska, Alaska · 1833 days ago · 43 km deep · 50 km away
  3. 2.054 km E of Akutan, Alaska · 1833 days ago · 71 km deep · 70 km away
  4. 1.712 km W of Akutan, Alaska · 1831 days ago · 5 km deep · 82 km away
  5. 1.670 km SE of Unalaska, Alaska · 1831 days ago · 25 km deep · 28 km away
  6. 2.9140 km SE of Akutan, Alaska · 1830 days ago · 30 km deep · 79 km away
  7. 2.088 km SE of Akutan, Alaska · 1829 days ago · 61 km deep · 48 km away
  8. 2.165 km ESE of Akutan, Alaska · 1829 days ago · 23 km deep · 65 km away
  9. 2.096 km SE of Akutan, Alaska · 1829 days ago · 26 km deep · 41 km away
  10. 1.668 km SE of Unalaska, Alaska · 1828 days ago · 23 km deep · 29 km away
  11. 2.160 km SSE of Akutan, Alaska · 1826 days ago · 46 km deep · 18 km away
  12. 2.260 km E of Akutan, Alaska · 1824 days ago · 76 km deep · 73 km away
  13. 1.759 km SE of Unalaska, Alaska · 1823 days ago · 13 km deep · 31 km away
  14. 1.9Fox Islands, Aleutian Islands, Alaska · 1823 days ago · 49 km deep · 30 km away
  15. 2.075 km ESE of Akutan, Alaska · 1823 days ago · 34 km deep · 61 km away
  16. 1.876 km SSE of Akutan, Alaska · 1823 days ago · 22 km deep · 4 km away
  17. 2.0119 km ESE of Akutan, Alaska · 1822 days ago · 20 km deep · 89 km away
  18. 1.566 km SE of Unalaska, Alaska · 1821 days ago · 24 km deep · 42 km away
  19. 1.976 km S of Akutan, Alaska · 1820 days ago · 34 km deep · 17 km away
  20. 1.9122 km SSW of False Pass, Alaska · 1820 days ago · 25 km deep · 99 km away
  21. 1.651 km S of Akutan, Alaska · 1818 days ago · 20 km deep · 34 km away
  22. 1.781 km SSE of Unalaska, Alaska · 1818 days ago · 26 km deep · 59 km away
  23. 2.192 km SE of Akutan, Alaska · 1818 days ago · 30 km deep · 39 km away
  24. 1.966 km S of Akutan, Alaska · 1816 days ago · 33 km deep · 25 km away
  25. 3.090 km SSE of Akutan, Alaska · 1813 days ago · 35 km deep · 18 km away
  26. 2.679 km E of Akutan, Alaska · 1812 days ago · 69 km deep · 94 km away
  27. 2.184 km SE of Akutan, Alaska · 1812 days ago · 26 km deep · 37 km away
  28. 2.2161 km SSE of Unalaska, Alaska · 1812 days ago · 9 km deep · 97 km away
  29. 2.010 km ENE of Unalaska, Alaska · 1812 days ago · 92 km deep · 81 km away
  30. 3.4132 km SE of Akutan, Alaska · 1811 days ago · 13 km deep · 74 km away
  31. 2.180 km SE of Akutan, Alaska · 1810 days ago · 39 km deep · 26 km away
  32. 2.164 km ESE of Akutan, Alaska · 1810 days ago · 76 km deep · 45 km away
  33. 2.075 km E of Akutan, Alaska · 1810 days ago · 26 km deep · 95 km away
  34. 2.174 km SSE of Akutan, Alaska · 1810 days ago · 49 km deep · 1 km away
  35. 2.073 km SSE of Akutan, Alaska · 1810 days ago · 49 km deep · 3 km away
  36. 2.080 km SE of Akutan, Alaska · 1807 days ago · 58 km deep · 28 km away
  37. 2.590 km SSE of Akutan, Alaska · 1806 days ago · 35 km deep · 17 km away
  38. 2.026 km ESE of Unalaska, Alaska · 1806 days ago · 72 km deep · 63 km away
  39. 1.872 km SSE of Akutan, Alaska · 1805 days ago · 3 km deep · 3 km away
  40. 2.061 km SSE of Akutan, Alaska · 1805 days ago · 14 km deep · 18 km away
  41. 3.0138 km SE of Unalaska, Alaska · 1802 days ago · 8 km deep · 73 km away
  42. 2.051 km SSE of Akutan, Alaska · 1800 days ago · 75 km deep · 25 km away
  43. 2.270 km SE of Unalaska, Alaska · 1800 days ago · 23 km deep · 28 km away
  44. 2.084 km SSE of Akutan, Alaska · 1800 days ago · 22 km deep · 9 km away
  45. 3.383 km SE of Akutan, Alaska · 1800 days ago · 27 km deep · 19 km away
  46. 2.276 km SSE of Akutan, Alaska · 1800 days ago · 61 km deep · 8 km away
  47. 3.193 km SSE of Akutan, Alaska · 1800 days ago · 29 km deep · 21 km away
  48. 2.371 km SSE of Akutan, Alaska · 1799 days ago · 63 km deep · 9 km away
  49. 2.389 km SSE of Akutan, Alaska · 1799 days ago · 25 km deep · 19 km away
  50. 2.5110 km ESE of Akutan, Alaska · 1798 days ago · 35 km deep · 84 km away
  51. 4.477 km S of Unalaska, Alaska · 1796 days ago · 10 km deep · 99 km away
  52. 2.115 km NE of Akutan, Alaska · 1795 days ago · 79 km deep · 79 km away
  53. 1.967 km SE of Akutan, Alaska · 1794 days ago · 50 km deep · 23 km away
  54. 1.8109 km SE of Unalaska, Alaska · 1794 days ago · 15 km deep · 54 km away
  55. 3.676 km S of Unalaska, Alaska · 1794 days ago · 35 km deep · 97 km away
  56. 2.1113 km ESE of Akutan, Alaska · 1794 days ago · 51 km deep · 88 km away
  57. 1.980 km SSE of Akutan, Alaska · 1794 days ago · 25 km deep · 5 km away
  58. 2.7114 km ESE of Akutan, Alaska · 1793 days ago · 28 km deep · 87 km away
  59. 1.694 km SE of Unalaska, Alaska · 1793 days ago · 22 km deep · 43 km away
  60. 3.9146 km SE of Akutan, Alaska · 1793 days ago · 10 km deep · 84 km away

The first 60 of 99.

Before

  1. 1.981 km SSE of Unalaska, Alaska · 1838 days ago · 25 km deep · 57 km away
  2. 1.652 km SE of Unalaska, Alaska · 1838 days ago · 25 km deep · 49 km away
  3. 1.65 km SW of Akutan, Alaska · 1840 days ago · 71 km deep · 73 km away
  4. 3.638 km SE of Akutan, Alaska · 1842 days ago · 76 km deep · 43 km away
  5. 1.841 km SE of Akutan, Alaska · 1842 days ago · 60 km deep · 39 km away
  6. 2.049 km SE of Akutan, Alaska · 1842 days ago · 73 km deep · 39 km away
  7. 2.888 km SSE of Akutan, Alaska · 1845 days ago · 35 km deep · 14 km away
  8. 1.825 km SE of Akutan, Alaska · 1845 days ago · 72 km deep · 52 km away
  9. 1.645 km ESE of Unalaska, Alaska · 1846 days ago · 63 km deep · 45 km away
  10. 1.8124 km SSW of False Pass, Alaska · 1847 days ago · 26 km deep · 95 km away
  11. 2.421 km ESE of Akutan, Alaska · 1848 days ago · 81 km deep · 64 km away
  12. 1.880 km ESE of Akutan, Alaska · 1848 days ago · 47 km deep · 49 km away
  13. 1.781 km ESE of Akutan, Alaska · 1849 days ago · 33 km deep · 69 km away
  14. 1.913 km S of Akutan, Alaska · 1849 days ago · 111 km deep · 63 km away
  15. 1.9118 km ESE of Akutan, Alaska · 1849 days ago · 26 km deep · 90 km away
  16. 1.889 km SE of Akutan, Alaska · 1850 days ago · 65 km deep · 44 km away
  17. 1.681 km SE of Akutan, Alaska · 1850 days ago · 72 km deep · 37 km away
  18. 1.818 km NE of Akutan, Alaska · 1852 days ago · 79 km deep · 82 km away
  19. 1.9132 km ESE of Akutan, Alaska · 1852 days ago · 25 km deep · 92 km away
  20. 1.676 km SSE of Akutan, Alaska · 1854 days ago · 49 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021c4n78rc. Read Tue, Sep 29, 2026, 1:44 PM UTC.