Alaska earthquakes

M3.1 earthquake 19 km S of Nelson Lagoon, Alaska

A magnitude 3.1 earthquake struck 19 km S of Nelson Lagoon, Alaska on Sat, Jun 26, 2021, 11:15 PM AKDT (07:15 UTC), 159 km (99 mi) below the surface.

A larger quake followed: M3.3 30 km S of Sand Point, Alaska. This one was a foreshock.

Sand Point 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
3.1 (ml), minor
Local time
UTC
2021-06-27 07:15:02 UTC
Depth
159.2 km (98.9 mi), intermediate-depth
Epicenter
55.826° N, 161.163° 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 8.1 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
104°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.839 km WSW of Sand Point, Alaska · 1911 days ago · 70 km deep · 65 km away
  2. 2.637 km WSW of Sand Point, Alaska · 1908 days ago · 71 km deep · 73 km away
  3. 1.734 km NNE of King Cove, Alaska · 1903 days ago · 101 km deep · 78 km away
  4. 2.59 km WNW of Ivanof Bay, Alaska · 1901 days ago · 115 km deep · 98 km away
  5. 1.718 km NNE of Sand Point, Alaska · 1900 days ago · 82 km deep · 58 km away
  6. 1.935 km SE of Nelson Lagoon, Alaska · 1899 days ago · 125 km deep · 22 km away
  7. 1.817 km WSW of Ivanof Bay, Alaska · 1893 days ago · 92 km deep · 89 km away
  8. 1.613 km NE of Sand Point, Alaska · 1892 days ago · 61 km deep · 68 km away
  9. 1.852 km SW of Nelson Lagoon, Alaska · 1892 days ago · 123 km deep · 41 km away
  10. 1.831 km NE of Sand Point, Alaska · 1890 days ago · 68 km deep · 75 km away
  11. 1.630 km NE of King Cove, Alaska · 1887 days ago · 22 km deep · 81 km away
  12. 1.641 km W of Ivanof Bay, Alaska · 1887 days ago · 12 km deep · 64 km away
  13. 1.815 km SSE of Sand Point, Alaska · 1885 days ago · 55 km deep · 84 km away
  14. 1.651 km SW of Nelson Lagoon, Alaska · 1884 days ago · 109 km deep · 39 km away
  15. 1.516 km SE of Sand Point, Alaska · 1883 days ago · 6 km deep · 84 km away
  16. 3.132 km NNE of Cold Bay, Alaska · 1882 days ago · 171 km deep · 93 km away
  17. 2.618 km ENE of King Cove, Alaska · 1882 days ago · 113 km deep · 96 km away
  18. 1.523 km E of Sand Point, Alaska · 1881 days ago · 10 km deep · 86 km away
  19. 1.9Alaska Peninsula · 1880 days ago · 80 km deep · 61 km away
  20. 2.229 km E of King Cove, Alaska · 1879 days ago · 96 km deep · 95 km away
  21. 2.760 km NNE of King Cove, Alaska · 1875 days ago · 150 km deep · 58 km away
  22. 3.330 km S of Sand Point, Alaska · 1874 days ago · 10 km deep · 95 km away
  23. 1.727 km SSE of Sand Point, Alaska · 1874 days ago · 6 km deep · 94 km away
  24. 3.020 km N of King Cove, Alaska · 1872 days ago · 161 km deep · 96 km away
  25. 1.838 km SE of Nelson Lagoon, Alaska · 1867 days ago · 136 km deep · 28 km away
  26. 2.915 km NW of Nelson Lagoon, Alaska · 1862 days ago · 203 km deep · 34 km away
  27. 1.730 km SSE of Sand Point, Alaska · 1862 days ago · 57 km deep · 99 km away
  28. 1.618 km S of Nelson Lagoon, Alaska · 1860 days ago · 160 km deep · 6 km away
  29. 2.046 km N of Sand Point, Alaska · 1858 days ago · 99 km deep · 39 km away
  30. 1.542 km WNW of Sand Point, Alaska · 1855 days ago · 93 km deep · 35 km away

Before

  1. 3.055 km WNW of Nelson Lagoon, Alaska · 1923 days ago · 234 km deep · 68 km away
  2. 1.835 km ESE of Sand Point, Alaska · 1941 days ago · 20 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000eq6f. Read Wed, Sep 23, 2026, 2:46 PM UTC.