Alaska earthquakes

M1.8 earthquake 69 km SE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 69 km SE of Unalaska, Alaska on Tue, Mar 16, 2021, 4:29 PM AKDT (00:29 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M3.3 66 km SE of Unalaska, Alaska. This one was a foreshock.

Unalaska 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
1.8 (ml), micro
Local time
UTC
2021-03-17 00:29:56 UTC
Depth
43.1 km (26.8 mi), shallow
Epicenter
53.442° N, 165.772° 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: 75 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 2.075 km ESE of Akutan, Alaska · 2020 days ago · 44 km deep · 74 km away
  2. 1.762 km SSE of Akutan, Alaska · 2019 days ago · 25 km deep · 41 km away
  3. 1.574 km S of Unalaska, Alaska · 2019 days ago · 45 km deep · 65 km away
  4. 1.561 km ESE of Unalaska, Alaska · 2019 days ago · 25 km deep · 15 km away
  5. 3.278 km S of Unalaska, Alaska · 2019 days ago · 25 km deep · 67 km away
  6. 1.855 km ESE of Akutan, Alaska · 2017 days ago · 62 km deep · 78 km away
  7. 1.825 km SSW of Unalaska, Alaska · 2016 days ago · 70 km deep · 60 km away
  8. 2.161 km SE of Akutan, Alaska · 2016 days ago · 26 km deep · 45 km away
  9. 1.982 km SSE of Akutan, Alaska · 2016 days ago · 25 km deep · 33 km away
  10. 3.077 km SE of Unalaska, Alaska · 2015 days ago · 27 km deep · 9 km away
  11. 2.070 km SE of Unalaska, Alaska · 2015 days ago · 15 km deep · 1 km away
  12. 2.266 km SE of Unalaska, Alaska · 2015 days ago · 48 km deep · 3 km away
  13. 2.880 km SE of Unalaska, Alaska · 2015 days ago · 35 km deep · 12 km away
  14. 1.771 km SSW of Unalaska, Alaska · 2012 days ago · 50 km deep · 76 km away
  15. 1.727 km S of Unalaska, Alaska · 2012 days ago · 89 km deep · 58 km away
  16. 2.938 km SSE of Unalaska, Alaska · 2011 days ago · 80 km deep · 38 km away
  17. 2.288 km SE of Akutan, Alaska · 2010 days ago · 47 km deep · 64 km away
  18. 3.080 km ESE of Akutan, Alaska · 2010 days ago · 27 km deep · 84 km away
  19. 3.1Unimak Island region, Alaska · 2009 days ago · 66 km deep · 67 km away
  20. 2.834 km SSE of Unalaska, Alaska · 2007 days ago · 70 km deep · 39 km away
  21. 2.077 km SSW of Unalaska, Alaska · 2007 days ago · 25 km deep · 72 km away
  22. 2.870 km SSE of Akutan, Alaska · 2006 days ago · 47 km deep · 24 km away
  23. 3.366 km SE of Unalaska, Alaska · 2006 days ago · 35 km deep · 6 km away
  24. 1.834 km SE of Akutan, Alaska · 2005 days ago · 70 km deep · 56 km away
  25. 1.679 km SE of Unalaska, AK · 2004 days ago · 22 km deep · 9 km away
  26. 2.769 km ESE of Akutan, Alaska · 2004 days ago · 59 km deep · 89 km away
  27. 1.849 km SW of Unalaska, Alaska · 2001 days ago · 68 km deep · 88 km away
  28. 1.887 km SSW of Unalaska, Alaska · 2000 days ago · 26 km deep · 88 km away
  29. 1.979 km SE of Akutan, Alaska · 2000 days ago · 61 km deep · 59 km away
  30. 3.1Fox Islands, Aleutian Islands, Alaska · 2000 days ago · 20 km deep · 9 km away
  31. 1.878 km SSE of Akutan, Alaska · 1999 days ago · 26 km deep · 32 km away
  32. 2.018 km ENE of Akutan, Alaska · 1997 days ago · 87 km deep · 86 km away
  33. 2.045 km SE of Unalaska, Alaska · 1996 days ago · 39 km deep · 25 km away
  34. 2.9Fox Islands, Aleutian Islands, Alaska · 1996 days ago · 52 km deep · 88 km away
  35. 2.058 km S of Akutan, Alaska · 1994 days ago · 82 km deep · 21 km away
  36. 1.879 km SE of Unalaska, Alaska · 1994 days ago · 16 km deep · 13 km away
  37. 2.024 km S of Akutan, Alaska · 1993 days ago · 98 km deep · 53 km away
  38. 1.99 km E of Akutan, Alaska · 1993 days ago · 101 km deep · 78 km away
  39. 1.872 km SSE of Akutan, Alaska · 1993 days ago · 59 km deep · 36 km away
  40. 1.877 km SSE of Akutan, Alaska · 1993 days ago · 48 km deep · 34 km away
  41. 1.672 km SE of Akutan, Alaska · 1993 days ago · 48 km deep · 45 km away
  42. 2.582 km SSE of Akutan, Alaska · 1993 days ago · 35 km deep · 36 km away
  43. 1.769 km S of Unalaska, Alaska · 1991 days ago · 21 km deep · 56 km away
  44. 1.663 km SSW of Unalaska, Alaska · 1990 days ago · 30 km deep · 79 km away
  45. 1.882 km SE of Akutan, Alaska · 1990 days ago · 60 km deep · 64 km away
  46. 1.687 km SE of Unalaska, Alaska · 1989 days ago · 68 km deep · 18 km away
  47. 1.737 km ESE of Akutan, Alaska · 1989 days ago · 94 km deep · 78 km away
  48. 1.797 km SE of Akutan, Alaska · 1988 days ago · 25 km deep · 69 km away
  49. 2.68 km WNW of Dutch Harbor, Alaska · 1988 days ago · 114 km deep · 79 km away
  50. 1.778 km ESE of Akutan, Alaska · 1988 days ago · 26 km deep · 94 km away
  51. 1.523 km W of Dutch Harbor, Alaska · 1987 days ago · 5 km deep · 89 km away
  52. 2.288 km SE of Akutan, Alaska · 1986 days ago · 51 km deep · 58 km away
  53. 1.926 km ESE of Unalaska, Alaska · 1985 days ago · 74 km deep · 46 km away
  54. 2.169 km SE of Unalaska, Alaska · 1985 days ago · 23 km deep · 8 km away
  55. 2.039 km SSE of Akutan, Alaska · 1984 days ago · 77 km deep · 44 km away
  56. 2.2113 km SSE of Akutan, Alaska · 1984 days ago · 25 km deep · 55 km away
  57. 1.865 km SE of Unalaska, Alaska · 1982 days ago · 11 km deep · 4 km away
  58. 1.778 km SSE of Akutan, Alaska · 1982 days ago · 17 km deep · 29 km away
  59. 1.730 km SW of Unalaska, Alaska · 1981 days ago · 79 km deep · 71 km away
  60. 1.9141 km SE of Akutan, Alaska · 1981 days ago · 15 km deep · 95 km away

The first 60 of 75.

Before

  1. 2.686 km SE of Akutan, Alaska · 2021 days ago · 64 km deep · 75 km away
  2. 3.189 km SE of Akutan, Alaska · 2021 days ago · 35 km deep · 76 km away
  3. 2.180 km SE of Akutan, Alaska · 2021 days ago · 61 km deep · 74 km away
  4. 1.986 km SSW of Unalaska, Alaska · 2021 days ago · 26 km deep · 89 km away
  5. 1.979 km S of Unalaska, Alaska · 2021 days ago · 22 km deep · 70 km away
  6. 2.636 km SE of Unalaska, Alaska · 2022 days ago · 41 km deep · 33 km away
  7. 3.148 km S of Unalaska, Alaska · 2023 days ago · 67 km deep · 59 km away
  8. 1.956 km SE of Unalaska, Alaska · 2023 days ago · 25 km deep · 14 km away
  9. 2.750 km S of Akutan, Alaska · 2023 days ago · 62 km deep · 26 km away
  10. 2.178 km SSE of Akutan, Alaska · 2024 days ago · 33 km deep · 34 km away
  11. 2.045 km E of Akutan, Alaska · 2028 days ago · 75 km deep · 92 km away
  12. 2.9102 km SSW of Unalaska, Alaska · 2028 days ago · 35 km deep · 88 km away
  13. 2.6Unimak Island region, Alaska · 2032 days ago · 28 km deep · 78 km away
  14. 2.835 km SE of Akutan, Alaska · 2035 days ago · 75 km deep · 58 km away
  15. 2.078 km SSE of Akutan, Alaska · 2036 days ago · 25 km deep · 29 km away
  16. 1.710 km WNW of Dutch Harbor, Alaska · 2036 days ago · 3 km deep · 81 km away
  17. 2.295 km SSE of Akutan, Alaska · 2036 days ago · 26 km deep · 47 km away
  18. 3.279 km SSW of Unalaska, Alaska · 2038 days ago · 10 km deep · 90 km away
  19. 2.185 km SSE of Akutan, Alaska · 2039 days ago · 19 km deep · 18 km away
  20. 2.282 km SE of Akutan, Alaska · 2040 days ago · 48 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213hp0pnz. Read Sun, Sep 27, 2026, 3:57 PM UTC.