Alaska earthquakes

M1.8 earthquake 20 km WNW of Susitna, Alaska

A magnitude 1.8 earthquake struck 20 km WNW of Susitna, Alaska on Sat, May 20, 2017, 1:18 AM AKDT (09:18 UTC), 71 km (44 mi) below the surface.

A larger quake followed: M5.2 32 km WNW of Nikiski, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-20 09:18:47 UTC
Depth
70.7 km (43.9 mi), intermediate-depth
Epicenter
61.584° N, 150.896° 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
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 133 in the 30 days before it.

After

  1. 1.814 km N of Fishhook, Alaska · 3424 days ago · 5 km deep · 92 km away
  2. 1.920 km NNE of Sterling, Alaska · 3424 days ago · 48 km deep · 98 km away
  3. 1.734 km S of Petersville, Alaska · 3424 days ago · 6 km deep · 68 km away
  4. 1.920 km W of Tyonek, Alaska · 3424 days ago · 72 km deep · 66 km away
  5. 2.06 km NNE of Willow, Alaska · 3424 days ago · 30 km deep · 53 km away
  6. 1.514 km WSW of Trapper Creek, Alaska · 3424 days ago · 62 km deep · 79 km away
  7. 1.810 km S of Talkeetna, Alaska · 3423 days ago · 8 km deep · 82 km away
  8. 1.64 km S of Houston, Alaska · 3423 days ago · 41 km deep · 56 km away
  9. 2.310 km E of Point MacKenzie, Alaska · 3423 days ago · 32 km deep · 64 km away · felt by 2
  10. 2.25 km SSW of Big Lake, Alaska · 3423 days ago · 45 km deep · 49 km away
  11. 1.949 km WNW of Beluga, Alaska · 3422 days ago · 89 km deep · 59 km away
  12. 1.57 km W of Tyonek, Alaska · 3422 days ago · 64 km deep · 62 km away
  13. 1.566 km W of Tyonek, Alaska · 3422 days ago · 113 km deep · 98 km away
  14. 2.018 km WNW of Hope, Alaska · 3422 days ago · 40 km deep · 84 km away · felt by 1
  15. 2.162 km NW of Beluga, Alaska · 3422 days ago · 101 km deep · 59 km away · felt by 1
  16. 1.719 km WSW of Point Possession, Alaska · 3422 days ago · 20 km deep · 81 km away
  17. 1.513 km ENE of Eagle River, Alaska · 3421 days ago · 27 km deep · 88 km away
  18. 1.517 km NNE of Beluga, Alaska · 3421 days ago · 60 km deep · 33 km away
  19. 2.613 km E of Nikiski, Alaska · 3421 days ago · 49 km deep · 97 km away
  20. 2.139 km WSW of Skwentna, Alaska · 3420 days ago · 122 km deep · 74 km away · felt by 1
  21. 3.520 km SSW of Skwentna, Alaska · 3420 days ago · 10 km deep · 40 km away · felt by 3
  22. 1.732 km NW of Nikiski, Alaska · 3420 days ago · 80 km deep · 89 km away
  23. 2.233 km SSW of Skwentna, Alaska · 3420 days ago · 95 km deep · 45 km away · felt by 1
  24. 1.741 km WNW of Beluga, Alaska · 3420 days ago · 81 km deep · 63 km away
  25. 2.013 km NNW of Point Possession, Alaska · 3419 days ago · 0 km deep · 62 km away
  26. 1.542 km SSW of Skwentna, Alaska · 3419 days ago · 95 km deep · 50 km away
  27. 1.98 km SSW of Big Lake, Alaska · 3419 days ago · 37 km deep · 49 km away
  28. 1.521 km SSW of Susitna, Alaska · 3419 days ago · 56 km deep · 26 km away
  29. 2.123 km NW of Nikiski, Alaska · 3419 days ago · 75 km deep · 88 km away
  30. 1.920 km NE of Skwentna, Alaska · 3417 days ago · 70 km deep · 60 km away
  31. 1.55 km W of Houston, Alaska · 3417 days ago · 40 km deep · 52 km away
  32. 1.67 km SE of Point MacKenzie, Alaska · 3416 days ago · 31 km deep · 62 km away
  33. 1.619 km SSW of Petersville, Alaska · 3416 days ago · 72 km deep · 85 km away
  34. 1.612 km SE of Point Possession, Alaska · 3416 days ago · 52 km deep · 86 km away
  35. 2.28 km NE of Point MacKenzie, Alaska · 3416 days ago · 41 km deep · 58 km away
  36. 1.823 km NNW of Susitna, Alaska · 3416 days ago · 53 km deep · 19 km away
  37. 1.815 km SW of Willow, Alaska · 3416 days ago · 56 km deep · 35 km away
  38. 1.825 km SSW of Susitna, Alaska · 3415 days ago · 66 km deep · 32 km away
  39. 1.915 km S of Trapper Creek, Alaska · 3415 days ago · 18 km deep · 74 km away
  40. 1.711 km NNW of Beluga, Alaska · 3415 days ago · 68 km deep · 42 km away
  41. 5.232 km WNW of Nikiski, Alaska · 3415 days ago · 81 km deep · 97 km away · felt by 711 · tsunami flag
  42. 1.910 km E of Willow, Alaska · 3414 days ago · 41 km deep · 59 km away
  43. 1.525 km E of Beluga, Alaska · 3413 days ago · 42 km deep · 47 km away
  44. 1.627 km SSW of Petersville, Alaska · 3413 days ago · 75 km deep · 77 km away
  45. 1.519 km NE of Skwentna, Alaska · 3413 days ago · 68 km deep · 61 km away
  46. 2.342 km WNW of Skwentna, Alaska · 3413 days ago · 106 km deep · 91 km away · felt by 1
  47. 1.76 km SE of Point MacKenzie, Alaska · 3412 days ago · 27 km deep · 61 km away
  48. 1.94 km SSW of Big Lake, Alaska · 3412 days ago · 40 km deep · 49 km away
  49. 1.731 km WNW of Nikiski, Alaska · 3412 days ago · 81 km deep · 99 km away
  50. 1.719 km WNW of Tyonek, Alaska · 3412 days ago · 70 km deep · 57 km away
  51. 2.040 km WSW of Skwentna, Alaska · 3411 days ago · 105 km deep · 66 km away · felt by 1
  52. 1.66 km SSW of Trapper Creek, Alaska · 3411 days ago · 60 km deep · 82 km away
  53. 1.515 km NNW of Willow, Alaska · 3411 days ago · 44 km deep · 49 km away
  54. 1.56 km SSW of Houston, Alaska · 3410 days ago · 40 km deep · 54 km away
  55. 1.660 km WNW of Tyonek, Alaska · 3409 days ago · 114 km deep · 82 km away
  56. 1.541 km SW of Skwentna, Alaska · 3409 days ago · 109 km deep · 65 km away
  57. 1.522 km ENE of Point Possession, Alaska · 3409 days ago · 47 km deep · 74 km away
  58. 1.529 km ESE of Skwentna, Alaska · 3409 days ago · 56 km deep · 32 km away
  59. 1.612 km ESE of Skwentna, Alaska · 3409 days ago · 95 km deep · 45 km away
  60. 1.525 km W of Tyonek, Alaska · 3408 days ago · 78 km deep · 72 km away

The first 60 of 198.

Before

  1. 1.833 km NNW of Susitna, Alaska · 3425 days ago · 57 km deep · 25 km away
  2. 1.630 km WSW of Susitna, Alaska · 3426 days ago · 70 km deep · 18 km away
  3. 1.66 km SW of Meadow Lakes, Alaska · 3426 days ago · 38 km deep · 63 km away
  4. 2.026 km SSW of Petersville, Alaska · 3426 days ago · 65 km deep · 80 km away · felt by 1
  5. 1.626 km W of Tyonek, Alaska · 3426 days ago · 76 km deep · 66 km away
  6. 1.614 km N of Fishhook, Alaska · 3427 days ago · 8 km deep · 91 km away
  7. 1.92 km NNW of Eagle River, Alaska · 3428 days ago · 15 km deep · 74 km away
  8. 1.923 km WSW of Petersville, Alaska · 3428 days ago · 85 km deep · 91 km away
  9. 1.523 km WSW of Petersville, Alaska · 3428 days ago · 78 km deep · 94 km away
  10. 1.520 km SSW of Tyonek, Alaska · 3428 days ago · 66 km deep · 80 km away
  11. 1.915 km N of Fishhook, Alaska · 3428 days ago · 10 km deep · 91 km away
  12. 2.58 km SE of Knik, Alaska · 3429 days ago · 30 km deep · 71 km away · felt by 6
  13. 1.615 km S of Susitna North, Alaska · 3429 days ago · 53 km deep · 75 km away
  14. 1.871 km WNW of Beluga, Alaska · 3429 days ago · 4 km deep · 76 km away
  15. 3.418 km SSW of Susitna North, Alaska · 3429 days ago · 42 km deep · 66 km away · felt by 2
  16. 2.35 km NE of Meadow Lakes, Alaska · 3429 days ago · 30 km deep · 73 km away · felt by 1
  17. 1.64 km N of Point MacKenzie, Alaska · 3429 days ago · 46 km deep · 53 km away
  18. 1.518 km ENE of Willow, Alaska · 3430 days ago · 38 km deep · 67 km away
  19. 2.11 km ESE of Houston, Alaska · 3430 days ago · 41 km deep · 59 km away
  20. 1.821 km N of Fishhook, Alaska · 3430 days ago · 3 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0176fopg5h (also filed as ak16078239). Read Sun, Oct 4, 2026, 5:28 PM UTC.