Alaska earthquakes

M1.9 earthquake 29 km WSW of Old Harbor, Alaska

A magnitude 1.9 earthquake struck 29 km WSW of Old Harbor, Alaska on Wed, Apr 7, 2021, 1:30 AM AKDT (09:30 UTC), 36 km (22 mi) below the surface.

A larger quake followed: M3.5 50 km W of Akhiok, 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
2021-04-07 09:30:31 UTC
Depth
35.6 km (22.1 mi), shallow
Epicenter
57.136° N, 153.774° 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
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 35 in the 30 days before it.

After

  1. 1.659 km ESE of Akhiok, Alaska · 1999 days ago · 18 km deep · 60 km away
  2. 2.657 km WNW of Akhiok, Alaska · 1999 days ago · 56 km deep · 77 km away
  3. 3.550 km W of Akhiok, Alaska · 1995 days ago · 14 km deep · 78 km away
  4. 1.917 km NNW of Larsen Bay, Alaska · 1995 days ago · 85 km deep · 64 km away
  5. 1.526 km WSW of Karluk, Alaska · 1994 days ago · 71 km deep · 75 km away
  6. 1.536 km NNW of Larsen Bay, Alaska · 1994 days ago · 53 km deep · 83 km away
  7. 1.527 km SE of Larsen Bay, Alaska · 1993 days ago · 45 km deep · 31 km away
  8. 2.759 km WNW of Akhiok, Alaska · 1993 days ago · 31 km deep · 79 km away
  9. 1.616 km S of Karluk, Alaska · 1993 days ago · 61 km deep · 54 km away
  10. 1.756 km WNW of Akhiok, Alaska · 1993 days ago · 46 km deep · 75 km away
  11. 1.834 km NW of Akhiok, Alaska · 1992 days ago · 49 km deep · 52 km away
  12. 2.019 km SW of Karluk, Alaska · 1992 days ago · 44 km deep · 67 km away
  13. 1.829 km SSW of Karluk, Alaska · 1992 days ago · 43 km deep · 60 km away
  14. 2.272 km W of Akhiok, Alaska · 1992 days ago · 59 km deep · 100 km away
  15. 2.211 km WNW of Larsen Bay, Alaska · 1991 days ago · 37 km deep · 55 km away
  16. 1.619 km ENE of Akhiok, Alaska · 1990 days ago · 41 km deep · 13 km away
  17. 2.546 km WSW of Aleneva, Alaska · 1990 days ago · 50 km deep · 90 km away
  18. 2.0Kodiak Island region, Alaska · 1986 days ago · 58 km deep · 100 km away
  19. 1.523 km W of Karluk, Alaska · 1985 days ago · 24 km deep · 83 km away
  20. 2.124 km ENE of Larsen Bay, Alaska · 1981 days ago · 41 km deep · 58 km away
  21. 2.333 km SSW of Karluk, Alaska · 1979 days ago · 47 km deep · 56 km away
  22. 1.770 km SW of Karluk, Alaska · 1978 days ago · 71 km deep · 98 km away
  23. 1.96 km E of Womens Bay, Alaska · 1978 days ago · 43 km deep · 94 km away
  24. 1.620 km SSE of Larsen Bay, Alaska · 1976 days ago · 8 km deep · 26 km away
  25. 2.234 km WNW of Karluk, Alaska · 1970 days ago · 71 km deep · 96 km away
  26. 1.727 km SSW of Womens Bay, Alaska · 1968 days ago · 4 km deep · 64 km away
  27. 2.135 km NNE of Larsen Bay, Alaska · 1967 days ago · 3 km deep · 79 km away
  28. 2.440 km SW of Karluk, Alaska · 1967 days ago · 0 km deep · 73 km away
  29. 1.542 km WNW of Akhiok, Alaska · 1966 days ago · 20 km deep · 63 km away
  30. 1.932 km WSW of Akhiok, Alaska · 1966 days ago · 38 km deep · 64 km away
  31. 2.49 km SW of Larsen Bay, Alaska · 1966 days ago · 35 km deep · 43 km away
  32. 2.062 km SW of Akhiok, Alaska · 1965 days ago · 35 km deep · 94 km away
  33. 1.647 km SW of Karluk, Alaska · 1964 days ago · 66 km deep · 82 km away
  34. 1.858 km SSW of Akhiok, Alaska · 1963 days ago · 27 km deep · 89 km away
  35. 1.635 km WNW of Karluk, Alaska · 1961 days ago · 76 km deep · 97 km away
  36. 2.064 km WNW of Akhiok, Alaska · 1958 days ago · 51 km deep · 85 km away
  37. 2.129 km N of Karluk, Alaska · 1957 days ago · 68 km deep · 85 km away
  38. 3.023 km SSW of Larsen Bay, Alaska · 1956 days ago · 35 km deep · 28 km away
  39. 1.537 km N of Karluk, Alaska · 1952 days ago · 42 km deep · 93 km away
  40. 3.343 km WNW of Akhiok, Alaska · 1950 days ago · 63 km deep · 62 km away
  41. 2.021 km WSW of Akhiok, Alaska · 1945 days ago · 0 km deep · 52 km away

Before

  1. 1.6Kodiak Island region, Alaska · 2001 days ago · 53 km deep · 80 km away
  2. 2.925 km WNW of Karluk, Alaska · 2002 days ago · 69 km deep · 85 km away
  3. 1.857 km WNW of Akhiok, Alaska · 2004 days ago · 59 km deep · 77 km away
  4. 1.8Alaska Peninsula · 2004 days ago · 65 km deep · 100 km away
  5. 1.958 km WNW of Akhiok, Alaska · 2005 days ago · 35 km deep · 79 km away
  6. 2.233 km NNW of Larsen Bay, Alaska · 2005 days ago · 47 km deep · 79 km away
  7. 2.137 km SW of Karluk, Alaska · 2005 days ago · 47 km deep · 70 km away
  8. 1.517 km W of Karluk, Alaska · 2005 days ago · 2 km deep · 76 km away
  9. 1.917 km WNW of Karluk, Alaska · 2005 days ago · 50 km deep · 80 km away
  10. 2.458 km WNW of Akhiok, Alaska · 2006 days ago · 46 km deep · 77 km away
  11. 1.855 km WNW of Akhiok, Alaska · 2007 days ago · 47 km deep · 76 km away
  12. 1.939 km SW of Akhiok, Alaska · 2007 days ago · 18 km deep · 71 km away
  13. 1.652 km W of Aleneva, Alaska · 2010 days ago · 65 km deep · 98 km away
  14. 2.835 km SW of Karluk, Alaska · 2010 days ago · 60 km deep · 75 km away
  15. 2.336 km NNE of Larsen Bay, Alaska · 2013 days ago · 46 km deep · 77 km away
  16. 1.712 km SSW of Larsen Bay, Alaska · 2014 days ago · 12 km deep · 36 km away
  17. 1.543 km NNE of Larsen Bay, Alaska · 2014 days ago · 55 km deep · 87 km away
  18. 1.957 km WSW of Akhiok, Alaska · 2015 days ago · 11 km deep · 88 km away
  19. 1.836 km WSW of Karluk, Alaska · 2015 days ago · 69 km deep · 85 km away
  20. 2.364 km SW of Akhiok, Alaska · 2015 days ago · 65 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0214gko28l. Read Mon, Sep 28, 2026, 2:22 PM UTC.