Alaska earthquakes

M1.8 earthquake 38 km SE of Nelson Lagoon, Alaska

A magnitude 1.8 earthquake struck 38 km SE of Nelson Lagoon, Alaska on Fri, Aug 13, 2021, 12:38 PM AKDT (20:38 UTC), 136 km (85 mi) below the surface.

A larger quake followed: M3.1 42 km NE of Nelson Lagoon, 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
2021-08-13 20:38:03 UTC
Depth
136.1 km (84.6 mi), intermediate-depth
Epicenter
55.797° N, 160.710° 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: 41 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.61 km SSW of Perryville, Alaska · 1874 days ago · 75 km deep · 98 km away
  2. 1.945 km SSE of Ivanof Bay, Alaska · 1873 days ago · 13 km deep · 92 km away
  3. 2.649 km ESE of Sand Point, Alaska · 1872 days ago · 50 km deep · 88 km away
  4. 2.665 km S of Ivanof Bay, Alaska · 1870 days ago · 33 km deep · 96 km away
  5. 2.915 km NW of Nelson Lagoon, Alaska · 1869 days ago · 203 km deep · 53 km away
  6. 1.730 km SSE of Sand Point, Alaska · 1869 days ago · 57 km deep · 84 km away
  7. 1.618 km S of Nelson Lagoon, Alaska · 1867 days ago · 160 km deep · 34 km away
  8. 1.857 km ESE of Sand Point, Alaska · 1867 days ago · 42 km deep · 95 km away
  9. 2.046 km N of Sand Point, Alaska · 1865 days ago · 99 km deep · 11 km away
  10. 1.542 km WNW of Sand Point, Alaska · 1863 days ago · 93 km deep · 39 km away
  11. 2.136 km NW of Ivanof Bay, Alaska · 1861 days ago · 151 km deep · 65 km away
  12. 2.214 km W of Nelson Lagoon, Alaska · 1861 days ago · 207 km deep · 50 km away
  13. 1.614 km NNW of Sand Point, Alaska · 1861 days ago · 79 km deep · 39 km away
  14. 2.057 km NNE of King Cove, Alaska · 1860 days ago · 115 km deep · 78 km away
  15. 2.617 km SSE of Sand Point, Alaska · 1859 days ago · 2 km deep · 70 km away
  16. 1.516 km SE of Sand Point, Alaska · 1859 days ago · 14 km deep · 68 km away
  17. 1.846 km WSW of Sand Point, Alaska · 1859 days ago · 74 km deep · 79 km away
  18. 1.716 km SSE of Sand Point, Alaska · 1859 days ago · 15 km deep · 69 km away
  19. 1.762 km E of Sand Point, Alaska · 1858 days ago · 41 km deep · 93 km away
  20. 2.753 km SW of Sand Point, Alaska · 1857 days ago · 77 km deep · 97 km away
  21. 1.814 km N of Sand Point, Alaska · 1856 days ago · 76 km deep · 38 km away
  22. 1.753 km SW of Nelson Lagoon, Alaska · 1855 days ago · 120 km deep · 67 km away
  23. 1.645 km E of Sand Point, Alaska · 1852 days ago · 59 km deep · 72 km away
  24. 1.929 km SW of Ivanof Bay, Alaska · 1849 days ago · 5 km deep · 58 km away
  25. 1.622 km W of Ivanof Bay, Alaska · 1848 days ago · 9 km deep · 55 km away
  26. 2.845 km S of Ivanof Bay, Alaska · 1848 days ago · 61 km deep · 77 km away
  27. 2.044 km SE of Sand Point, Alaska · 1846 days ago · 4 km deep · 92 km away
  28. 2.130 km S of Sand Point, Alaska · 1840 days ago · 49 km deep · 83 km away
  29. 3.142 km NE of Nelson Lagoon, Alaska · 1839 days ago · 180 km deep · 48 km away
  30. 2.730 km ESE of Sand Point, Alaska · 1838 days ago · 18 km deep · 77 km away
  31. 1.728 km SW of Sand Point, Alaska · 1836 days ago · 61 km deep · 69 km away
  32. 2.95 km SSW of Nelson Lagoon, Alaska · 1835 days ago · 172 km deep · 38 km away
  33. 1.820 km SSE of Ivanof Bay, Alaska · 1835 days ago · 60 km deep · 86 km away
  34. 2.6Alaska Peninsula · 1835 days ago · 159 km deep · 19 km away
  35. 1.735 km SE of Sand Point, Alaska · 1834 days ago · 5 km deep · 84 km away
  36. 1.644 km S of Ivanof Bay, Alaska · 1832 days ago · 71 km deep · 84 km away
  37. 2.321 km E of Sand Point, Alaska · 1829 days ago · 67 km deep · 62 km away
  38. 2.044 km SE of Sand Point, Alaska · 1822 days ago · 37 km deep · 96 km away
  39. 2.065 km S of Ivanof Bay, Alaska · 1821 days ago · 47 km deep · 95 km away
  40. 2.122 km N of Ivanof Bay, Alaska · 1820 days ago · 4 km deep · 81 km away
  41. 2.155 km ESE of Sand Point, Alaska · 1818 days ago · 2 km deep · 93 km away

Before

  1. 2.260 km E of Sand Point, Alaska · 1878 days ago · 3 km deep · 94 km away
  2. 2.159 km E of Sand Point, Alaska · 1880 days ago · 5 km deep · 93 km away
  3. 1.727 km SSE of Sand Point, Alaska · 1881 days ago · 6 km deep · 80 km away
  4. 3.330 km S of Sand Point, Alaska · 1881 days ago · 10 km deep · 83 km away
  5. 2.760 km NNE of King Cove, Alaska · 1883 days ago · 150 km deep · 83 km away
  6. 2.934 km S of Ivanof Bay, Alaska · 1887 days ago · 61 km deep · 75 km away
  7. 1.9Alaska Peninsula · 1887 days ago · 80 km deep · 70 km away
  8. 1.523 km E of Sand Point, Alaska · 1888 days ago · 10 km deep · 64 km away
  9. 1.817 km NNE of Ivanof Bay, Alaska · 1888 days ago · 5 km deep · 87 km away
  10. 1.937 km S of Ivanof Bay, Alaska · 1888 days ago · 52 km deep · 87 km away
  11. 1.516 km SE of Sand Point, Alaska · 1890 days ago · 6 km deep · 66 km away
  12. 1.651 km SW of Nelson Lagoon, Alaska · 1892 days ago · 109 km deep · 64 km away
  13. 1.815 km SSE of Sand Point, Alaska · 1893 days ago · 55 km deep · 68 km away
  14. 1.641 km W of Ivanof Bay, Alaska · 1894 days ago · 12 km deep · 37 km away
  15. 1.831 km NE of Sand Point, Alaska · 1897 days ago · 68 km deep · 50 km away
  16. 1.852 km SW of Nelson Lagoon, Alaska · 1899 days ago · 123 km deep · 65 km away
  17. 1.613 km NE of Sand Point, Alaska · 1899 days ago · 61 km deep · 47 km away
  18. 2.242 km S of Ivanof Bay, Alaska · 1900 days ago · 55 km deep · 82 km away
  19. 1.817 km WSW of Ivanof Bay, Alaska · 1900 days ago · 92 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021acg1wtm. Read Wed, Sep 30, 2026, 9:40 PM UTC.