Alaska earthquakes

M1.5 earthquake 25 km WNW of Susitna, Alaska

A magnitude 1.5 earthquake struck 25 km WNW of Susitna, Alaska on Fri, Dec 18, 2020, 1:45 PM AKST (22:45 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M3.6 17 km ESE of Susitna North, 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
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-12-18 22:45:53 UTC
Depth
73.9 km (45.9 mi), intermediate-depth
Epicenter
61.619° N, 150.975° 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
29

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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.818 km WSW of Susitna, Alaska · 2116 days ago · 64 km deep · 14 km away
  2. 2.22 km ENE of Big Lake, Alaska · 2116 days ago · 44 km deep · 57 km away · felt by 3
  3. 2.17 km SSE of Big Lake, Alaska · 2116 days ago · 32 km deep · 60 km away
  4. 2.010 km ESE of Skwentna, Alaska · 2116 days ago · 72 km deep · 38 km away
  5. 2.345 km S of Skwentna, Alaska · 2115 days ago · 75 km deep · 27 km away
  6. 2.237 km NW of Beluga, Alaska · 2115 days ago · 78 km deep · 43 km away
  7. 1.814 km ENE of Point Possession, Alaska · 2115 days ago · 46 km deep · 77 km away
  8. 1.724 km W of Skwentna, Alaska · 2114 days ago · 99 km deep · 62 km away
  9. 1.61 km E of Tyonek, Alaska · 2114 days ago · 57 km deep · 62 km away
  10. 1.98 km N of Houston, Alaska · 2114 days ago · 37 km deep · 61 km away
  11. 1.621 km WNW of Susitna, Alaska · 2114 days ago · 54 km deep · 6 km away
  12. 1.620 km WSW of Susitna, Alaska · 2113 days ago · 68 km deep · 17 km away
  13. 1.517 km SSE of Susitna, Alaska · 2113 days ago · 62 km deep · 41 km away
  14. 1.617 km WSW of Tyonek, Alaska · 2113 days ago · 67 km deep · 73 km away
  15. 1.717 km WSW of Anchorage, Alaska · 2113 days ago · 46 km deep · 63 km away
  16. 2.0Southern Alaska · 2113 days ago · 69 km deep · 33 km away
  17. 1.812 km WSW of Big Lake, Alaska · 2113 days ago · 50 km deep · 45 km away
  18. 1.513 km WSW of Big Lake, Alaska · 2113 days ago · 51 km deep · 45 km away
  19. 1.620 km NNE of Beluga, Alaska · 2112 days ago · 10 km deep · 36 km away
  20. 1.913 km NNE of Nikiski, Alaska · 2112 days ago · 64 km deep · 92 km away
  21. 1.6Southern Alaska · 2112 days ago · 42 km deep · 73 km away
  22. 1.811 km N of Point Possession, Alaska · 2112 days ago · 5 km deep · 68 km away
  23. 1.620 km SSW of Trapper Creek, Alaska · 2112 days ago · 53 km deep · 67 km away
  24. 1.528 km WNW of Hope, Alaska · 2112 days ago · 50 km deep · 83 km away
  25. 1.521 km SSW of Anchorage, Alaska · 2112 days ago · 39 km deep · 78 km away
  26. 1.613 km NNW of Hope, Alaska · 2112 days ago · 40 km deep · 93 km away
  27. 2.470 km W of Tyonek, Alaska · 2112 days ago · 125 km deep · 94 km away
  28. 1.531 km NW of Nikiski, Alaska · 2112 days ago · 84 km deep · 95 km away
  29. 1.57 km WSW of Knik, Alaska · 2111 days ago · 32 km deep · 62 km away
  30. 1.76 km N of Big Lake, Alaska · 2111 days ago · 41 km deep · 53 km away
  31. 1.5Central Alaska · 2111 days ago · 11 km deep · 62 km away
  32. 1.632 km NNW of Beluga, Alaska · 2111 days ago · 80 km deep · 30 km away
  33. 1.831 km SW of Trapper Creek, Alaska · 2111 days ago · 4 km deep · 61 km away
  34. 1.538 km WNW of Skwentna, Alaska · 2111 days ago · 100 km deep · 78 km away
  35. 3.05 km S of Point MacKenzie, Alaska · 2111 days ago · 38 km deep · 63 km away · felt by 18
  36. 1.521 km W of Tyonek, Alaska · 2110 days ago · 71 km deep · 69 km away
  37. 2.822 km E of Susitna North, Alaska · 2110 days ago · 4 km deep · 99 km away · felt by 1
  38. 1.54 km NE of Tyonek, Alaska · 2110 days ago · 58 km deep · 58 km away
  39. 1.543 km NW of Beluga, Alaska · 2110 days ago · 79 km deep · 50 km away
  40. 1.621 km WNW of Tyonek, Alaska · 2110 days ago · 78 km deep · 58 km away
  41. 1.96 km WNW of Meadow Lakes, Alaska · 2110 days ago · 39 km deep · 67 km away
  42. 2.77 km W of Trapper Creek, Alaska · 2109 days ago · 10 km deep · 83 km away · felt by 7
  43. 1.871 km SW of Skwentna, Alaska · 2108 days ago · 116 km deep · 70 km away
  44. 1.917 km N of Nikiski, Alaska · 2108 days ago · 69 km deep · 87 km away
  45. 1.653 km W of Tyonek, Alaska · 2108 days ago · 17 km deep · 80 km away
  46. 2.128 km WNW of Susitna, Alaska · 2108 days ago · 65 km deep · 5 km away
  47. 2.51 km ENE of Tyonek, Alaska · 2107 days ago · 61 km deep · 61 km away · felt by 1
  48. 1.529 km SSE of Skwentna, Alaska · 2107 days ago · 79 km deep · 20 km away
  49. 2.336 km SSW of Trapper Creek, Alaska · 2107 days ago · 59 km deep · 51 km away
  50. 1.53 km ESE of Big Lake, Alaska · 2107 days ago · 39 km deep · 59 km away
  51. 1.518 km ESE of Beluga, Alaska · 2107 days ago · 11 km deep · 59 km away
  52. 2.63 km SW of Point MacKenzie, Alaska · 2107 days ago · 37 km deep · 59 km away · felt by 3
  53. 1.771 km W of Tyonek, Alaska · 2107 days ago · 113 km deep · 100 km away
  54. 1.59 km WSW of Knik, Alaska · 2107 days ago · 29 km deep · 61 km away
  55. 1.628 km WSW of Skwentna, Alaska · 2107 days ago · 99 km deep · 61 km away
  56. 1.515 km NNE of Willow, Alaska · 2107 days ago · 42 km deep · 60 km away
  57. 1.57 km NW of Point MacKenzie, Alaska · 2107 days ago · 37 km deep · 53 km away
  58. 2.037 km NW of Beluga, Alaska · 2107 days ago · 71 km deep · 40 km away
  59. 1.837 km NW of Beluga, Alaska · 2107 days ago · 71 km deep · 40 km away
  60. 1.726 km SSW of Skwentna, Alaska · 2107 days ago · 91 km deep · 42 km away

The first 60 of at least 202.

Before

  1. 1.610 km NW of Susitna, Alaska · 2117 days ago · 52 km deep · 17 km away
  2. 1.7Central Alaska · 2117 days ago · 60 km deep · 75 km away
  3. 2.113 km N of Skwentna, AK · 2117 days ago · 82 km deep · 58 km away
  4. 1.637 km NNW of Beluga, Alaska · 2117 days ago · 19 km deep · 22 km away
  5. 1.6Southern Alaska · 2117 days ago · 12 km deep · 96 km away
  6. 1.625 km N of Skwentna, Alaska · 2117 days ago · 92 km deep · 70 km away
  7. 1.525 km E of Skwentna, Alaska · 2117 days ago · 70 km deep · 46 km away
  8. 2.16 km WSW of Houston, Alaska · 2117 days ago · 55 km deep · 55 km away
  9. 1.94 km E of Houston, Alaska · 2117 days ago · 37 km deep · 66 km away
  10. 1.75 km S of Big Lake, Alaska · 2117 days ago · 39 km deep · 57 km away
  11. 1.95 km SSE of Big Lake, Alaska · 2117 days ago · 39 km deep · 58 km away
  12. 1.87 km W of Susitna North, AK · 2117 days ago · 11 km deep · 80 km away
  13. 3.514 km SSW of Willow, Alaska · 2117 days ago · 50 km deep · 43 km away · felt by 29
  14. 1.812 km SSW of Willow, Alaska · 2117 days ago · 47 km deep · 45 km away
  15. 2.418 km NE of Beluga, Alaska · 2118 days ago · 56 km deep · 41 km away
  16. 3.416 km SSW of Willow, Alaska · 2118 days ago · 52 km deep · 42 km away · felt by 44
  17. 1.825 km SW of Petersville, Alaska · 2118 days ago · 93 km deep · 81 km away
  18. 1.526 km NNE of Beluga, Alaska · 2119 days ago · 58 km deep · 29 km away
  19. 1.516 km SSW of Trapper Creek, Alaska · 2119 days ago · 58 km deep · 70 km away
  20. 1.518 km E of Point Possession, Alaska · 2119 days ago · 47 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020g862sux. Read Mon, Oct 5, 2026, 9:54 AM UTC.