Alaska earthquakes

M1.8 earthquake 48 km SW of Akhiok, Alaska

A magnitude 1.8 earthquake struck 48 km SW of Akhiok, Alaska on Sun, Mar 21, 2021, 4:15 PM AKDT (00:15 UTC), 51 km (32 mi) below the surface.

A larger quake followed: M3.5 50 km W of Akhiok, Alaska. This one was a foreshock.

Womens Bay 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
2021-03-22 00:15:47 UTC
Depth
51.3 km (31.9 mi), shallow
Epicenter
56.696° N, 154.822° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.433 km S of Larsen Bay, Alaska · 2015 days ago · 8 km deep · 78 km away
  2. 2.364 km SW of Akhiok, Alaska · 2014 days ago · 65 km deep · 17 km away
  3. 1.836 km WSW of Karluk, Alaska · 2014 days ago · 69 km deep · 88 km away
  4. 1.957 km WSW of Akhiok, Alaska · 2014 days ago · 11 km deep · 12 km away
  5. 1.712 km SSW of Larsen Bay, Alaska · 2013 days ago · 12 km deep · 94 km away
  6. 2.685 km W of Akhiok, Alaska · 2011 days ago · 60 km deep · 47 km away
  7. 2.084 km W of Akhiok, Alaska · 2009 days ago · 47 km deep · 47 km away
  8. 2.835 km SW of Karluk, Alaska · 2008 days ago · 60 km deep · 76 km away
  9. 1.939 km SW of Akhiok, Alaska · 2006 days ago · 18 km deep · 10 km away
  10. 1.855 km WNW of Akhiok, Alaska · 2006 days ago · 47 km deep · 49 km away
  11. 2.458 km WNW of Akhiok, Alaska · 2005 days ago · 46 km deep · 51 km away
  12. 1.517 km W of Karluk, Alaska · 2004 days ago · 2 km deep · 98 km away
  13. 2.137 km SW of Karluk, Alaska · 2004 days ago · 47 km deep · 70 km away
  14. 1.958 km WNW of Akhiok, Alaska · 2003 days ago · 35 km deep · 47 km away
  15. 1.8Alaska Peninsula · 2003 days ago · 65 km deep · 79 km away
  16. 1.857 km WNW of Akhiok, Alaska · 2003 days ago · 59 km deep · 49 km away
  17. 1.929 km WSW of Old Harbor, Alaska · 1999 days ago · 36 km deep · 80 km away
  18. 1.659 km ESE of Akhiok, Alaska · 1998 days ago · 18 km deep · 90 km away
  19. 2.657 km WNW of Akhiok, Alaska · 1997 days ago · 56 km deep · 52 km away
  20. 1.9115 km SE of Ugashik, Alaska · 1996 days ago · 20 km deep · 76 km away
  21. 2.3100 km W of Akhiok, Alaska · 1995 days ago · 7 km deep · 69 km away
  22. 3.550 km W of Akhiok, Alaska · 1994 days ago · 14 km deep · 25 km away
  23. 2.7101 km SE of Ugashik, Alaska · 1993 days ago · 57 km deep · 96 km away
  24. 1.526 km WSW of Karluk, Alaska · 1993 days ago · 71 km deep · 85 km away
  25. 2.759 km WNW of Akhiok, Alaska · 1992 days ago · 31 km deep · 52 km away
  26. 1.616 km S of Karluk, Alaska · 1992 days ago · 61 km deep · 83 km away
  27. 1.756 km WNW of Akhiok, Alaska · 1992 days ago · 46 km deep · 51 km away
  28. 1.834 km NW of Akhiok, Alaska · 1991 days ago · 49 km deep · 49 km away
  29. 2.019 km SW of Karluk, Alaska · 1991 days ago · 44 km deep · 85 km away
  30. 1.829 km SSW of Karluk, Alaska · 1991 days ago · 43 km deep · 72 km away
  31. 2.272 km W of Akhiok, Alaska · 1990 days ago · 59 km deep · 38 km away
  32. 3.2Kodiak Island region, Alaska · 1989 days ago · 38 km deep · 78 km away
  33. 1.619 km ENE of Akhiok, Alaska · 1989 days ago · 41 km deep · 68 km away
  34. 2.879 km WNW of Akhiok, Alaska · 1988 days ago · 53 km deep · 59 km away
  35. 1.984 km S of Akhiok, Alaska · 1983 days ago · 43 km deep · 62 km away
  36. 2.4139 km E of Chignik, Alaska · 1981 days ago · 70 km deep · 100 km away
  37. 2.270 km WSW of Karluk, Alaska · 1979 days ago · 84 km deep · 80 km away
  38. 1.766 km WSW of Karluk, Alaska · 1978 days ago · 67 km deep · 80 km away
  39. 1.966 km WSW of Karluk, Alaska · 1978 days ago · 81 km deep · 86 km away
  40. 2.295 km WSW of Karluk, Alaska · 1978 days ago · 61 km deep · 88 km away
  41. 2.333 km SSW of Karluk, Alaska · 1977 days ago · 47 km deep · 66 km away
  42. 1.770 km SW of Karluk, Alaska · 1977 days ago · 71 km deep · 65 km away
  43. 1.620 km SSE of Larsen Bay, Alaska · 1975 days ago · 8 km deep · 93 km away
  44. 1.783 km WSW of Karluk, Alaska · 1975 days ago · 26 km deep · 76 km away
  45. 2.773 km W of Akhiok, Alaska · 1972 days ago · 56 km deep · 38 km away
  46. 2.440 km SW of Karluk, Alaska · 1966 days ago · 0 km deep · 69 km away
  47. 1.542 km WNW of Akhiok, Alaska · 1965 days ago · 20 km deep · 43 km away
  48. 1.932 km WSW of Akhiok, Alaska · 1965 days ago · 38 km deep · 17 km away
  49. 2.49 km SW of Larsen Bay, Alaska · 1964 days ago · 35 km deep · 98 km away
  50. 2.062 km SW of Akhiok, Alaska · 1964 days ago · 35 km deep · 18 km away
  51. 1.647 km SW of Karluk, Alaska · 1962 days ago · 66 km deep · 71 km away
  52. 1.858 km SSW of Akhiok, Alaska · 1962 days ago · 27 km deep · 26 km away
  53. 2.064 km WNW of Akhiok, Alaska · 1956 days ago · 51 km deep · 52 km away

Before

  1. 1.518 km E of Akhiok, Alaska · 2016 days ago · 7 km deep · 65 km away
  2. 1.865 km SW of Karluk, Alaska · 2016 days ago · 62 km deep · 69 km away
  3. 1.754 km SW of Karluk, Alaska · 2017 days ago · 8 km deep · 55 km away
  4. 2.413 km WSW of Akhiok, Alaska · 2021 days ago · 11 km deep · 35 km away
  5. 2.057 km WNW of Akhiok, Alaska · 2021 days ago · 61 km deep · 49 km away
  6. 1.6Alaska Peninsula · 2021 days ago · 70 km deep · 52 km away
  7. 1.955 km WNW of Akhiok, Alaska · 2021 days ago · 56 km deep · 52 km away
  8. 1.656 km SW of Karluk, Alaska · 2023 days ago · 26 km deep · 53 km away
  9. 1.830 km WSW of Karluk, Alaska · 2025 days ago · 61 km deep · 86 km away
  10. 1.923 km SSW of Karluk, Alaska · 2027 days ago · 25 km deep · 77 km away
  11. 1.521 km SW of Karluk, Alaska · 2031 days ago · 10 km deep · 82 km away
  12. 3.064 km SSE of Akhiok, Alaska · 2032 days ago · 1 km deep · 73 km away · felt by 2
  13. 1.856 km WNW of Akhiok, Alaska · 2032 days ago · 53 km deep · 52 km away
  14. 2.357 km WNW of Akhiok, Alaska · 2037 days ago · 58 km deep · 49 km away
  15. 2.457 km WNW of Akhiok, Alaska · 2037 days ago · 63 km deep · 53 km away
  16. 1.554 km WNW of Akhiok, Alaska · 2038 days ago · 27 km deep · 49 km away
  17. 1.972 km SSW of Akhiok, Alaska · 2038 days ago · 28 km deep · 43 km away
  18. 1.651 km WNW of Akhiok, Alaska · 2038 days ago · 46 km deep · 44 km away
  19. 2.3100 km SW of Akhiok, Alaska · 2039 days ago · 64 km deep · 56 km away
  20. 1.957 km WNW of Akhiok, Alaska · 2039 days ago · 56 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213pymffo. Read Sun, Sep 27, 2026, 9:29 AM UTC.