Alaska earthquakes

M1.9 earthquake 53 km ESE of Nikolski, Alaska

A magnitude 1.9 earthquake struck 53 km ESE of Nikolski, Alaska on Mon, Apr 5, 2021, 3:54 AM AKDT (11:54 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.8 49 km SSW 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
2021-04-05 11:54:38 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
52.763° N, 168.117° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.887 km SSW of Unalaska, Alaska · 1999 days ago · 26 km deep · 86 km away
  2. 2.344 km SSW of Nikolski, Alaska · 1999 days ago · 70 km deep · 66 km away
  3. 2.130 km S of Nikolski, Alaska · 1998 days ago · 41 km deep · 50 km away
  4. 2.244 km ESE of Nikolski, Alaska · 1998 days ago · 55 km deep · 10 km away
  5. 4.849 km SSW of Nikolski, Alaska · 1998 days ago · 42 km deep · 74 km away · felt by 4
  6. 3.635 km W of Nikolski, Alaska · 1996 days ago · 143 km deep · 87 km away
  7. 3.191 km SE of Nikolski, Alaska · 1995 days ago · 12 km deep · 46 km away
  8. 2.9Fox Islands, Aleutian Islands, Alaska · 1995 days ago · 52 km deep · 89 km away
  9. 2.97 km N of Nikolski, Alaska · 1994 days ago · 70 km deep · 56 km away
  10. 1.969 km E of Nikolski, Alaska · 1993 days ago · 40 km deep · 32 km away
  11. 1.986 km SW of Unalaska, Alaska · 1991 days ago · 26 km deep · 76 km away
  12. 3.0142 km ESE of Nikolski, Alaska · 1989 days ago · 6 km deep · 89 km away
  13. 1.582 km SW of Unalaska, Alaska · 1988 days ago · 62 km deep · 80 km away
  14. 1.755 km ESE of Nikolski, Alaska · 1988 days ago · 26 km deep · 8 km away
  15. 2.865 km SE of Nikolski, Alaska · 1986 days ago · 35 km deep · 18 km away
  16. 3.234 km SSE of Nikolski, Alaska · 1986 days ago · 35 km deep · 43 km away
  17. 3.286 km E of Nikolski, Alaska · 1984 days ago · 35 km deep · 39 km away
  18. 2.127 km SSE of Nikolski, Alaska · 1983 days ago · 52 km deep · 44 km away
  19. 2.869 km SE of Nikolski, Alaska · 1979 days ago · 22 km deep · 21 km away
  20. 2.792 km ESE of Nikolski, Alaska · 1979 days ago · 26 km deep · 39 km away
  21. 3.17 km NW of Nikolski, Alaska · 1978 days ago · 80 km deep · 61 km away
  22. 2.6105 km S of Unalaska, Alaska · 1977 days ago · 32 km deep · 91 km away
  23. 3.6119 km E of Nikolski, Alaska · 1976 days ago · 51 km deep · 69 km away
  24. 2.088 km E of Nikolski, Alaska · 1971 days ago · 50 km deep · 37 km away
  25. 3.653 km ESE of Nikolski, Alaska · 1970 days ago · 35 km deep · 11 km away
  26. 2.9106 km S of Nikolski, Alaska · 1963 days ago · 35 km deep · 92 km away
  27. 2.240 km ESE of Nikolski, Alaska · 1961 days ago · 30 km deep · 13 km away
  28. 2.955 km SE of Nikolski, Alaska · 1961 days ago · 35 km deep · 21 km away
  29. 2.746 km ESE of Nikolski, Alaska · 1955 days ago · 24 km deep · 11 km away
  30. 2.637 km ESE of Nikolski, Alaska · 1945 days ago · 34 km deep · 18 km away
  31. 1.686 km SSW of Unalaska, Alaska · 1945 days ago · 23 km deep · 77 km away

Before

  1. 2.142 km WSW of Nikolski, Alaska · 2002 days ago · 16 km deep · 87 km away
  2. 3.446 km ESE of Nikolski, Alaska · 2002 days ago · 35 km deep · 9 km away
  3. 2.11 km SSW of Nikolski, Alaska · 2003 days ago · 50 km deep · 54 km away
  4. 3.093 km WSW of Unalaska, Alaska · 2003 days ago · 71 km deep · 94 km away
  5. 3.244 km WSW of Nikolski, Alaska · 2009 days ago · 31 km deep · 90 km away
  6. 2.548 km ESE of Nikolski, Alaska · 2009 days ago · 35 km deep · 6 km away
  7. 1.6104 km E of Nikolski, Alaska · 2011 days ago · 26 km deep · 58 km away
  8. 2.049 km SSE of Nikolski, Alaska · 2011 days ago · 21 km deep · 34 km away
  9. 1.771 km SSW of Unalaska, Alaska · 2012 days ago · 50 km deep · 100 km away
  10. 1.8107 km E of Nikolski, Alaska · 2012 days ago · 16 km deep · 61 km away
  11. 3.080 km SE of Nikolski, Alaska · 2012 days ago · 35 km deep · 43 km away
  12. 2.3124 km S of Unalaska, Alaska · 2012 days ago · 5 km deep · 83 km away
  13. 1.988 km ENE of Nikolski, Alaska · 2016 days ago · 55 km deep · 56 km away
  14. 3.191 km SSE of Nikolski, Alaska · 2020 days ago · 10 km deep · 58 km away
  15. 1.666 km SW of Unalaska, Alaska · 2020 days ago · 13 km deep · 98 km away
  16. 1.986 km SSW of Unalaska, Alaska · 2020 days ago · 26 km deep · 85 km away
  17. 3.259 km ESE of Nikolski, Alaska · 2020 days ago · 28 km deep · 10 km away
  18. 3.388 km SSE of Nikolski, Alaska · 2023 days ago · 10 km deep · 67 km away
  19. 3.379 km SSE of Nikolski, Alaska · 2023 days ago · 17 km deep · 59 km away
  20. 2.1146 km ESE of Nikolski, Alaska · 2024 days ago · 26 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214daxe8l. Read Sat, Sep 26, 2026, 8:13 PM UTC.