Alaska earthquakes

M1.6 earthquake 2 km S of Willow, Alaska

A magnitude 1.6 earthquake struck 2 km S of Willow, Alaska on Thu, Feb 18, 2021, 12:09 AM AKST (09:09 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M5.3 5 km SSE of Point MacKenzie, Alaska. This one was a foreshock.

Willow 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
1.6 (ml), micro
Local time
UTC
2021-02-18 09:09:49 UTC
Depth
39.8 km (24.7 mi), shallow
Epicenter
61.727° N, 150.030° 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
55

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 149 in the 30 days before it.

After

  1. 1.530 km NW of Susitna, Alaska · 2046 days ago · 67 km deep · 47 km away
  2. 2.010 km SW of Point MacKenzie, Alaska · 2046 days ago · 46 km deep · 48 km away
  3. 1.829 km SSE of Skwentna, Alaska · 2046 days ago · 77 km deep · 61 km away
  4. 2.1Southern Alaska · 2045 days ago · 56 km deep · 61 km away
  5. 2.423 km NW of Beluga, Alaska · 2045 days ago · 77 km deep · 91 km away
  6. 1.532 km WSW of Petersville, Alaska · 2045 days ago · 89 km deep · 95 km away
  7. 1.925 km SSW of Petersville, Alaska · 2045 days ago · 71 km deep · 76 km away
  8. 2.720 km E of Beluga, Alaska · 2045 days ago · 16 km deep · 74 km away
  9. 2.119 km WSW of Petersville, Alaska · 2045 days ago · 13 km deep · 95 km away
  10. 1.636 km N of Skwentna, Alaska · 2045 days ago · 89 km deep · 96 km away
  11. 3.154 km N of Chickaloon, Alaska · 2045 days ago · 10 km deep · 99 km away · felt by 1
  12. 1.76 km SSW of Big Lake, Alaska · 2045 days ago · 44 km deep · 28 km away
  13. 1.916 km N of Skwentna, Alaska · 2044 days ago · 85 km deep · 85 km away
  14. 2.318 km N of Hope, Alaska · 2044 days ago · 38 km deep · 75 km away · felt by 1
  15. 1.722 km NNW of Susitna, Alaska · 2044 days ago · 62 km deep · 34 km away
  16. 1.819 km NW of Girdwood, Alaska · 2042 days ago · 19 km deep · 80 km away
  17. 1.618 km S of Skwentna, Alaska · 2042 days ago · 79 km deep · 75 km away
  18. 1.619 km SSW of Petersville, Alaska · 2042 days ago · 78 km deep · 80 km away
  19. 1.831 km S of Skwentna, Alaska · 2042 days ago · 75 km deep · 68 km away
  20. 1.515 km SSW of Trapper Creek, Alaska · 2041 days ago · 56 km deep · 55 km away
  21. 1.916 km NE of Susitna, Alaska · 2041 days ago · 51 km deep · 16 km away
  22. 1.619 km SE of Skwentna, Alaska · 2041 days ago · 71 km deep · 60 km away
  23. 2.819 km NNE of Willow, Alaska · 2041 days ago · 39 km deep · 21 km away · felt by 1
  24. 1.72 km S of Willow, Alaska · 2041 days ago · 47 km deep · 1 km away
  25. 1.61 km SW of Tyonek, Alaska · 2041 days ago · 66 km deep · 96 km away
  26. 1.519 km E of Skwentna, Alaska · 2041 days ago · 67 km deep · 62 km away
  27. 1.829 km WSW of Skwentna, Alaska · 2040 days ago · 99 km deep · 98 km away
  28. 1.634 km NW of Willow, Alaska · 2040 days ago · 57 km deep · 37 km away
  29. 1.729 km NNE of Skwentna, Alaska · 2040 days ago · 71 km deep · 78 km away
  30. 1.828 km NNE of Skwentna, Alaska · 2040 days ago · 83 km deep · 81 km away
  31. 1.530 km E of Chase, Alaska · 2040 days ago · 47 km deep · 84 km away
  32. 1.522 km NNE of Skwentna, Alaska · 2039 days ago · 76 km deep · 80 km away
  33. 2.429 km NE of Susitna North, Alaska · 2039 days ago · 48 km deep · 75 km away
  34. 1.516 km NNE of Skwentna, Alaska · 2039 days ago · 71 km deep · 79 km away
  35. 2.52 km NNE of Petersville, Alaska · 2039 days ago · 75 km deep · 95 km away
  36. 1.615 km N of Beluga, Alaska · 2039 days ago · 65 km deep · 74 km away
  37. 1.54 km SW of Lazy Mountain, Alaska · 2038 days ago · 31 km deep · 55 km away
  38. 1.814 km WNW of Tyonek, Alaska · 2038 days ago · 70 km deep · 97 km away
  39. 2.028 km ENE of Beluga, Alaska · 2038 days ago · 46 km deep · 59 km away
  40. 1.78 km NNW of Skwentna, Alaska · 2037 days ago · 79 km deep · 83 km away
  41. 1.96 km NE of Houston, Alaska · 2037 days ago · 54 km deep · 17 km away
  42. 2.37 km NNW of Knik, Alaska · 2037 days ago · 39 km deep · 26 km away
  43. 5.35 km SSE of Point MacKenzie, Alaska · 2037 days ago · 46 km deep · 46 km away · felt by 2,970 · tsunami flag
  44. 5.35 km SSE of Point MacKenzie, Alaska · 2037 days ago · 46 km deep · 46 km away
  45. 1.73 km SW of Point MacKenzie, Alaska · 2037 days ago · 46 km deep · 43 km away
  46. 1.64 km SW of Point MacKenzie, Alaska · 2037 days ago · 44 km deep · 44 km away
  47. 1.715 km E of Point Possession, Alaska · 2037 days ago · 10 km deep · 94 km away
  48. 1.730 km WNW of Susitna, Alaska · 2037 days ago · 73 km deep · 54 km away
  49. 2.618 km ESE of Elmendorf Air Force Base, Alaska · 2037 days ago · 20 km deep · 69 km away · felt by 7
  50. 1.925 km WNW of Susitna, Alaska · 2037 days ago · 63 km deep · 49 km away
  51. 1.613 km SE of Tyonek, Alaska · 2036 days ago · 62 km deep · 99 km away
  52. 1.541 km NNW of Beluga, Alaska · 2036 days ago · 77 km deep · 84 km away
  53. 1.63 km SSW of Point MacKenzie, Alaska · 2036 days ago · 45 km deep · 45 km away
  54. 2.028 km NW of Willow, Alaska · 2036 days ago · 47 km deep · 31 km away
  55. 1.638 km WNW of Susitna, Alaska · 2036 days ago · 68 km deep · 63 km away
  56. 1.76 km WNW of Houston, Alaska · 2036 days ago · 40 km deep · 10 km away
  57. 1.50 km SE of Skwentna, Alaska · 2035 days ago · 89 km deep · 77 km away
  58. 1.728 km NE of Skwentna, Alaska · 2035 days ago · 68 km deep · 77 km away
  59. 2.123 km ESE of Skwentna, Alaska · 2035 days ago · 63 km deep · 54 km away
  60. 1.89 km ENE of Susitna, Alaska · 2035 days ago · 54 km deep · 24 km away

The first 60 of at least 199.

Before

  1. 1.852 km SSW of Skwentna, Alaska · 2047 days ago · 98 km deep · 86 km away
  2. 1.919 km ENE of Point Possession, Alaska · 2047 days ago · 42 km deep · 87 km away
  3. 2.236 km W of Susitna, Alaska · 2047 days ago · 2 km deep · 66 km away
  4. 1.57 km NNW of Susitna North, Alaska · 2047 days ago · 14 km deep · 56 km away
  5. 2.647 km NW of Beluga, Alaska · 2047 days ago · 75 km deep · 88 km away
  6. 1.71 km WNW of Tyonek, Alaska · 2047 days ago · 63 km deep · 94 km away
  7. 2.218 km ESE of Susitna North, Alaska · 2047 days ago · 41 km deep · 48 km away
  8. 1.534 km SW of Skwentna, Alaska · 2048 days ago · 97 km deep · 92 km away
  9. 2.110 km SW of Point MacKenzie, Alaska · 2048 days ago · 43 km deep · 48 km away
  10. 1.621 km NW of Willow, Alaska · 2048 days ago · 4 km deep · 24 km away
  11. 2.544 km SSW of Skwentna, Alaska · 2048 days ago · 96 km deep · 97 km away
  12. 1.610 km NW of Susitna North, Alaska · 2048 days ago · 10 km deep · 55 km away
  13. 1.526 km NNE of Skwentna, Alaska · 2048 days ago · 82 km deep · 81 km away
  14. 1.814 km NW of Trapper Creek, Alaska · 2049 days ago · 58 km deep · 77 km away
  15. 1.836 km N of Skwentna, Alaska · 2049 days ago · 88 km deep · 97 km away
  16. 1.536 km W of Susitna, Alaska · 2049 days ago · 69 km deep · 64 km away
  17. 1.722 km WNW of Susitna, Alaska · 2049 days ago · 61 km deep · 48 km away
  18. 1.612 km NW of Susitna, Alaska · 2050 days ago · 59 km deep · 36 km away
  19. 1.830 km WSW of Susitna, Alaska · 2050 days ago · 66 km deep · 62 km away
  20. 1.852 km NW of Beluga, Alaska · 2050 days ago · 83 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021296qxub. Read Sat, Sep 26, 2026, 10:17 PM UTC.