Alaska earthquakes

M1.6 earthquake 45 km ESE of Unalaska, Alaska

A magnitude 1.6 earthquake struck 45 km ESE of Unalaska, Alaska on Thu, Sep 9, 2021, 6:33 AM AKDT (14:33 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M1.8 25 km SE of Akutan, 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
2021-09-09 14:33:48 UTC
Depth
62.5 km (38.8 mi), shallow
Epicenter
53.720° N, 165.901° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.552 km SW of Unalaska, Alaska · 1840 days ago · 14 km deep · 84 km away
  2. 1.825 km SE of Akutan, Alaska · 1839 days ago · 72 km deep · 38 km away
  3. 2.888 km SSE of Akutan, Alaska · 1839 days ago · 35 km deep · 57 km away
  4. 2.049 km SE of Akutan, Alaska · 1836 days ago · 73 km deep · 49 km away
  5. 1.841 km SE of Akutan, Alaska · 1836 days ago · 60 km deep · 41 km away
  6. 3.638 km SE of Akutan, Alaska · 1836 days ago · 76 km deep · 42 km away
  7. 1.65 km SW of Akutan, Alaska · 1833 days ago · 71 km deep · 42 km away
  8. 1.620 km WSW of Dutch Harbor, Alaska · 1832 days ago · 7 km deep · 64 km away
  9. 1.521 km WSW of Dutch Harbor, Alaska · 1832 days ago · 7 km deep · 64 km away
  10. 1.621 km WSW of Dutch Harbor, Alaska · 1832 days ago · 7 km deep · 64 km away
  11. 1.720 km WSW of Dutch Harbor, Alaska · 1832 days ago · 6 km deep · 64 km away
  12. 1.652 km SE of Unalaska, Alaska · 1832 days ago · 25 km deep · 27 km away
  13. 1.651 km SW of Unalaska, Alaska · 1832 days ago · 15 km deep · 83 km away
  14. 1.981 km SSE of Unalaska, Alaska · 1832 days ago · 25 km deep · 57 km away
  15. 1.875 km SSE of Akutan, Alaska · 1828 days ago · 11 km deep · 45 km away
  16. 1.832 km SE of Akutan, Alaska · 1828 days ago · 65 km deep · 42 km away
  17. 3.457 km SSE of Unalaska, Alaska · 1827 days ago · 43 km deep · 33 km away
  18. 2.054 km E of Akutan, Alaska · 1827 days ago · 71 km deep · 76 km away
  19. 2.684 km S of Unalaska, Alaska · 1826 days ago · 35 km deep · 87 km away
  20. 1.818 km WSW of Dutch Harbor, Alaska · 1825 days ago · 7 km deep · 62 km away
  21. 1.820 km WSW of Dutch Harbor, Alaska · 1825 days ago · 5 km deep · 62 km away
  22. 1.720 km WSW of Dutch Harbor, Alaska · 1825 days ago · 5 km deep · 63 km away
  23. 1.712 km W of Akutan, Alaska · 1825 days ago · 5 km deep · 48 km away
  24. 1.670 km SE of Unalaska, Alaska · 1824 days ago · 25 km deep · 32 km away
  25. 2.088 km SE of Akutan, Alaska · 1823 days ago · 61 km deep · 82 km away
  26. 1.6Fox Islands, Aleutian Islands, Alaska · 1823 days ago · 23 km deep · 79 km away
  27. 2.165 km ESE of Akutan, Alaska · 1823 days ago · 23 km deep · 80 km away
  28. 2.096 km SE of Akutan, Alaska · 1822 days ago · 26 km deep · 81 km away
  29. 2.156 km SW of Unalaska, Alaska · 1822 days ago · 89 km deep · 87 km away
  30. 3.085 km SSW of Unalaska, Alaska · 1821 days ago · 35 km deep · 91 km away
  31. 1.668 km SE of Unalaska, Alaska · 1821 days ago · 23 km deep · 29 km away
  32. 2.160 km SSE of Akutan, Alaska · 1820 days ago · 46 km deep · 40 km away
  33. 2.260 km E of Akutan, Alaska · 1818 days ago · 76 km deep · 81 km away
  34. 1.759 km SE of Unalaska, Alaska · 1817 days ago · 13 km deep · 18 km away
  35. 1.9Fox Islands, Aleutian Islands, Alaska · 1817 days ago · 49 km deep · 49 km away
  36. 2.075 km ESE of Akutan, Alaska · 1817 days ago · 34 km deep · 83 km away
  37. 1.876 km SSE of Akutan, Alaska · 1817 days ago · 22 km deep · 43 km away
  38. 2.054 km SSW of Unalaska, Alaska · 1815 days ago · 71 km deep · 75 km away
  39. 1.566 km SE of Unalaska, Alaska · 1815 days ago · 24 km deep · 36 km away
  40. 1.976 km S of Akutan, Alaska · 1814 days ago · 34 km deep · 37 km away
  41. 1.651 km S of Akutan, Alaska · 1812 days ago · 20 km deep · 10 km away
  42. 1.781 km SSE of Unalaska, Alaska · 1812 days ago · 26 km deep · 58 km away
  43. 2.192 km SE of Akutan, Alaska · 1812 days ago · 30 km deep · 78 km away
  44. 4.177 km SSW of Unalaska, Alaska · 1810 days ago · 44 km deep · 86 km away
  45. 1.966 km S of Akutan, Alaska · 1809 days ago · 33 km deep · 24 km away
  46. 2.088 km S of Unalaska, Alaska · 1808 days ago · 41 km deep · 91 km away
  47. 3.090 km SSE of Akutan, Alaska · 1806 days ago · 35 km deep · 62 km away
  48. 2.184 km SE of Akutan, Alaska · 1806 days ago · 26 km deep · 73 km away
  49. 2.010 km ENE of Unalaska, Alaska · 1805 days ago · 92 km deep · 37 km away
  50. 2.882 km S of Unalaska, Alaska · 1805 days ago · 34 km deep · 85 km away
  51. 3.887 km SSW of Unalaska, Alaska · 1804 days ago · 35 km deep · 95 km away
  52. 2.180 km SE of Akutan, Alaska · 1804 days ago · 39 km deep · 64 km away
  53. 2.164 km ESE of Akutan, Alaska · 1804 days ago · 76 km deep · 66 km away
  54. 2.890 km S of Unalaska, Alaska · 1804 days ago · 35 km deep · 92 km away
  55. 2.174 km SSE of Akutan, Alaska · 1803 days ago · 49 km deep · 44 km away
  56. 2.073 km SSE of Akutan, Alaska · 1803 days ago · 49 km deep · 44 km away
  57. 2.080 km SE of Akutan, Alaska · 1800 days ago · 58 km deep · 65 km away
  58. 2.590 km SSE of Akutan, Alaska · 1800 days ago · 35 km deep · 61 km away
  59. 1.746 km SW of Unalaska, Alaska · 1799 days ago · 18 km deep · 78 km away
  60. 2.026 km ESE of Unalaska, Alaska · 1799 days ago · 72 km deep · 19 km away

The first 60 of 106.

Before

  1. 2.421 km ESE of Akutan, Alaska · 1841 days ago · 81 km deep · 50 km away
  2. 1.880 km ESE of Akutan, Alaska · 1841 days ago · 47 km deep · 78 km away
  3. 1.781 km ESE of Akutan, Alaska · 1843 days ago · 33 km deep · 91 km away
  4. 1.913 km S of Akutan, Alaska · 1843 days ago · 111 km deep · 34 km away
  5. 2.184 km S of Unalaska, Alaska · 1843 days ago · 26 km deep · 88 km away
  6. 1.889 km SE of Akutan, Alaska · 1844 days ago · 65 km deep · 80 km away
  7. 1.681 km SE of Akutan, Alaska · 1844 days ago · 72 km deep · 71 km away
  8. 2.863 km SSW of Unalaska, Alaska · 1845 days ago · 67 km deep · 79 km away
  9. 1.818 km NE of Akutan, Alaska · 1846 days ago · 79 km deep · 62 km away
  10. 1.570 km SW of Unalaska, Alaska · 1846 days ago · 31 km deep · 93 km away
  11. 2.948 km SW of Unalaska, Alaska · 1847 days ago · 96 km deep · 74 km away
  12. 1.676 km SSE of Akutan, Alaska · 1848 days ago · 49 km deep · 49 km away
  13. 2.674 km SSW of Unalaska, Alaska · 1849 days ago · 55 km deep · 82 km away
  14. 1.688 km SSW of Unalaska, Alaska · 1849 days ago · 24 km deep · 100 km away
  15. 2.5105 km SE of Unalaska, Alaska · 1850 days ago · 35 km deep · 70 km away
  16. 2.218 km SSE of Unalaska, Alaska · 1850 days ago · 115 km deep · 32 km away
  17. 1.579 km E of Akutan, Alaska · 1850 days ago · 60 km deep · 93 km away
  18. 2.144 km SE of Akutan, Alaska · 1851 days ago · 61 km deep · 41 km away
  19. 2.066 km SW of Unalaska, Alaska · 1851 days ago · 14 km deep · 96 km away
  20. 2.753 km SSE of Akutan, Alaska · 1852 days ago · 39 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bkzynpc. Read Wed, Sep 23, 2026, 5:31 AM UTC.