Alaska earthquakes

M1.9 earthquake 17 km W of Akutan, Alaska

A magnitude 1.9 earthquake struck 17 km W of Akutan, Alaska on Thu, Nov 4, 2021, 3:04 AM AKDT (11:04 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M3.5 39 km SSE 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
1.9 (ml), micro
Local time
UTC
2021-11-04 11:04:33 UTC
Depth
17.0 km (10.6 mi), shallow
Epicenter
54.121° N, 166.042° 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.

Location uncertainty
About 0.7 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
95°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.847 km ESE of Unalaska, Alaska · 1783 days ago · 23 km deep · 49 km away
  2. 1.768 km SE of Unalaska, Alaska · 1783 days ago · 22 km deep · 77 km away
  3. 1.623 km S of Unalaska, Alaska · 1780 days ago · 71 km deep · 58 km away
  4. 1.623 km S of Unalaska, Alaska · 1780 days ago · 71 km deep · 58 km away
  5. 1.519 km ESE of Unalaska, Alaska · 1779 days ago · 79 km deep · 41 km away
  6. 1.554 km SE of Unalaska, Alaska · 1777 days ago · 55 km deep · 60 km away
  7. 1.845 km SW of Unalaska, Alaska · 1775 days ago · 10 km deep · 87 km away
  8. 1.553 km SSE of Akutan, Alaska · 1774 days ago · 43 km deep · 64 km away
  9. 3.539 km SSE of Unalaska, Alaska · 1774 days ago · 65 km deep · 63 km away
  10. 2.080 km ESE of Akutan, Alaska · 1774 days ago · 68 km deep · 97 km away
  11. 1.629 km S of Unalaska, Alaska · 1773 days ago · 13 km deep · 64 km away
  12. 1.965 km S of Unalaska, Alaska · 1771 days ago · 71 km deep · 100 km away
  13. 3.163 km SE of Akutan, Alaska · 1770 days ago · 35 km deep · 74 km away
  14. 1.824 km S of Unalaska, Alaska · 1769 days ago · 25 km deep · 60 km away
  15. 2.671 km NNE of Akutan, Alaska · 1769 days ago · 116 km deep · 78 km away
  16. 2.073 km SE of Akutan, Alaska · 1768 days ago · 52 km deep · 85 km away
  17. 2.986 km SE of Akutan, Alaska · 1768 days ago · 24 km deep · 97 km away
  18. 2.390 km SE of Unalaska, Alaska · 1768 days ago · 46 km deep · 100 km away
  19. 2.054 km SE of Akutan, Alaska · 1768 days ago · 52 km deep · 65 km away
  20. 2.739 km SSW of Akutan, Alaska · 1767 days ago · 76 km deep · 37 km away
  21. 2.051 km S of Akutan, Alaska · 1767 days ago · 32 km deep · 52 km away
  22. 3.446 km SSE of Akutan, Alaska · 1766 days ago · 101 km deep · 53 km away
  23. 2.035 km ESE of Unalaska, Alaska · 1765 days ago · 71 km deep · 39 km away
  24. 1.648 km ESE of Akutan, Alaska · 1765 days ago · 14 km deep · 64 km away
  25. 1.641 km SW of Unalaska, Alaska · 1764 days ago · 68 km deep · 83 km away
  26. 2.633 km NNW of Akutan, Alaska · 1763 days ago · 110 km deep · 33 km away
  27. 1.883 km SSE of Akutan, Alaska · 1763 days ago · 17 km deep · 92 km away
  28. 2.060 km S of Akutan, Alaska · 1763 days ago · 47 km deep · 64 km away
  29. 2.270 km SSE of Unalaska, Alaska · 1762 days ago · 37 km deep · 95 km away
  30. 1.656 km SW of Unalaska, Alaska · 1762 days ago · 71 km deep · 98 km away
  31. 3.133 km SE of Akutan, Alaska · 1761 days ago · 106 km deep · 46 km away
  32. 1.975 km SSE of Akutan, Alaska · 1760 days ago · 41 km deep · 82 km away
  33. 1.783 km SE of Akutan, Alaska · 1760 days ago · 50 km deep · 96 km away
  34. 1.780 km ESE of Akutan, Alaska · 1760 days ago · 48 km deep · 96 km away
  35. 1.958 km S of Akutan, Alaska · 1759 days ago · 55 km deep · 62 km away
  36. 1.980 km SSE of Akutan, Alaska · 1757 days ago · 26 km deep · 89 km away
  37. 1.673 km S of Akutan, Alaska · 1756 days ago · 17 km deep · 77 km away
  38. 2.770 km SSE of Akutan, Alaska · 1754 days ago · 29 km deep · 77 km away
  39. 1.96 km NW of Akutan, Alaska · 1753 days ago · 106 km deep · 15 km away
  40. 1.654 km SW of Unalaska, Alaska · 1753 days ago · 13 km deep · 97 km away
  41. 1.832 km ESE of Akutan, Alaska · 1752 days ago · 46 km deep · 48 km away
  42. 2.066 km SE of Unalaska, Alaska · 1752 days ago · 39 km deep · 73 km away
  43. 3.563 km NNW of Dutch Harbor, Alaska · 1749 days ago · 183 km deep · 58 km away
  44. 1.877 km SE of Unalaska, Alaska · 1749 days ago · 20 km deep · 87 km away
  45. 3.530 km E of Akutan, Alaska · 1749 days ago · 80 km deep · 48 km away
  46. 2.268 km SE of Unalaska, Alaska · 1746 days ago · 29 km deep · 81 km away
  47. 4.574 km SE of Akutan, Alaska · 1746 days ago · 47 km deep · 88 km away
  48. 2.030 km E of Akutan, Alaska · 1746 days ago · 86 km deep · 48 km away
  49. 2.019 km WSW of Akutan, Alaska · 1745 days ago · 90 km deep · 9 km away
  50. 2.173 km SE of Unalaska, Alaska · 1744 days ago · 21 km deep · 77 km away
  51. 1.850 km SE of Akutan, Alaska · 1744 days ago · 56 km deep · 63 km away
  52. 1.973 km SE of Akutan, Alaska · 1742 days ago · 56 km deep · 84 km away
  53. 2.254 km ENE of Akutan, Alaska · 1742 days ago · 115 km deep · 71 km away
  54. 3.4Fox Islands, Aleutian Islands, Alaska · 1741 days ago · 35 km deep · 98 km away
  55. 2.943 km SE of Akutan, Alaska · 1740 days ago · 62 km deep · 56 km away
  56. 1.641 km ESE of Unalaska, Alaska · 1738 days ago · 28 km deep · 41 km away
  57. 1.748 km SSW of Unalaska, Alaska · 1738 days ago · 65 km deep · 90 km away
  58. 1.845 km ESE of Unalaska, Alaska · 1738 days ago · 66 km deep · 46 km away
  59. 1.735 km E of Akutan, Alaska · 1738 days ago · 26 km deep · 53 km away
  60. 2.240 km SE of Unalaska, Alaska · 1737 days ago · 63 km deep · 57 km away

The first 60 of 72.

Before

  1. 2.759 km SSW of Unalaska, Alaska · 1784 days ago · 29 km deep · 100 km away
  2. 1.964 km SSE of Unalaska, Alaska · 1785 days ago · 35 km deep · 91 km away
  3. 1.924 km ENE of Akutan, Alaska · 1785 days ago · 87 km deep · 41 km away
  4. 1.849 km SSE of Unalaska, Alaska · 1786 days ago · 48 km deep · 73 km away
  5. 1.980 km SSE of Akutan, Alaska · 1787 days ago · 25 km deep · 87 km away
  6. 1.967 km SE of Akutan, Alaska · 1788 days ago · 50 km deep · 79 km away
  7. 2.115 km NE of Akutan, Alaska · 1789 days ago · 79 km deep · 32 km away
  8. 1.613 km WSW of Dutch Harbor, Alaska · 1791 days ago · 8 km deep · 54 km away
  9. 1.614 km WSW of Dutch Harbor, Alaska · 1791 days ago · 9 km deep · 55 km away
  10. 2.615 km WSW of Unalaska, Alaska · 1791 days ago · 13 km deep · 56 km away
  11. 1.614 km WSW of Dutch Harbor, Alaska · 1791 days ago · 8 km deep · 55 km away
  12. 2.389 km SSE of Akutan, Alaska · 1792 days ago · 25 km deep · 99 km away
  13. 2.371 km SSE of Akutan, Alaska · 1793 days ago · 63 km deep · 81 km away
  14. 1.513 km WSW of Dutch Harbor, Alaska · 1793 days ago · 10 km deep · 54 km away
  15. 1.513 km WSW of Dutch Harbor, Alaska · 1793 days ago · 10 km deep · 54 km away
  16. 2.276 km SSE of Akutan, Alaska · 1793 days ago · 61 km deep · 85 km away
  17. 3.383 km SE of Akutan, Alaska · 1793 days ago · 27 km deep · 94 km away
  18. 2.084 km SSE of Akutan, Alaska · 1793 days ago · 22 km deep · 92 km away
  19. 2.014 km WSW of Dutch Harbor, Alaska · 1794 days ago · 7 km deep · 55 km away
  20. 2.270 km SE of Unalaska, Alaska · 1794 days ago · 23 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91406726. Read Wed, Sep 23, 2026, 3:33 AM UTC.