Alaska earthquakes

M1.8 earthquake 107 km E of Nikolski, Alaska

A magnitude 1.8 earthquake struck 107 km E of Nikolski, Alaska on Wed, Mar 24, 2021, 8:48 PM AKDT (04:48 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.7 33 km SSW of Unalaska, 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-03-25 04:48:50 UTC
Depth
15.8 km (9.8 mi), shallow
Epicenter
52.928° N, 167.257° 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
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.771 km SSW of Unalaska, Alaska · 2017 days ago · 50 km deep · 45 km away
  2. 1.727 km S of Unalaska, Alaska · 2017 days ago · 89 km deep · 89 km away
  3. 2.938 km SSE of Unalaska, Alaska · 2016 days ago · 80 km deep · 94 km away
  4. 2.049 km SSE of Nikolski, Alaska · 2016 days ago · 21 km deep · 93 km away
  5. 1.6104 km E of Nikolski, Alaska · 2016 days ago · 26 km deep · 3 km away
  6. 2.548 km ESE of Nikolski, Alaska · 2014 days ago · 35 km deep · 65 km away
  7. 2.834 km SSE of Unalaska, Alaska · 2012 days ago · 70 km deep · 97 km away
  8. 2.077 km SSW of Unalaska, Alaska · 2012 days ago · 25 km deep · 44 km away
  9. 3.093 km WSW of Unalaska, Alaska · 2009 days ago · 71 km deep · 85 km away
  10. 3.446 km ESE of Nikolski, Alaska · 2008 days ago · 35 km deep · 70 km away
  11. 1.849 km SW of Unalaska, Alaska · 2006 days ago · 68 km deep · 72 km away
  12. 1.953 km ESE of Nikolski, Alaska · 2006 days ago · 26 km deep · 61 km away
  13. 1.887 km SSW of Unalaska, Alaska · 2005 days ago · 26 km deep · 29 km away
  14. 2.244 km ESE of Nikolski, Alaska · 2004 days ago · 55 km deep · 68 km away
  15. 1.669 km WSW of Unalaska, Alaska · 2001 days ago · 14 km deep · 74 km away
  16. 1.570 km WSW of Unalaska, Alaska · 2001 days ago · 8 km deep · 76 km away
  17. 3.191 km SE of Nikolski, Alaska · 2000 days ago · 12 km deep · 75 km away
  18. 2.9Fox Islands, Aleutian Islands, Alaska · 2000 days ago · 52 km deep · 39 km away
  19. 1.969 km E of Nikolski, Alaska · 1998 days ago · 40 km deep · 39 km away
  20. 1.986 km SW of Unalaska, Alaska · 1996 days ago · 26 km deep · 40 km away
  21. 1.769 km S of Unalaska, Alaska · 1996 days ago · 21 km deep · 59 km away
  22. 2.6131 km S of Unalaska, Alaska · 1996 days ago · 4 km deep · 50 km away
  23. 3.0142 km ESE of Nikolski, Alaska · 1994 days ago · 6 km deep · 47 km away
  24. 1.663 km SSW of Unalaska, Alaska · 1994 days ago · 30 km deep · 52 km away
  25. 1.582 km SW of Unalaska, Alaska · 1994 days ago · 62 km deep · 39 km away
  26. 1.755 km ESE of Nikolski, Alaska · 1993 days ago · 26 km deep · 65 km away
  27. 2.865 km SE of Nikolski, Alaska · 1991 days ago · 35 km deep · 65 km away
  28. 3.286 km E of Nikolski, Alaska · 1989 days ago · 35 km deep · 22 km away
  29. 1.730 km SW of Unalaska, Alaska · 1986 days ago · 79 km deep · 86 km away
  30. 2.869 km SE of Nikolski, Alaska · 1984 days ago · 22 km deep · 63 km away
  31. 2.792 km ESE of Nikolski, Alaska · 1984 days ago · 26 km deep · 28 km away
  32. 2.6105 km S of Unalaska, Alaska · 1982 days ago · 32 km deep · 32 km away
  33. 3.6119 km E of Nikolski, Alaska · 1981 days ago · 51 km deep · 14 km away
  34. 2.088 km E of Nikolski, Alaska · 1977 days ago · 50 km deep · 25 km away
  35. 3.653 km ESE of Nikolski, Alaska · 1975 days ago · 35 km deep · 69 km away
  36. 1.972 km SSE of Unalaska, Alaska · 1967 days ago · 20 km deep · 91 km away
  37. 2.240 km ESE of Nikolski, Alaska · 1966 days ago · 30 km deep · 73 km away
  38. 2.955 km SE of Nikolski, Alaska · 1966 days ago · 35 km deep · 77 km away
  39. 2.746 km ESE of Nikolski, Alaska · 1961 days ago · 24 km deep · 63 km away
  40. 3.733 km SSW of Unalaska, Alaska · 1960 days ago · 77 km deep · 83 km away

Before

  1. 3.080 km SE of Nikolski, Alaska · 2017 days ago · 35 km deep · 85 km away
  2. 2.3124 km S of Unalaska, Alaska · 2017 days ago · 5 km deep · 30 km away
  3. 1.825 km SSW of Unalaska, Alaska · 2020 days ago · 70 km deep · 91 km away
  4. 1.988 km ENE of Nikolski, Alaska · 2022 days ago · 55 km deep · 33 km away
  5. 3.278 km S of Unalaska, Alaska · 2024 days ago · 25 km deep · 48 km away
  6. 1.574 km S of Unalaska, Alaska · 2024 days ago · 45 km deep · 50 km away
  7. 3.191 km SSE of Nikolski, Alaska · 2025 days ago · 10 km deep · 98 km away
  8. 1.666 km SW of Unalaska, Alaska · 2025 days ago · 13 km deep · 64 km away
  9. 1.986 km SSW of Unalaska, Alaska · 2025 days ago · 26 km deep · 29 km away
  10. 1.979 km S of Unalaska, Alaska · 2025 days ago · 22 km deep · 45 km away
  11. 3.259 km ESE of Nikolski, Alaska · 2026 days ago · 28 km deep · 63 km away
  12. 3.148 km S of Unalaska, Alaska · 2027 days ago · 67 km deep · 70 km away
  13. 2.1146 km ESE of Nikolski, Alaska · 2029 days ago · 26 km deep · 55 km away
  14. 2.9102 km SSW of Unalaska, Alaska · 2033 days ago · 35 km deep · 28 km away
  15. 2.4136 km S of Unalaska, Alaska · 2034 days ago · 5 km deep · 41 km away
  16. 3.746 km ESE of Nikolski, Alaska · 2034 days ago · 44 km deep · 64 km away
  17. 2.167 km ESE of Nikolski, Alaska · 2041 days ago · 16 km deep · 48 km away
  18. 3.279 km SSW of Unalaska, Alaska · 2042 days ago · 10 km deep · 37 km away
  19. 2.8140 km S of Unalaska, Alaska · 2046 days ago · 10 km deep · 58 km away
  20. 3.1133 km S of Unalaska, Alaska · 2046 days ago · 29 km deep · 44 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ak0213uzta6x. Read Fri, Oct 2, 2026, 3:52 AM UTC.