Alaska earthquakes

M1.5 earthquake 7 km SE of Point Possession, Alaska

A magnitude 1.5 earthquake struck 7 km SE of Point Possession, Alaska on Tue, Apr 20, 2021, 11:45 AM AKDT (19:45 UTC), 55 km (34 mi) below the surface.

A larger quake followed: M4.8 Southern 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
1.5 (ml), micro
Local time
UTC
2021-04-20 19:45:21 UTC
Depth
55.3 km (34.4 mi), shallow
Epicenter
60.882° N, 150.588° 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
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 146 in the 30 days before it.

After

  1. 1.568 km W of Tyonek, Alaska · 1985 days ago · 113 km deep · 100 km away
  2. 1.58 km SE of Soldotna, Alaska · 1985 days ago · 55 km deep · 52 km away
  3. 2.32 km NW of Ridgeway, Alaska · 1985 days ago · 46 km deep · 47 km away
  4. 2.78 km SW of Clam Gulch, Alaska · 1985 days ago · 62 km deep · 93 km away
  5. 2.220 km ENE of Point Possession, Alaska · 1985 days ago · 56 km deep · 19 km away · felt by 1
  6. 1.98 km N of Point MacKenzie, Alaska · 1984 days ago · 40 km deep · 70 km away
  7. 1.838 km S of Skwentna, Alaska · 1984 days ago · 1 km deep · 94 km away · felt by 1
  8. 2.612 km ENE of Point Possession, Alaska · 1984 days ago · 51 km deep · 11 km away · felt by 1
  9. 3.04 km NW of Big Lake, Alaska · 1984 days ago · 45 km deep · 80 km away · felt by 5
  10. 1.81 km S of Soldotna, Alaska · 1984 days ago · 55 km deep · 52 km away
  11. 1.529 km WNW of Nikiski, Alaska · 1983 days ago · 81 km deep · 63 km away
  12. 1.827 km SW of Tyonek, Alaska · 1983 days ago · 71 km deep · 51 km away
  13. 1.823 km NNW of Nikiski, Alaska · 1983 days ago · 49 km deep · 48 km away
  14. 1.818 km SSE of Clam Gulch, Alaska · 1983 days ago · 57 km deep · 99 km away
  15. 2.17 km WNW of Knik-Fairview, Alaska · 1983 days ago · 36 km deep · 86 km away
  16. 1.640 km NW of Beluga, Alaska · 1983 days ago · 79 km deep · 79 km away
  17. 1.916 km SSW of Whittier, Alaska · 1982 days ago · 19 km deep · 100 km away
  18. 1.544 km WNW of Nikiski, Alaska · 1982 days ago · 83 km deep · 82 km away
  19. 1.920 km WSW of Point MacKenzie, Alaska · 1982 days ago · 48 km deep · 45 km away
  20. 1.536 km NW of Nikiski, Alaska · 1982 days ago · 87 km deep · 66 km away
  21. 2.143 km WNW of Clam Gulch, Alaska · 1981 days ago · 86 km deep · 98 km away
  22. 1.965 km W of Tyonek, Alaska · 1981 days ago · 113 km deep · 97 km away
  23. 1.520 km SW of Hope, Alaska · 1981 days ago · 27 km deep · 39 km away
  24. 1.727 km NW of Beluga, Alaska · 1981 days ago · 74 km deep · 67 km away
  25. 1.559 km W of Tyonek, Alaska · 1980 days ago · 106 km deep · 93 km away
  26. 1.53 km ESE of Big Lake, Alaska · 1980 days ago · 42 km deep · 79 km away
  27. 2.118 km ESE of Clam Gulch, Alaska · 1979 days ago · 51 km deep · 81 km away
  28. 1.519 km WNW of Salamatof, Alaska · 1979 days ago · 72 km deep · 64 km away
  29. 4.8Southern Alaska · 1979 days ago · 44 km deep · 61 km away · felt by 1,122 · tsunami flag
  30. 1.86 km NW of Point MacKenzie, Alaska · 1979 days ago · 38 km deep · 64 km away
  31. 1.72 km N of Point MacKenzie, Alaska · 1979 days ago · 50 km deep · 64 km away
  32. 1.813 km ESE of Tyonek, Alaska · 1979 days ago · 20 km deep · 24 km away
  33. 2.124 km WNW of Beluga, Alaska · 1978 days ago · 74 km deep · 62 km away
  34. 2.0Kenai Peninsula, Alaska · 1978 days ago · 81 km deep · 56 km away
  35. 1.69 km SSW of Big Lake, Alaska · 1978 days ago · 38 km deep · 70 km away
  36. 1.555 km WNW of Nikiski, Alaska · 1978 days ago · 107 km deep · 89 km away
  37. 1.627 km WNW of Cohoe, Alaska · 1977 days ago · 75 km deep · 83 km away
  38. 2.25 km SSW of Point MacKenzie, Alaska · 1977 days ago · 19 km deep · 57 km away · felt by 1
  39. 1.515 km NE of Hope, Alaska · 1976 days ago · 18 km deep · 63 km away
  40. 1.720 km WNW of Salamatof, Alaska · 1974 days ago · 76 km deep · 64 km away
  41. 1.95 km SE of Big Lake, Alaska · 1974 days ago · 34 km deep · 78 km away
  42. 1.737 km NW of Beluga, Alaska · 1974 days ago · 73 km deep · 76 km away
  43. 1.833 km WNW of Susitna, Alaska · 1974 days ago · 49 km deep · 95 km away
  44. 2.123 km W of Point MacKenzie, Alaska · 1974 days ago · 41 km deep · 52 km away
  45. 2.13 km NNE of Point MacKenzie, Alaska · 1973 days ago · 13 km deep · 66 km away · felt by 1
  46. 1.558 km WNW of Beluga, Alaska · 1973 days ago · 105 km deep · 97 km away
  47. 1.820 km WNW of Salamatof, Alaska · 1972 days ago · 79 km deep · 64 km away
  48. 1.521 km SSE of Clam Gulch, Alaska · 1972 days ago · 59 km deep · 98 km away
  49. 2.114 km SE of Anchorage, Alaska · 1972 days ago · 40 km deep · 53 km away · felt by 2
  50. 2.168 km W of Tyonek, Alaska · 1972 days ago · 111 km deep · 99 km away
  51. 2.410 km S of Anchorage, Alaska · 1972 days ago · 40 km deep · 45 km away
  52. 1.83 km SSE of Big Lake, Alaska · 1972 days ago · 40 km deep · 77 km away
  53. 2.625 km WNW of Susitna, Alaska · 1972 days ago · 60 km deep · 87 km away · felt by 1
  54. 1.718 km ESE of Beluga, Alaska · 1971 days ago · 0 km deep · 25 km away
  55. 2.74 km SSW of Susitna, Alaska · 1971 days ago · 51 km deep · 69 km away
  56. 2.35 km NW of Point MacKenzie, Alaska · 1971 days ago · 10 km deep · 64 km away
  57. 1.73 km WNW of Sunrise, Alaska · 1970 days ago · 34 km deep · 60 km away
  58. 1.629 km NW of Nikiski, Alaska · 1970 days ago · 78 km deep · 56 km away
  59. 2.013 km WNW of Salamatof, Alaska · 1969 days ago · 53 km deep · 57 km away
  60. 1.623 km ESE of Point Possession, Alaska · 1969 days ago · 36 km deep · 17 km away

The first 60 of at least 199.

Before

  1. 2.639 km W of Kalifornsky, Alaska · 1987 days ago · 86 km deep · 91 km away
  2. 3.12 km W of Point MacKenzie, Alaska · 1987 days ago · 39 km deep · 61 km away · felt by 9
  3. 1.738 km W of Susitna, Alaska · 1987 days ago · 7 km deep · 87 km away
  4. 1.56 km NNE of Girdwood, Alaska · 1988 days ago · 23 km deep · 81 km away
  5. 1.78 km WNW of Point MacKenzie, Alaska · 1988 days ago · 42 km deep · 62 km away
  6. 2.013 km WNW of Point Possession, Alaska · 1988 days ago · 53 km deep · 21 km away
  7. 1.857 km SSW of Skwentna, Alaska · 1989 days ago · 94 km deep · 98 km away
  8. 1.93 km N of Big Lake, Alaska · 1989 days ago · 47 km deep · 82 km away
  9. 1.649 km NW of Beluga, Alaska · 1990 days ago · 76 km deep · 88 km away
  10. 1.531 km ENE of Beluga, Alaska · 1990 days ago · 50 km deep · 41 km away
  11. 1.72 km ENE of Tyonek, Alaska · 1990 days ago · 67 km deep · 35 km away
  12. 1.67 km SW of Big Lake, Alaska · 1990 days ago · 39 km deep · 72 km away
  13. 1.914 km SW of Anchorage, Alaska · 1991 days ago · 37 km deep · 38 km away
  14. 1.518 km SSE of Funny River, Alaska · 1991 days ago · 11 km deep · 60 km away
  15. 1.619 km WSW of Salamatof, Alaska · 1991 days ago · 60 km deep · 69 km away
  16. 2.133 km NW of Beluga, Alaska · 1991 days ago · 82 km deep · 72 km away
  17. 1.664 km W of Tyonek, Alaska · 1992 days ago · 102 km deep · 96 km away
  18. 1.627 km NNW of Susitna, Alaska · 1992 days ago · 64 km deep · 98 km away
  19. 1.745 km W of Seward, Alaska · 1992 days ago · 28 km deep · 84 km away
  20. 1.726 km NNW of Nikiski, Alaska · 1992 days ago · 66 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021528p3nw. Read Sun, Sep 27, 2026, 6:34 PM UTC.