Alaska earthquakes

M1.9 earthquake 88 km ENE of Nikolski, Alaska

A magnitude 1.9 earthquake struck 88 km ENE of Nikolski, Alaska on Sat, Mar 20, 2021, 1:53 AM AKDT (09:53 UTC), 55 km (34 mi) below the surface.

A larger quake followed: M3.6 119 km E 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-03-20 09:53:20 UTC
Depth
54.9 km (34.1 mi), shallow
Epicenter
53.151° N, 167.586° 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
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.825 km SSW of Unalaska, Alaska · 2022 days ago · 70 km deep · 85 km away
  2. 2.3124 km S of Unalaska, Alaska · 2018 days ago · 5 km deep · 63 km away
  3. 3.080 km SE of Nikolski, Alaska · 2018 days ago · 35 km deep · 93 km away
  4. 1.8107 km E of Nikolski, Alaska · 2018 days ago · 16 km deep · 33 km away
  5. 1.771 km SSW of Unalaska, Alaska · 2018 days ago · 50 km deep · 48 km away
  6. 1.727 km S of Unalaska, Alaska · 2018 days ago · 89 km deep · 84 km away
  7. 2.938 km SSE of Unalaska, Alaska · 2017 days ago · 80 km deep · 96 km away
  8. 2.049 km SSE of Nikolski, Alaska · 2017 days ago · 21 km deep · 90 km away
  9. 1.6104 km E of Nikolski, Alaska · 2017 days ago · 26 km deep · 31 km away
  10. 2.548 km ESE of Nikolski, Alaska · 2015 days ago · 35 km deep · 58 km away
  11. 1.743 km W of Dutch Harbor, Alaska · 2015 days ago · 7 km deep · 80 km away
  12. 2.834 km SSE of Unalaska, Alaska · 2013 days ago · 70 km deep · 98 km away
  13. 2.077 km SSW of Unalaska, Alaska · 2013 days ago · 25 km deep · 54 km away
  14. 3.093 km WSW of Unalaska, Alaska · 2010 days ago · 71 km deep · 54 km away
  15. 2.11 km SSW of Nikolski, Alaska · 2009 days ago · 50 km deep · 89 km away
  16. 3.446 km ESE of Nikolski, Alaska · 2009 days ago · 35 km deep · 63 km away
  17. 1.849 km SW of Unalaska, Alaska · 2007 days ago · 68 km deep · 57 km away
  18. 1.953 km ESE of Nikolski, Alaska · 2007 days ago · 26 km deep · 56 km away
  19. 1.887 km SSW of Unalaska, Alaska · 2006 days ago · 26 km deep · 39 km away
  20. 2.244 km ESE of Nikolski, Alaska · 2005 days ago · 55 km deep · 59 km away
  21. 1.669 km WSW of Unalaska, Alaska · 2002 days ago · 14 km deep · 48 km away
  22. 1.570 km WSW of Unalaska, Alaska · 2002 days ago · 8 km deep · 50 km away
  23. 3.191 km SE of Nikolski, Alaska · 2001 days ago · 12 km deep · 89 km away
  24. 2.9Fox Islands, Aleutian Islands, Alaska · 2001 days ago · 52 km deep · 36 km away
  25. 2.97 km N of Nikolski, Alaska · 2001 days ago · 70 km deep · 85 km away
  26. 1.969 km E of Nikolski, Alaska · 1999 days ago · 40 km deep · 24 km away
  27. 1.986 km SW of Unalaska, Alaska · 1997 days ago · 26 km deep · 20 km away
  28. 1.769 km S of Unalaska, Alaska · 1997 days ago · 21 km deep · 70 km away
  29. 2.6131 km S of Unalaska, Alaska · 1997 days ago · 4 km deep · 82 km away
  30. 3.0142 km ESE of Nikolski, Alaska · 1995 days ago · 6 km deep · 80 km away
  31. 1.663 km SSW of Unalaska, Alaska · 1995 days ago · 30 km deep · 48 km away
  32. 1.582 km SW of Unalaska, Alaska · 1995 days ago · 62 km deep · 24 km away
  33. 1.755 km ESE of Nikolski, Alaska · 1994 days ago · 26 km deep · 63 km away
  34. 1.523 km W of Dutch Harbor, Alaska · 1992 days ago · 5 km deep · 93 km away
  35. 2.865 km SE of Nikolski, Alaska · 1992 days ago · 35 km deep · 69 km away
  36. 3.234 km SSE of Nikolski, Alaska · 1992 days ago · 35 km deep · 95 km away
  37. 3.286 km E of Nikolski, Alaska · 1990 days ago · 35 km deep · 27 km away
  38. 2.127 km SSE of Nikolski, Alaska · 1989 days ago · 52 km deep · 94 km away
  39. 1.730 km SW of Unalaska, Alaska · 1987 days ago · 79 km deep · 77 km away
  40. 2.869 km SE of Nikolski, Alaska · 1985 days ago · 22 km deep · 69 km away
  41. 2.792 km ESE of Nikolski, Alaska · 1985 days ago · 26 km deep · 46 km away
  42. 3.17 km NW of Nikolski, Alaska · 1985 days ago · 80 km deep · 92 km away
  43. 2.6105 km S of Unalaska, Alaska · 1983 days ago · 32 km deep · 59 km away
  44. 3.6119 km E of Nikolski, Alaska · 1983 days ago · 51 km deep · 47 km away
  45. 2.088 km E of Nikolski, Alaska · 1978 days ago · 50 km deep · 39 km away
  46. 3.653 km ESE of Nikolski, Alaska · 1976 days ago · 35 km deep · 67 km away
  47. 2.240 km ESE of Nikolski, Alaska · 1967 days ago · 30 km deep · 64 km away
  48. 2.955 km SE of Nikolski, Alaska · 1967 days ago · 35 km deep · 77 km away

Before

  1. 3.278 km S of Unalaska, Alaska · 2025 days ago · 25 km deep · 61 km away
  2. 1.574 km S of Unalaska, Alaska · 2025 days ago · 45 km deep · 61 km away
  3. 1.666 km SW of Unalaska, Alaska · 2026 days ago · 13 km deep · 43 km away
  4. 1.986 km SSW of Unalaska, Alaska · 2026 days ago · 26 km deep · 37 km away
  5. 1.979 km S of Unalaska, Alaska · 2026 days ago · 22 km deep · 58 km away
  6. 3.259 km ESE of Nikolski, Alaska · 2027 days ago · 28 km deep · 63 km away
  7. 3.148 km S of Unalaska, Alaska · 2028 days ago · 67 km deep · 70 km away
  8. 2.1146 km ESE of Nikolski, Alaska · 2030 days ago · 26 km deep · 88 km away
  9. 2.9102 km SSW of Unalaska, Alaska · 2034 days ago · 35 km deep · 53 km away
  10. 2.4136 km S of Unalaska, Alaska · 2035 days ago · 5 km deep · 74 km away
  11. 3.746 km ESE of Nikolski, Alaska · 2035 days ago · 44 km deep · 55 km away
  12. 2.167 km ESE of Nikolski, Alaska · 2042 days ago · 16 km deep · 49 km away
  13. 3.279 km SSW of Unalaska, Alaska · 2043 days ago · 10 km deep · 35 km away
  14. 2.8140 km S of Unalaska, Alaska · 2047 days ago · 10 km deep · 91 km away
  15. 3.1133 km S of Unalaska, Alaska · 2047 days ago · 29 km deep · 77 km away
  16. 2.7Fox Islands, Aleutian Islands, Alaska · 2047 days ago · 20 km deep · 76 km away
  17. 2.1135 km S of Unalaska, Alaska · 2047 days ago · 37 km deep · 81 km away
  18. 2.1118 km S of Unalaska, Alaska · 2047 days ago · 6 km deep · 66 km away
  19. 3.374 km SSW of Unalaska, Alaska · 2048 days ago · 35 km deep · 54 km away
  20. 1.984 km S of Unalaska, Alaska · 2048 days ago · 5 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213mt4pwo. Read Sat, Oct 3, 2026, 4:23 AM UTC.