Alaska earthquakes

M2.1 earthquake 58 km SSE of Halibut Cove, Alaska

A magnitude 2.1 earthquake struck 58 km SSE of Halibut Cove, Alaska on Sat, Sep 4, 2021, 3:04 AM AKDT (11:04 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.6 25 km W of Nanwalek, 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
2.1 (ml), micro
Local time
UTC
2021-09-04 11:04:42 UTC
Depth
15.7 km (9.8 mi), shallow
Epicenter
59.103° N, 150.877° 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
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.867 km SE of Port Graham, Alaska · 1845 days ago · 41 km deep · 20 km away
  2. 3.625 km W of Nanwalek, Alaska · 1844 days ago · 68 km deep · 89 km away
  3. 1.527 km NNW of Nanwalek, Alaska · 1843 days ago · 63 km deep · 89 km away
  4. 1.637 km SSW of Nanwalek, Alaska · 1842 days ago · 71 km deep · 79 km away
  5. 1.524 km SW of Anchor Point, Alaska · 1838 days ago · 87 km deep · 96 km away
  6. 2.063 km ESE of Halibut Cove, Alaska · 1838 days ago · 20 km deep · 56 km away
  7. 2.492 km ENE of Ouzinkie, Alaska · 1838 days ago · 2 km deep · 93 km away
  8. 1.566 km SE of Port Graham, Alaska · 1837 days ago · 39 km deep · 32 km away
  9. 3.114 km E of Fritz Creek, Alaska · 1837 days ago · 46 km deep · 69 km away · felt by 6
  10. 1.826 km WNW of Nanwalek, Alaska · 1837 days ago · 70 km deep · 92 km away
  11. 1.814 km ESE of Fritz Creek, Alaska · 1836 days ago · 46 km deep · 68 km away
  12. 1.614 km SW of Anchor Point, Alaska · 1835 days ago · 57 km deep · 89 km away
  13. 1.69 km WNW of Nanwalek, Alaska · 1833 days ago · 54 km deep · 75 km away
  14. 1.629 km SSE of Port Graham, Alaska · 1832 days ago · 6 km deep · 45 km away
  15. 2.530 km WSW of Nanwalek, Alaska · 1828 days ago · 62 km deep · 90 km away
  16. 1.918 km SW of Nanwalek, Alaska · 1825 days ago · 62 km deep · 76 km away
  17. 2.338 km SE of Fox River, Alaska · 1824 days ago · 48 km deep · 67 km away
  18. 2.116 km WNW of Fox River, Alaska · 1824 days ago · 36 km deep · 93 km away
  19. 2.89 km SSW of Anchor Point, Alaska · 1823 days ago · 54 km deep · 89 km away · felt by 1
  20. 1.515 km WSW of Nanwalek, Alaska · 1823 days ago · 65 km deep · 76 km away
  21. 2.025 km NW of Seldovia, Alaska · 1822 days ago · 45 km deep · 85 km away
  22. 2.241 km SSW of Nanwalek, Alaska · 1821 days ago · 61 km deep · 81 km away
  23. 1.825 km WSW of Nanwalek, Alaska · 1821 days ago · 62 km deep · 84 km away
  24. 1.635 km W of Nanwalek, Alaska · 1820 days ago · 63 km deep · 98 km away
  25. 1.733 km SSW of Nanwalek, Alaska · 1820 days ago · 54 km deep · 76 km away
  26. 2.934 km SSW of Nanwalek, Alaska · 1819 days ago · 70 km deep · 78 km away
  27. 2.070 km SSW of Nanwalek, Alaska · 1818 days ago · 59 km deep · 94 km away
  28. 2.287 km SSE of Port Graham, Alaska · 1817 days ago · 47 km deep · 62 km away
  29. 2.017 km SSW of Nanwalek, Alaska · 1817 days ago · 56 km deep · 68 km away
  30. 1.813 km E of Fritz Creek, Alaska · 1816 days ago · 45 km deep · 70 km away
  31. 1.627 km SW of Anchor Point, Alaska · 1816 days ago · 67 km deep · 93 km away
  32. 1.640 km SW of Nanwalek, Alaska · 1816 days ago · 78 km deep · 91 km away
  33. 1.530 km W of Nanwalek, Alaska · 1815 days ago · 69 km deep · 92 km away
  34. 2.932 km WNW of Nanwalek, Alaska · 1815 days ago · 63 km deep · 98 km away · felt by 1
  35. 1.718 km W of Nanwalek, Alaska · 1812 days ago · 62 km deep · 82 km away
  36. 1.725 km SW of Nanwalek, Alaska · 1812 days ago · 58 km deep · 79 km away
  37. 1.513 km E of Fox River, Alaska · 1811 days ago · 50 km deep · 85 km away
  38. 1.621 km SW of Anchor Point, Alaska · 1811 days ago · 65 km deep · 94 km away
  39. 1.520 km NW of Seldovia Village, Alaska · 1811 days ago · 65 km deep · 81 km away
  40. 1.511 km WSW of Halibut Cove, Alaska · 1811 days ago · 4 km deep · 58 km away
  41. 1.919 km W of Nanwalek, Alaska · 1811 days ago · 54 km deep · 83 km away
  42. 1.737 km WSW of Nanwalek, Alaska · 1810 days ago · 77 km deep · 93 km away
  43. 1.611 km E of Fritz Creek, Alaska · 1810 days ago · 45 km deep · 71 km away
  44. 1.736 km SSW of Nanwalek, Alaska · 1810 days ago · 62 km deep · 76 km away
  45. 1.850 km SE of Port Graham, Alaska · 1809 days ago · 54 km deep · 13 km away
  46. 1.731 km W of Nanwalek, Alaska · 1804 days ago · 64 km deep · 95 km away
  47. 1.726 km WNW of Nanwalek, Alaska · 1804 days ago · 83 km deep · 92 km away
  48. 1.611 km SE of Port Graham, Alaska · 1804 days ago · 58 km deep · 50 km away
  49. 1.732 km NW of Nanwalek, Alaska · 1803 days ago · 73 km deep · 97 km away
  50. 1.717 km NNW of Nanwalek, Alaska · 1800 days ago · 62 km deep · 81 km away
  51. 1.864 km S of Port Graham, Alaska · 1800 days ago · 37 km deep · 68 km away
  52. 1.66 km E of Halibut Cove, Alaska · 1800 days ago · 45 km deep · 56 km away
  53. 1.524 km SW of Nanwalek, Alaska · 1799 days ago · 60 km deep · 79 km away
  54. 2.223 km SE of Fox River, Alaska · 1799 days ago · 31 km deep · 69 km away
  55. 1.915 km WSW of Nanwalek, Alaska · 1798 days ago · 79 km deep · 77 km away
  56. 1.731 km WNW of Nanwalek, Alaska · 1798 days ago · 88 km deep · 97 km away
  57. 1.775 km SSW of Nanwalek, Alaska · 1797 days ago · 13 km deep · 99 km away
  58. 1.911 km NW of Seldovia Village, Alaska · 1796 days ago · 45 km deep · 72 km away
  59. 1.530 km WSW of Nanwalek, Alaska · 1792 days ago · 70 km deep · 92 km away
  60. 1.623 km WSW of Nanwalek, Alaska · 1791 days ago · 60 km deep · 83 km away

The first 60 of 66.

Before

  1. 1.640 km ESE of Fox River, Alaska · 1846 days ago · 15 km deep · 80 km away
  2. 2.028 km S of Nanwalek, Alaska · 1846 days ago · 55 km deep · 62 km away
  3. 2.046 km SW of Nanwalek, Alaska · 1847 days ago · 59 km deep · 89 km away
  4. 1.842 km WSW of Nanwalek, Alaska · 1848 days ago · 77 km deep · 95 km away
  5. 2.124 km S of Nanwalek, Alaska · 1852 days ago · 49 km deep · 64 km away
  6. 1.911 km SE of Halibut Cove, Alaska · 1852 days ago · 8 km deep · 47 km away
  7. 3.615 km WSW of Anchor Point, Alaska · 1853 days ago · 62 km deep · 95 km away · felt by 5
  8. 2.03 km SE of Nikolaevsk, Alaska · 1854 days ago · 52 km deep · 86 km away
  9. 1.67 km SW of Halibut Cove, Alaska · 1854 days ago · 10 km deep · 56 km away
  10. 1.833 km SSW of Nanwalek, Alaska · 1855 days ago · 75 km deep · 77 km away · felt by 1
  11. 1.845 km ESE of Halibut Cove, Alaska · 1855 days ago · 30 km deep · 52 km away
  12. 2.93 km ENE of Kachemak, Alaska · 1856 days ago · 45 km deep · 70 km away · felt by 1
  13. 1.58 km S of Nanwalek, Alaska · 1856 days ago · 54 km deep · 61 km away
  14. 1.991 km ENE of Ouzinkie, Alaska · 1856 days ago · 25 km deep · 95 km away
  15. 1.564 km ESE of Fox River, Alaska · 1856 days ago · 15 km deep · 71 km away
  16. 1.517 km W of Nanwalek, Alaska · 1856 days ago · 70 km deep · 82 km away
  17. 1.633 km SSW of Nanwalek, Alaska · 1857 days ago · 60 km deep · 75 km away
  18. 1.612 km WNW of Fox River, Alaska · 1859 days ago · 53 km deep · 91 km away
  19. 1.850 km SW of Nanwalek, Alaska · 1859 days ago · 58 km deep · 100 km away
  20. 1.53 km NW of Seldovia Village, Alaska · 1860 days ago · 53 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bcobfp0. Read Wed, Sep 23, 2026, 8:10 PM UTC.