Alaska earthquakes

M1.7 earthquake 22 km NNW of Susitna, Alaska

A magnitude 1.7 earthquake struck 22 km NNW of Susitna, Alaska on Sat, Feb 20, 2021, 8:58 PM AKST (05:58 UTC), 62 km (38 mi) below the surface.

A larger quake followed: M5.3 5 km SSE of Point MacKenzie, 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
1.7 (ml), micro
Local time
UTC
2021-02-21 05:58:38 UTC
Depth
61.5 km (38.2 mi), shallow
Epicenter
61.731° N, 150.683° 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
57

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 166 in the 30 days before it.

After

  1. 1.651 km NNW of Skwentna, Alaska · 2043 days ago · 93 km deep · 96 km away
  2. 1.722 km W of Petersville, Alaska · 2043 days ago · 86 km deep · 88 km away
  3. 1.823 km W of Petersville, Alaska · 2042 days ago · 89 km deep · 87 km away
  4. 1.819 km NW of Girdwood, Alaska · 2042 days ago · 19 km deep · 100 km away
  5. 1.618 km S of Skwentna, Alaska · 2042 days ago · 79 km deep · 41 km away
  6. 1.619 km SSW of Petersville, Alaska · 2041 days ago · 78 km deep · 67 km away
  7. 1.831 km S of Skwentna, Alaska · 2041 days ago · 75 km deep · 33 km away
  8. 1.515 km SSW of Trapper Creek, Alaska · 2041 days ago · 56 km deep · 54 km away
  9. 1.916 km NE of Susitna, Alaska · 2041 days ago · 51 km deep · 23 km away
  10. 1.619 km SE of Skwentna, Alaska · 2040 days ago · 71 km deep · 28 km away
  11. 2.819 km NNE of Willow, Alaska · 2040 days ago · 39 km deep · 47 km away · felt by 1
  12. 1.72 km S of Willow, Alaska · 2040 days ago · 47 km deep · 34 km away
  13. 1.61 km SW of Tyonek, Alaska · 2040 days ago · 66 km deep · 79 km away
  14. 1.519 km E of Skwentna, Alaska · 2040 days ago · 67 km deep · 37 km away
  15. 1.829 km WSW of Skwentna, Alaska · 2039 days ago · 99 km deep · 64 km away
  16. 1.634 km NW of Willow, Alaska · 2039 days ago · 57 km deep · 27 km away
  17. 1.729 km NNE of Skwentna, Alaska · 2039 days ago · 71 km deep · 58 km away
  18. 1.828 km NNE of Skwentna, Alaska · 2039 days ago · 83 km deep · 60 km away
  19. 1.530 km E of Chase, Alaska · 2039 days ago · 47 km deep · 100 km away
  20. 1.522 km NNE of Skwentna, Alaska · 2039 days ago · 76 km deep · 57 km away
  21. 2.429 km NE of Susitna North, Alaska · 2039 days ago · 48 km deep · 94 km away
  22. 1.516 km NNE of Skwentna, Alaska · 2038 days ago · 71 km deep · 54 km away
  23. 2.52 km NNE of Petersville, Alaska · 2038 days ago · 75 km deep · 87 km away
  24. 1.615 km N of Beluga, Alaska · 2038 days ago · 65 km deep · 54 km away
  25. 1.930 km WNW of Skwentna, Alaska · 2037 days ago · 99 km deep · 77 km away
  26. 1.54 km SW of Lazy Mountain, Alaska · 2037 days ago · 31 km deep · 89 km away
  27. 1.814 km WNW of Tyonek, Alaska · 2037 days ago · 70 km deep · 76 km away
  28. 2.028 km ENE of Beluga, Alaska · 2037 days ago · 46 km deep · 50 km away
  29. 1.728 km W of Petersville, Alaska · 2037 days ago · 87 km deep · 96 km away
  30. 1.78 km NNW of Skwentna, Alaska · 2037 days ago · 79 km deep · 54 km away
  31. 1.96 km NE of Houston, Alaska · 2037 days ago · 54 km deep · 50 km away
  32. 2.37 km NNW of Knik, Alaska · 2037 days ago · 39 km deep · 53 km away
  33. 5.35 km SSE of Point MacKenzie, Alaska · 2036 days ago · 46 km deep · 61 km away · felt by 2,970 · tsunami flag
  34. 5.35 km SSE of Point MacKenzie, Alaska · 2036 days ago · 46 km deep · 61 km away
  35. 1.73 km SW of Point MacKenzie, Alaska · 2036 days ago · 46 km deep · 56 km away
  36. 1.64 km SW of Point MacKenzie, Alaska · 2036 days ago · 44 km deep · 56 km away
  37. 1.715 km E of Point Possession, Alaska · 2036 days ago · 10 km deep · 94 km away
  38. 1.730 km WNW of Susitna, Alaska · 2036 days ago · 73 km deep · 21 km away
  39. 2.618 km ESE of Elmendorf Air Force Base, Alaska · 2036 days ago · 20 km deep · 93 km away · felt by 7
  40. 1.925 km WNW of Susitna, Alaska · 2036 days ago · 63 km deep · 16 km away
  41. 1.613 km SE of Tyonek, Alaska · 2035 days ago · 62 km deep · 86 km away
  42. 1.541 km NNW of Beluga, Alaska · 2035 days ago · 77 km deep · 53 km away
  43. 1.63 km SSW of Point MacKenzie, Alaska · 2035 days ago · 45 km deep · 58 km away
  44. 2.028 km NW of Willow, Alaska · 2035 days ago · 47 km deep · 26 km away
  45. 1.638 km WNW of Susitna, Alaska · 2035 days ago · 68 km deep · 30 km away
  46. 1.76 km WNW of Houston, Alaska · 2035 days ago · 40 km deep · 41 km away
  47. 1.50 km SE of Skwentna, Alaska · 2035 days ago · 89 km deep · 47 km away
  48. 1.728 km NE of Skwentna, Alaska · 2035 days ago · 68 km deep · 56 km away
  49. 2.123 km ESE of Skwentna, Alaska · 2034 days ago · 63 km deep · 26 km away
  50. 1.89 km ENE of Susitna, Alaska · 2034 days ago · 54 km deep · 24 km away
  51. 1.516 km WNW of Fishhook, Alaska · 2034 days ago · 44 km deep · 60 km away
  52. 2.050 km NW of Beluga, Alaska · 2034 days ago · 95 km deep · 59 km away
  53. 1.711 km WNW of Susitna, Alaska · 2034 days ago · 57 km deep · 15 km away
  54. 1.922 km SW of Petersville, Alaska · 2034 days ago · 76 km deep · 76 km away
  55. 1.87 km SSE of Houston, Alaska · 2034 days ago · 43 km deep · 53 km away
  56. 2.211 km NW of Point MacKenzie, Alaska · 2034 days ago · 43 km deep · 44 km away · felt by 1
  57. 2.073 km WNW of Beluga, Alaska · 2034 days ago · 4 km deep · 94 km away
  58. 2.122 km SSE of Susitna, Alaska · 2034 days ago · 47 km deep · 45 km away
  59. 1.61 km WSW of Point MacKenzie, Alaska · 2033 days ago · 45 km deep · 55 km away
  60. 2.74 km NW of Meadow Lakes, Alaska · 2033 days ago · 54 km deep · 55 km away · felt by 7

The first 60 of at least 199.

Before

  1. 2.318 km N of Hope, Alaska · 2043 days ago · 38 km deep · 91 km away · felt by 1
  2. 1.619 km W of Tyonek, Alaska · 2043 days ago · 77 km deep · 86 km away
  3. 1.916 km N of Skwentna, Alaska · 2043 days ago · 85 km deep · 59 km away
  4. 1.65 km SSW of Point Possession, Alaska · 2043 days ago · 32 km deep · 95 km away
  5. 1.76 km SSW of Big Lake, Alaska · 2044 days ago · 44 km deep · 46 km away
  6. 1.636 km N of Skwentna, Alaska · 2044 days ago · 89 km deep · 74 km away
  7. 2.119 km WSW of Petersville, Alaska · 2044 days ago · 13 km deep · 80 km away
  8. 2.720 km E of Beluga, Alaska · 2044 days ago · 16 km deep · 65 km away
  9. 1.925 km SSW of Petersville, Alaska · 2044 days ago · 71 km deep · 62 km away
  10. 1.914 km W of Point Possession, Alaska · 2044 days ago · 15 km deep · 89 km away
  11. 1.532 km WSW of Petersville, Alaska · 2044 days ago · 89 km deep · 75 km away
  12. 2.423 km NW of Beluga, Alaska · 2044 days ago · 77 km deep · 66 km away
  13. 2.1Southern Alaska · 2045 days ago · 56 km deep · 51 km away
  14. 1.829 km SSE of Skwentna, Alaska · 2045 days ago · 77 km deep · 27 km away
  15. 2.010 km SW of Point MacKenzie, Alaska · 2045 days ago · 46 km deep · 56 km away
  16. 1.530 km NW of Susitna, Alaska · 2045 days ago · 67 km deep · 13 km away
  17. 1.569 km WNW of Beluga, Alaska · 2046 days ago · 1 km deep · 91 km away
  18. 1.534 km WSW of Petersville, Alaska · 2046 days ago · 94 km deep · 82 km away
  19. 1.62 km S of Willow, Alaska · 2046 days ago · 40 km deep · 34 km away
  20. 1.852 km SSW of Skwentna, Alaska · 2046 days ago · 98 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212e39q82. Read Sat, Sep 26, 2026, 5:35 AM UTC.