Alaska earthquakes

M1.9 earthquake 136 km ESE of Nikolski, Alaska

A magnitude 1.9 earthquake struck 136 km ESE of Nikolski, Alaska on Wed, Sep 1, 2021, 5:01 PM AKDT (01:01 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.4 39 km ESE of Nikolski, 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
1.9 (ml), micro
Local time
UTC
2021-09-02 01:01:43 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
52.630° N, 166.906° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 42 in the 30 days before it.

After

  1. 2.9103 km ESE of Nikolski, Alaska · 1853 days ago · 25 km deep · 33 km away
  2. 1.570 km SW of Unalaska, Alaska · 1852 days ago · 31 km deep · 85 km away
  3. 2.863 km SSW of Unalaska, Alaska · 1851 days ago · 67 km deep · 81 km away
  4. 3.6127 km S of Unalaska, Alaska · 1849 days ago · 7 km deep · 15 km away
  5. 2.184 km S of Unalaska, Alaska · 1849 days ago · 26 km deep · 56 km away
  6. 1.8144 km S of Unalaska, Alaska · 1849 days ago · 26 km deep · 25 km away
  7. 1.7143 km S of Unalaska, Alaska · 1849 days ago · 21 km deep · 21 km away
  8. 1.6124 km S of Unalaska, Alaska · 1849 days ago · 2 km deep · 18 km away
  9. 2.071 km SE of Nikolski, Alaska · 1847 days ago · 25 km deep · 94 km away
  10. 1.578 km SW of Unalaska, Alaska · 1846 days ago · 31 km deep · 96 km away
  11. 1.8102 km E of Nikolski, Alaska · 1845 days ago · 25 km deep · 42 km away
  12. 2.380 km SE of Nikolski, Alaska · 1838 days ago · 25 km deep · 78 km away
  13. 1.981 km SSE of Unalaska, Alaska · 1838 days ago · 25 km deep · 88 km away
  14. 2.652 km ESE of Nikolski, Alaska · 1834 days ago · 34 km deep · 85 km away
  15. 2.098 km E of Nikolski, Alaska · 1833 days ago · 26 km deep · 44 km away
  16. 2.684 km S of Unalaska, Alaska · 1832 days ago · 35 km deep · 56 km away
  17. 4.439 km ESE of Nikolski, Alaska · 1832 days ago · 39 km deep · 99 km away
  18. 1.944 km ESE of Nikolski, Alaska · 1832 days ago · 39 km deep · 95 km away
  19. 1.846 km SE of Nikolski, Alaska · 1831 days ago · 22 km deep · 94 km away
  20. 1.6Fox Islands, Aleutian Islands, Alaska · 1829 days ago · 23 km deep · 98 km away
  21. 3.2109 km SSW of Unalaska, Alaska · 1828 days ago · 29 km deep · 31 km away
  22. 3.085 km SSW of Unalaska, Alaska · 1828 days ago · 35 km deep · 55 km away
  23. 1.9107 km E of Nikolski, Alaska · 1826 days ago · 14 km deep · 40 km away
  24. 2.191 km SE of Nikolski, Alaska · 1822 days ago · 26 km deep · 81 km away
  25. 2.054 km SSW of Unalaska, Alaska · 1821 days ago · 71 km deep · 91 km away
  26. 2.5107 km ESE of Nikolski, Alaska · 1820 days ago · 23 km deep · 42 km away
  27. 2.984 km E of Nikolski, Alaska · 1819 days ago · 35 km deep · 52 km away
  28. 1.781 km SSE of Unalaska, Alaska · 1818 days ago · 26 km deep · 86 km away
  29. 1.8105 km ESE of Nikolski, Alaska · 1818 days ago · 17 km deep · 36 km away
  30. 4.177 km SSW of Unalaska, Alaska · 1816 days ago · 44 km deep · 64 km away
  31. 2.088 km S of Unalaska, Alaska · 1814 days ago · 41 km deep · 52 km away
  32. 3.091 km SW of Unalaska, Alaska · 1814 days ago · 35 km deep · 77 km away
  33. 2.150 km ENE of Nikolski, Alaska · 1813 days ago · 65 km deep · 95 km away
  34. 3.782 km E of Nikolski, Alaska · 1812 days ago · 42 km deep · 55 km away
  35. 2.082 km SW of Unalaska, Alaska · 1812 days ago · 73 km deep · 99 km away
  36. 1.8103 km ESE of Nikolski, Alaska · 1812 days ago · 26 km deep · 33 km away
  37. 2.882 km S of Unalaska, Alaska · 1811 days ago · 34 km deep · 58 km away
  38. 3.887 km SSW of Unalaska, Alaska · 1811 days ago · 35 km deep · 54 km away
  39. 2.890 km S of Unalaska, Alaska · 1810 days ago · 35 km deep · 50 km away
  40. 3.686 km ENE of Nikolski, Alaska · 1805 days ago · 76 km deep · 83 km away
  41. 1.787 km SSW of Unalaska, Alaska · 1804 days ago · 26 km deep · 56 km away
  42. 3.199 km E of Nikolski, Alaska · 1801 days ago · 35 km deep · 39 km away
  43. 3.0102 km E of Nikolski, Alaska · 1801 days ago · 35 km deep · 37 km away
  44. 2.9102 km E of Nikolski, Alaska · 1801 days ago · 35 km deep · 36 km away
  45. 3.948 km ESE of Nikolski, Alaska · 1798 days ago · 42 km deep · 88 km away
  46. 2.590 km S of Unalaska, Alaska · 1797 days ago · 29 km deep · 51 km away
  47. 3.643 km ESE of Nikolski, Alaska · 1797 days ago · 35 km deep · 94 km away
  48. 1.9Fox Islands, Aleutian Islands, Alaska · 1796 days ago · 21 km deep · 64 km away
  49. 4.477 km S of Unalaska, Alaska · 1796 days ago · 10 km deep · 63 km away
  50. 3.172 km SSW of Unalaska, Alaska · 1796 days ago · 35 km deep · 69 km away
  51. 3.470 km SSW of Unalaska, Alaska · 1796 days ago · 30 km deep · 70 km away
  52. 2.074 km SSW of Unalaska, Alaska · 1796 days ago · 26 km deep · 66 km away
  53. 1.8109 km SE of Unalaska, Alaska · 1794 days ago · 15 km deep · 100 km away
  54. 3.676 km S of Unalaska, Alaska · 1794 days ago · 35 km deep · 64 km away
  55. 1.890 km E of Nikolski, Alaska · 1794 days ago · 51 km deep · 54 km away
  56. 1.7108 km S of Unalaska, Alaska · 1794 days ago · 13 km deep · 35 km away
  57. 1.786 km SSW of Unalaska, Alaska · 1794 days ago · 26 km deep · 67 km away
  58. 2.077 km S of Unalaska, Alaska · 1794 days ago · 26 km deep · 63 km away

Before

  1. 1.9140 km ESE of Nikolski, Alaska · 1854 days ago · 14 km deep · 11 km away
  2. 2.674 km SSW of Unalaska, Alaska · 1855 days ago · 55 km deep · 66 km away
  3. 1.688 km SSW of Unalaska, Alaska · 1855 days ago · 24 km deep · 57 km away
  4. 1.984 km E of Nikolski, Alaska · 1855 days ago · 53 km deep · 58 km away
  5. 2.055 km SE of Nikolski, Alaska · 1856 days ago · 19 km deep · 93 km away
  6. 2.0152 km ESE of Nikolski, Alaska · 1856 days ago · 15 km deep · 20 km away
  7. 1.8135 km ESE of Nikolski, Alaska · 1857 days ago · 25 km deep · 22 km away
  8. 1.789 km E of Nikolski, Alaska · 1857 days ago · 25 km deep · 49 km away
  9. 4.041 km ESE of Nikolski, Alaska · 1857 days ago · 53 km deep · 95 km away
  10. 2.066 km SW of Unalaska, Alaska · 1858 days ago · 14 km deep · 100 km away
  11. 1.857 km ESE of Nikolski, Alaska · 1858 days ago · 37 km deep · 83 km away
  12. 1.757 km ESE of Nikolski, Alaska · 1861 days ago · 26 km deep · 78 km away
  13. 4.251 km SE of Nikolski, Alaska · 1862 days ago · 49 km deep · 96 km away
  14. 1.840 km ESE of Nikolski, Alaska · 1862 days ago · 48 km deep · 96 km away
  15. 2.756 km SE of Nikolski, Alaska · 1862 days ago · 35 km deep · 85 km away
  16. 2.8185 km SSE of Unalaska, Alaska · 1862 days ago · 10 km deep · 77 km away
  17. 1.768 km E of Nikolski, Alaska · 1865 days ago · 30 km deep · 70 km away
  18. 1.8151 km ESE of Nikolski, Alaska · 1866 days ago · 18 km deep · 18 km away
  19. 1.595 km E of Nikolski, Alaska · 1868 days ago · 49 km deep · 48 km away
  20. 2.6100 km SSE of Nikolski, Alaska · 1868 days ago · 35 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b979sg7. Read Tue, Sep 29, 2026, 1:20 PM UTC.