Alaska earthquakes

M1.9 earthquake 17 km W of Willow, Alaska

A magnitude 1.9 earthquake struck 17 km W of Willow, Alaska on Thu, Aug 20, 2020, 6:25 PM AKDT (02:25 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M4.3 57 km SW of Skwentna, 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-21 02:25:10 UTC
Depth
46.5 km (28.9 mi), shallow
Epicenter
61.767° N, 150.368° 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
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 110 in the 30 days before it.

After

  1. 1.541 km SW of Skwentna, Alaska · 2232 days ago · 105 km deep · 84 km away
  2. 1.62 km ESE of Big Lake, Alaska · 2232 days ago · 45 km deep · 38 km away · felt by 1
  3. 1.839 km ENE of Susitna North, Alaska · 2232 days ago · 39 km deep · 85 km away
  4. 2.125 km NE of Point Possession, Alaska · 2232 days ago · 41 km deep · 79 km away
  5. 2.218 km WNW of Fishhook, Alaska · 2232 days ago · 38 km deep · 43 km away
  6. 1.54 km ESE of Big Lake, Alaska · 2232 days ago · 36 km deep · 39 km away
  7. 1.712 km N of Fishhook, Alaska · 2231 days ago · 13 km deep · 62 km away
  8. 1.841 km W of Skwentna, Alaska · 2230 days ago · 3 km deep · 98 km away
  9. 1.634 km W of Skwentna, Alaska · 2230 days ago · 99 km deep · 92 km away
  10. 1.823 km WSW of Point MacKenzie, Alaska · 2230 days ago · 45 km deep · 51 km away
  11. 1.823 km SE of Skwentna, Alaska · 2229 days ago · 59 km deep · 37 km away
  12. 3.44 km SE of Big Lake, Alaska · 2229 days ago · 48 km deep · 39 km away · felt by 59
  13. 1.926 km N of Skwentna, Alaska · 2229 days ago · 88 km deep · 76 km away
  14. 1.636 km NNW of Beluga, Alaska · 2229 days ago · 65 km deep · 57 km away
  15. 2.012 km NNE of Houston, Alaska · 2229 days ago · 33 km deep · 34 km away
  16. 1.55 km NNE of Point MacKenzie, Alaska · 2229 days ago · 31 km deep · 46 km away
  17. 2.034 km WNW of Willow, Alaska · 2228 days ago · 66 km deep · 18 km away
  18. 1.910 km N of Meadow Lakes, Alaska · 2228 days ago · 36 km deep · 40 km away
  19. 1.542 km SSW of Skwentna, Alaska · 2228 days ago · 99 km deep · 78 km away
  20. 1.524 km WSW of Petersville, Alaska · 2228 days ago · 83 km deep · 86 km away
  21. 1.68 km SSE of Tyonek, Alaska · 2228 days ago · 74 km deep · 94 km away
  22. 1.916 km ENE of Willow, Alaska · 2227 days ago · 38 km deep · 33 km away
  23. 1.736 km ENE of Skwentna, Alaska · 2227 days ago · 11 km deep · 40 km away
  24. 1.54 km W of Point Possession, Alaska · 2226 days ago · 49 km deep · 96 km away
  25. 1.59 km NNW of Knik, Alaska · 2226 days ago · 36 km deep · 40 km away
  26. 1.64 km SSE of Big Lake, Alaska · 2226 days ago · 35 km deep · 39 km away
  27. 1.62 km SSE of Big Lake, Alaska · 2226 days ago · 50 km deep · 37 km away
  28. 1.88 km N of Point MacKenzie, Alaska · 2226 days ago · 29 km deep · 42 km away
  29. 2.620 km SSW of Susitna, Alaska · 2226 days ago · 60 km deep · 46 km away · felt by 1
  30. 2.129 km WNW of Beluga, Alaska · 2226 days ago · 76 km deep · 86 km away
  31. 1.64 km N of Big Lake, Alaska · 2226 days ago · 43 km deep · 31 km away
  32. 2.40 km W of Big Lake, Alaska · 2225 days ago · 41 km deep · 35 km away
  33. 3.037 km WSW of Skwentna, Alaska · 2224 days ago · 116 km deep · 90 km away
  34. 2.411 km NNE of Houston, Alaska · 2224 days ago · 40 km deep · 33 km away · felt by 1
  35. 1.551 km SW of Skwentna, Alaska · 2224 days ago · 96 km deep · 86 km away
  36. 1.536 km E of Chase, Alaska · 2224 days ago · 62 km deep · 96 km away
  37. 1.623 km W of Petersville, Alaska · 2224 days ago · 6 km deep · 91 km away
  38. 2.05 km SE of Big Lake, Alaska · 2224 days ago · 32 km deep · 40 km away
  39. 1.723 km WNW of Susitna, Alaska · 2223 days ago · 66 km deep · 36 km away
  40. 2.215 km WNW of Fishhook, Alaska · 2223 days ago · 32 km deep · 44 km away
  41. 2.011 km N of Meadow Lakes, Alaska · 2223 days ago · 34 km deep · 42 km away
  42. 2.27 km N of Houston, Alaska · 2223 days ago · 44 km deep · 31 km away
  43. 1.615 km N of Meadow Lakes, Alaska · 2223 days ago · 47 km deep · 42 km away
  44. 2.3Central Alaska · 2223 days ago · 3 km deep · 52 km away · felt by 4
  45. 2.239 km W of Skwentna, Alaska · 2223 days ago · 123 km deep · 96 km away
  46. 2.416 km NW of Susitna, Alaska · 2222 days ago · 61 km deep · 23 km away
  47. 1.56 km NE of Point MacKenzie, Alaska · 2222 days ago · 30 km deep · 47 km away · felt by 1
  48. 1.612 km NW of Point MacKenzie, Alaska · 2222 days ago · 12 km deep · 39 km away
  49. 1.623 km W of Skwentna, Alaska · 2222 days ago · 96 km deep · 80 km away
  50. 1.618 km N of Fishhook, Alaska · 2222 days ago · 10 km deep · 61 km away
  51. 1.73 km N of Point MacKenzie, Alaska · 2222 days ago · 39 km deep · 46 km away
  52. 3.430 km WSW of Skwentna, Alaska · 2222 days ago · 113 km deep · 85 km away
  53. 2.43 km SE of Big Lake, Alaska · 2221 days ago · 34 km deep · 39 km away
  54. 1.615 km ESE of Point Possession, Alaska · 2221 days ago · 10 km deep · 99 km away
  55. 1.525 km W of Skwentna, Alaska · 2221 days ago · 99 km deep · 82 km away
  56. 1.97 km SE of Willow, Alaska · 2221 days ago · 40 km deep · 24 km away
  57. 1.620 km ENE of Beluga, Alaska · 2220 days ago · 44 km deep · 68 km away
  58. 1.547 km E of Susitna North, Alaska · 2220 days ago · 40 km deep · 89 km away
  59. 1.760 km SW of Skwentna, Alaska · 2220 days ago · 124 km deep · 99 km away
  60. 1.540 km NW of Beluga, Alaska · 2219 days ago · 73 km deep · 76 km away

The first 60 of 199.

Before

  1. 1.83 km ESE of Big Lake, Alaska · 2233 days ago · 39 km deep · 38 km away
  2. 1.51 km SW of Knik, Alaska · 2233 days ago · 53 km deep · 48 km away
  3. 1.77 km SE of Houston, Alaska · 2233 days ago · 29 km deep · 40 km away
  4. 1.74 km SSE of Big Lake, Alaska · 2234 days ago · 34 km deep · 39 km away
  5. 1.62 km NE of Susitna, Alaska · 2234 days ago · 50 km deep · 24 km away
  6. 1.523 km WSW of Susitna, Alaska · 2235 days ago · 62 km deep · 45 km away
  7. 1.62 km W of Knik, Alaska · 2235 days ago · 51 km deep · 47 km away
  8. 1.922 km SSW of Trapper Creek, Alaska · 2235 days ago · 15 km deep · 39 km away
  9. 1.921 km NNW of Skwentna, Alaska · 2236 days ago · 83 km deep · 74 km away
  10. 2.417 km S of Trapper Creek, Alaska · 2236 days ago · 56 km deep · 45 km away
  11. 3.14 km SE of Big Lake, Alaska · 2236 days ago · 46 km deep · 40 km away · felt by 18
  12. 1.613 km SSE of Trapper Creek, Alaska · 2236 days ago · 15 km deep · 49 km away
  13. 1.66 km NW of Point MacKenzie, Alaska · 2236 days ago · 35 km deep · 44 km away
  14. 1.522 km NNE of Beluga, Alaska · 2237 days ago · 59 km deep · 57 km away
  15. 1.58 km WNW of Point MacKenzie, Alaska · 2237 days ago · 36 km deep · 43 km away
  16. 1.65 km N of Point Possession, Alaska · 2238 days ago · 50 km deep · 90 km away
  17. 1.648 km N of Sutton-Alpine, Alaska · 2238 days ago · 37 km deep · 90 km away
  18. 2.435 km ESE of Skwentna, Alaska · 2238 days ago · 59 km deep · 25 km away
  19. 2.07 km NNE of Houston, Alaska · 2238 days ago · 42 km deep · 33 km away
  20. 1.52 km NNW of Point MacKenzie, Alaska · 2238 days ago · 36 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020ar13gfc. Read Thu, Oct 1, 2026, 4:59 PM UTC.