Alaska earthquakes

M1.8 earthquake 157 km SSW of Akhiok, Alaska

A magnitude 1.8 earthquake struck 157 km SSW of Akhiok, Alaska on Fri, Sep 3, 2021, 11:45 AM AKDT (19:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.9 112 km E of Chignik, 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
1.8 (ml), micro
Local time
UTC
2021-09-03 19:45:47 UTC
Depth
10.1 km (6.3 mi), shallow
Epicenter
55.757° N, 155.558° 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
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.2119 km ESE of Chignik, Alaska · 1847 days ago · 20 km deep · 68 km away
  2. 3.3164 km SE of Chignik, Alaska · 1846 days ago · 6 km deep · 98 km away
  3. 2.9185 km SSW of Akhiok, Alaska · 1846 days ago · 11 km deep · 40 km away
  4. 3.5105 km WSW of Akhiok, Alaska · 1845 days ago · 70 km deep · 82 km away
  5. 2.2118 km ESE of Chignik, Alaska · 1845 days ago · 8 km deep · 71 km away
  6. 2.8199 km SE of Chignik, Alaska · 1844 days ago · 12 km deep · 82 km away
  7. 2.6177 km SSW of Akhiok, Alaska · 1843 days ago · 10 km deep · 20 km away
  8. 1.9165 km SE of Chignik, Alaska · 1842 days ago · 15 km deep · 55 km away
  9. 3.0190 km SE of Chignik, Alaska · 1842 days ago · 32 km deep · 54 km away
  10. 2.2161 km SW of Akhiok, Alaska · 1842 days ago · 1 km deep · 14 km away
  11. 2.9167 km SW of Akhiok, Alaska · 1841 days ago · 5 km deep · 11 km away
  12. 2.3167 km SW of Akhiok, Alaska · 1839 days ago · 27 km deep · 12 km away
  13. 1.9128 km SSW of Akhiok, Alaska · 1838 days ago · 7 km deep · 29 km away
  14. 2.5147 km SW of Akhiok, Alaska · 1838 days ago · 2 km deep · 15 km away
  15. 3.9197 km SE of Chignik, Alaska · 1835 days ago · 33 km deep · 98 km away
  16. 5.6181 km SE of Chignik, Alaska · 1834 days ago · 37 km deep · 97 km away · felt by 2
  17. 3.2191 km SE of Chignik, Alaska · 1834 days ago · 34 km deep · 97 km away
  18. 2.7118 km WSW of Akhiok, Alaska · 1831 days ago · 8 km deep · 97 km away
  19. 2.3160 km SSW of Akhiok, Alaska · 1828 days ago · 8 km deep · 24 km away
  20. 2.0157 km SW of Akhiok, Alaska · 1828 days ago · 3 km deep · 14 km away
  21. 2.7168 km ESE of Chignik, Alaska · 1823 days ago · 12 km deep · 34 km away
  22. 3.1south of Alaska · 1821 days ago · 8 km deep · 59 km away
  23. 4.8137 km ESE of Chignik, Alaska · 1819 days ago · 45 km deep · 50 km away · felt by 1 · tsunami flag
  24. 2.4165 km SSW of Akhiok, Alaska · 1816 days ago · 3 km deep · 32 km away
  25. 2.8152 km SE of Chignik, Alaska · 1816 days ago · 60 km deep · 92 km away
  26. 1.9167 km SW of Akhiok, Alaska · 1816 days ago · 9 km deep · 11 km away
  27. 3.0119 km E of Chignik, Alaska · 1814 days ago · 69 km deep · 90 km away
  28. 2.5114 km WSW of Akhiok, Alaska · 1811 days ago · 6 km deep · 72 km away
  29. 2.4106 km E of Chignik, Alaska · 1810 days ago · 1 km deep · 94 km away
  30. 6.9112 km E of Chignik, Alaska · 1809 days ago · 52 km deep · 87 km away · felt by 320 · tsunami flag
  31. 4.2115 km E of Chignik, Alaska · 1809 days ago · 53 km deep · 84 km away
  32. 3.5113 km E of Chignik, Alaska · 1809 days ago · 67 km deep · 81 km away
  33. 2.9118 km E of Chignik, Alaska · 1809 days ago · 65 km deep · 79 km away
  34. 2.6115 km E of Chignik, Alaska · 1809 days ago · 65 km deep · 83 km away
  35. 2.9114 km E of Chignik, Alaska · 1809 days ago · 46 km deep · 84 km away
  36. 3.5116 km E of Chignik, Alaska · 1809 days ago · 72 km deep · 86 km away
  37. 3.0117 km E of Chignik, Alaska · 1809 days ago · 59 km deep · 83 km away
  38. 3.0119 km E of Chignik, Alaska · 1809 days ago · 65 km deep · 74 km away
  39. 3.0114 km E of Chignik, Alaska · 1809 days ago · 65 km deep · 96 km away · felt by 1
  40. 2.1115 km E of Chignik, Alaska · 1809 days ago · 53 km deep · 93 km away
  41. 2.3113 km E of Chignik, Alaska · 1809 days ago · 53 km deep · 87 km away
  42. 2.7Alaska Peninsula · 1809 days ago · 46 km deep · 86 km away
  43. 2.3114 km E of Chignik, Alaska · 1809 days ago · 68 km deep · 87 km away
  44. 2.5115 km E of Chignik, Alaska · 1809 days ago · 74 km deep · 83 km away
  45. 2.5114 km E of Chignik, Alaska · 1809 days ago · 57 km deep · 84 km away
  46. 2.4115 km E of Chignik, Alaska · 1809 days ago · 68 km deep · 85 km away
  47. 2.4117 km E of Chignik, Alaska · 1809 days ago · 72 km deep · 88 km away
  48. 2.5114 km E of Chignik, Alaska · 1809 days ago · 52 km deep · 88 km away
  49. 2.2120 km E of Chignik, Alaska · 1809 days ago · 73 km deep · 83 km away
  50. 2.4116 km E of Chignik, Alaska · 1809 days ago · 72 km deep · 88 km away
  51. 2.9116 km E of Chignik, Alaska · 1809 days ago · 61 km deep · 86 km away
  52. 2.4Alaska Peninsula · 1809 days ago · 65 km deep · 85 km away
  53. 2.8119 km E of Chignik, Alaska · 1809 days ago · 67 km deep · 76 km away
  54. 2.2118 km E of Chignik, Alaska · 1809 days ago · 65 km deep · 77 km away
  55. 2.3113 km E of Chignik, Alaska · 1809 days ago · 71 km deep · 87 km away
  56. 2.4119 km E of Chignik, Alaska · 1809 days ago · 65 km deep · 76 km away
  57. 2.4115 km E of Chignik, Alaska · 1809 days ago · 70 km deep · 93 km away
  58. 2.5117 km E of Chignik, Alaska · 1809 days ago · 61 km deep · 79 km away
  59. 2.4115 km E of Chignik, Alaska · 1809 days ago · 12 km deep · 95 km away
  60. 2.6113 km E of Chignik, Alaska · 1809 days ago · 56 km deep · 92 km away

The first 60 of 158.

Before

  1. 3.3158 km SE of Chignik, Alaska · 1847 days ago · 39 km deep · 69 km away
  2. 2.5161 km SE of Chignik, Alaska · 1847 days ago · 18 km deep · 100 km away
  3. 2.0122 km SE of Chignik, Alaska · 1848 days ago · 27 km deep · 87 km away
  4. 2.6136 km SE of Chignik, Alaska · 1848 days ago · 16 km deep · 80 km away
  5. 2.7146 km SE of Chignik, Alaska · 1849 days ago · 10 km deep · 81 km away
  6. 2.290 km S of Akhiok, Alaska · 1850 days ago · 29 km deep · 82 km away
  7. 3.0169 km ESE of Chignik, Alaska · 1850 days ago · 18 km deep · 34 km away
  8. 1.6south of Alaska · 1851 days ago · 2 km deep · 7 km away
  9. 2.1144 km SE of Chignik, Alaska · 1852 days ago · 47 km deep · 98 km away
  10. 2.8190 km SSW of Akhiok, Alaska · 1852 days ago · 17 km deep · 36 km away
  11. 3.0158 km SE of Chignik, Alaska · 1853 days ago · 40 km deep · 60 km away
  12. 1.9144 km ESE of Chignik, Alaska · 1854 days ago · 50 km deep · 47 km away
  13. 2.4170 km SE of Chignik, Alaska · 1855 days ago · 36 km deep · 57 km away
  14. 2.5155 km SE of Chignik, Alaska · 1855 days ago · 44 km deep · 73 km away
  15. 2.8163 km SE of Chignik, Alaska · 1856 days ago · 33 km deep · 97 km away
  16. 2.4147 km SE of Chignik, Alaska · 1857 days ago · 36 km deep · 82 km away
  17. 2.6158 km SSW of Akhiok, Alaska · 1857 days ago · 41 km deep · 22 km away
  18. 2.6166 km ESE of Chignik, Alaska · 1858 days ago · 16 km deep · 31 km away
  19. 2.4162 km SW of Akhiok, Alaska · 1859 days ago · 46 km deep · 12 km away
  20. 2.5152 km SW of Akhiok, Alaska · 1860 days ago · 25 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bb5scuo. Read Thu, Sep 24, 2026, 2:14 PM UTC.