Alaska earthquakes

M1.9 earthquake 34 km S of False Pass, Alaska

A magnitude 1.9 earthquake struck 34 km S of False Pass, Alaska on Sun, Apr 4, 2021, 10:22 AM AKDT (18:22 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.9 106 km SSE of False Pass, 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
2021-04-04 18:22:06 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
54.545° N, 163.374° 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.

Location uncertainty
About 0.9 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
211°, poorly surrounded by stations
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: 67 in the 60 days after this one and 58 in the 30 days before it.

After

  1. 2.9106 km SSE of False Pass, Alaska · 1998 days ago · 18 km deep · 72 km away
  2. 1.953 km W of False Pass, Alaska · 1998 days ago · 5 km deep · 62 km away
  3. 1.882 km S of False Pass, Alaska · 1997 days ago · 26 km deep · 49 km away
  4. 2.128 km S of False Pass, Alaska · 1997 days ago · 10 km deep · 7 km away
  5. 1.767 km SSE of King Cove, Alaska · 1997 days ago · 24 km deep · 98 km away
  6. 2.635 km SSE of False Pass, Alaska · 1994 days ago · 17 km deep · 5 km away
  7. 2.3115 km S of False Pass, Alaska · 1993 days ago · 26 km deep · 81 km away
  8. 2.149 km SSW of King Cove, Alaska · 1992 days ago · 55 km deep · 48 km away
  9. 2.784 km W of False Pass, Alaska · 1992 days ago · 10 km deep · 95 km away
  10. 2.2104 km ESE of Akutan, Alaska · 1992 days ago · 26 km deep · 93 km away
  11. 1.8Unimak Island region, Alaska · 1989 days ago · 26 km deep · 81 km away
  12. 1.932 km SSE of False Pass, Alaska · 1988 days ago · 13 km deep · 5 km away
  13. 2.087 km S of False Pass, Alaska · 1988 days ago · 26 km deep · 53 km away
  14. 2.6112 km S of False Pass, Alaska · 1988 days ago · 13 km deep · 78 km away
  15. 1.830 km SSW of False Pass, Alaska · 1986 days ago · 94 km deep · 15 km away
  16. 1.8116 km ESE of Akutan, Alaska · 1986 days ago · 18 km deep · 98 km away
  17. 2.096 km SSW of False Pass, Alaska · 1986 days ago · 21 km deep · 69 km away
  18. 1.631 km S of False Pass, Alaska · 1985 days ago · 11 km deep · 4 km away
  19. 1.520 km S of False Pass, Alaska · 1985 days ago · 23 km deep · 13 km away
  20. 2.799 km SE of False Pass, Alaska · 1985 days ago · 21 km deep · 74 km away
  21. 1.8119 km S of False Pass, Alaska · 1985 days ago · 26 km deep · 85 km away
  22. 2.144 km S of King Cove, Alaska · 1985 days ago · 59 km deep · 71 km away
  23. 1.5103 km ESE of Akutan, Alaska · 1984 days ago · 52 km deep · 96 km away
  24. 1.824 km SSE of False Pass, Alaska · 1984 days ago · 24 km deep · 11 km away
  25. 2.129 km SE of False Pass, Alaska · 1984 days ago · 82 km deep · 22 km away
  26. 3.2108 km ESE of Akutan, Alaska · 1984 days ago · 21 km deep · 99 km away
  27. 2.940 km SSE of False Pass, Alaska · 1983 days ago · 18 km deep · 9 km away
  28. 1.952 km SSW of King Cove, Alaska · 1982 days ago · 56 km deep · 55 km away
  29. 1.942 km SE of False Pass, Alaska · 1980 days ago · 18 km deep · 26 km away
  30. 3.5100 km ESE of Akutan, Alaska · 1980 days ago · 19 km deep · 92 km away
  31. 2.29 km S of False Pass, Alaska · 1979 days ago · 93 km deep · 25 km away
  32. 2.798 km SSE of False Pass, Alaska · 1979 days ago · 10 km deep · 66 km away
  33. 2.150 km SSW of King Cove, Alaska · 1978 days ago · 13 km deep · 52 km away
  34. 2.328 km NE of False Pass, Alaska · 1978 days ago · 99 km deep · 58 km away
  35. 2.187 km W of False Pass, Alaska · 1977 days ago · 123 km deep · 93 km away
  36. 1.728 km SSE of False Pass, Alaska · 1977 days ago · 16 km deep · 9 km away
  37. 1.7100 km ESE of Akutan, Alaska · 1977 days ago · 38 km deep · 88 km away
  38. 1.899 km ESE of Akutan, Alaska · 1976 days ago · 26 km deep · 89 km away
  39. 2.029 km W of False Pass, Alaska · 1976 days ago · 25 km deep · 43 km away
  40. 1.626 km SSE of False Pass, Alaska · 1976 days ago · 11 km deep · 9 km away
  41. 2.1106 km ESE of Akutan, Alaska · 1976 days ago · 43 km deep · 98 km away
  42. 1.830 km SSE of False Pass, Alaska · 1976 days ago · 13 km deep · 6 km away
  43. 2.0Unimak Island region, Alaska · 1976 days ago · 40 km deep · 71 km away
  44. 1.829 km SSE of False Pass, Alaska · 1975 days ago · 10 km deep · 8 km away
  45. 2.0114 km ESE of Akutan, Alaska · 1975 days ago · 26 km deep · 94 km away
  46. 1.852 km ESE of False Pass, Alaska · 1975 days ago · 62 km deep · 44 km away
  47. 2.0105 km ESE of Akutan, Alaska · 1975 days ago · 67 km deep · 84 km away
  48. 2.1114 km ESE of Akutan, Alaska · 1975 days ago · 26 km deep · 94 km away
  49. 1.987 km ESE of Akutan, Alaska · 1974 days ago · 50 km deep · 99 km away
  50. 1.737 km SSE of False Pass, Alaska · 1974 days ago · 63 km deep · 12 km away
  51. 1.532 km S of False Pass, Alaska · 1974 days ago · 13 km deep · 2 km away
  52. 1.926 km SSE of King Cove, Alaska · 1974 days ago · 90 km deep · 82 km away
  53. 2.597 km SSE of False Pass, Alaska · 1973 days ago · 7 km deep · 68 km away
  54. 1.619 km SSW of Cold Bay, Alaska · 1972 days ago · 4 km deep · 64 km away
  55. 1.932 km S of False Pass, Alaska · 1965 days ago · 6 km deep · 4 km away
  56. 1.836 km S of False Pass, Alaska · 1964 days ago · 8 km deep · 2 km away
  57. 3.384 km SSE of False Pass, Alaska · 1963 days ago · 13 km deep · 54 km away
  58. 1.627 km S of King Cove, Alaska · 1959 days ago · 72 km deep · 73 km away
  59. 2.123 km SSE of False Pass, Alaska · 1959 days ago · 9 km deep · 12 km away
  60. 2.024 km S of False Pass, Alaska · 1958 days ago · 18 km deep · 11 km away

The first 60 of 67.

Before

  1. 2.5Unimak Island region, Alaska · 1998 days ago · 10 km deep · 65 km away
  2. 2.8101 km SSW of False Pass, Alaska · 1999 days ago · 23 km deep · 71 km away
  3. 2.7109 km SSW of False Pass, Alaska · 2000 days ago · 34 km deep · 77 km away
  4. 1.822 km SSE of False Pass, Alaska · 2000 days ago · 13 km deep · 13 km away
  5. 1.537 km SW of King Cove, Alaska · 2001 days ago · 7 km deep · 52 km away
  6. 2.794 km ESE of Akutan, Alaska · 2001 days ago · 50 km deep · 92 km away
  7. 2.098 km SSE of False Pass, Alaska · 2001 days ago · 4 km deep · 65 km away
  8. 2.042 km SE of False Pass, Alaska · 2002 days ago · 13 km deep · 25 km away
  9. 1.926 km SSE of False Pass, Alaska · 2003 days ago · 13 km deep · 9 km away
  10. 1.854 km SSW of King Cove, Alaska · 2003 days ago · 15 km deep · 47 km away
  11. 2.8102 km SSE of False Pass, Alaska · 2005 days ago · 10 km deep · 68 km away
  12. 2.775 km ENE of Akutan, Alaska · 2007 days ago · 88 km deep · 88 km away
  13. 2.694 km SSE of False Pass, Alaska · 2008 days ago · 27 km deep · 62 km away
  14. 2.824 km NW of False Pass, Alaska · 2008 days ago · 151 km deep · 54 km away
  15. 1.653 km SSW of King Cove, Alaska · 2008 days ago · 13 km deep · 56 km away
  16. 2.024 km SSE of False Pass, Alaska · 2008 days ago · 12 km deep · 11 km away
  17. 2.2102 km S of False Pass, Alaska · 2009 days ago · 26 km deep · 69 km away
  18. 2.198 km ESE of Akutan, Alaska · 2009 days ago · 47 km deep · 97 km away
  19. 2.731 km SE of King Cove, Alaska · 2011 days ago · 89 km deep · 97 km away
  20. 1.790 km S of False Pass, Alaska · 2012 days ago · 26 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av91217731. Read Thu, Sep 24, 2026, 12:08 AM UTC.