Alaska earthquakes

M1.8 earthquake 31 km WNW of Tyonek, Alaska

A magnitude 1.8 earthquake struck 31 km WNW of Tyonek, Alaska on Sun, Oct 8, 2017, 8:22 PM AKDT (04:22 UTC), 78 km (48 mi) below the surface.

A larger quake followed: M4.4 9 km NNE of Sterling, Alaska. This one was a foreshock.

Nikiski 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
2017-10-09 04:22:25 UTC
Depth
77.8 km (48.3 mi), intermediate-depth
Epicenter
61.179° N, 151.680° 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
32

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 201 in the 60 days after this one and 111 in the 30 days before it.

After

  1. 1.820 km WNW of Tyonek, Alaska · 3281 days ago · 68 km deep · 12 km away
  2. 2.123 km NNW of Nikiski, Alaska · 3280 days ago · 65 km deep · 35 km away · felt by 1
  3. 1.769 km WNW of Nikiski, Alaska · 3279 days ago · 115 km deep · 55 km away
  4. 1.813 km NNE of Beluga, Alaska · 3279 days ago · 65 km deep · 36 km away
  5. 1.712 km SE of Point Possession, Alaska · 3278 days ago · 38 km deep · 72 km away
  6. 1.545 km W of Tyonek, Alaska · 3278 days ago · 104 km deep · 19 km away
  7. 1.753 km NW of Ninilchik, Alaska · 3277 days ago · 95 km deep · 97 km away
  8. 2.547 km NW of Beluga, Alaska · 3277 days ago · 84 km deep · 26 km away · felt by 2
  9. 2.221 km SSW of Susitna, Alaska · 3277 days ago · 53 km deep · 60 km away · felt by 1
  10. 1.737 km W of Tyonek, Alaska · 3277 days ago · 80 km deep · 20 km away
  11. 1.714 km S of Point Possession, Alaska · 3277 days ago · 44 km deep · 67 km away
  12. 1.911 km WNW of Kalifornsky, Alaska · 3277 days ago · 64 km deep · 80 km away
  13. 1.627 km WSW of Skwentna, Alaska · 3277 days ago · 95 km deep · 82 km away
  14. 2.364 km W of Tyonek, Alaska · 3276 days ago · 114 km deep · 37 km away
  15. 1.96 km SSW of Tyonek, Alaska · 3276 days ago · 61 km deep · 32 km away
  16. 2.257 km W of Salamatof, Alaska · 3276 days ago · 92 km deep · 66 km away
  17. 2.126 km NW of Susitna, Alaska · 3276 days ago · 58 km deep · 76 km away
  18. 1.835 km S of Skwentna, Alaska · 3276 days ago · 77 km deep · 56 km away
  19. 1.934 km SSE of Skwentna, Alaska · 3275 days ago · 78 km deep · 62 km away
  20. 2.422 km N of Point Possession, Alaska · 3275 days ago · 50 km deep · 56 km away
  21. 1.747 km WSW of Skwentna, Alaska · 3275 days ago · 123 km deep · 72 km away
  22. 1.714 km SSE of Skwentna, Alaska · 3275 days ago · 75 km deep · 78 km away
  23. 1.561 km NW of Ninilchik, Alaska · 3275 days ago · 105 km deep · 95 km away
  24. 1.695 km W of Tyonek, Alaska · 3274 days ago · 156 km deep · 67 km away
  25. 2.045 km NW of Beluga, Alaska · 3274 days ago · 73 km deep · 33 km away
  26. 2.438 km W of Salamatof, Alaska · 3274 days ago · 79 km deep · 65 km away
  27. 1.615 km SW of Point Possession, Alaska · 3274 days ago · 15 km deep · 59 km away
  28. 1.627 km W of Susitna, Alaska · 3273 days ago · 73 km deep · 54 km away
  29. 1.626 km NNW of Susitna, Alaska · 3273 days ago · 54 km deep · 82 km away
  30. 1.527 km E of Point Possession, Alaska · 3272 days ago · 46 km deep · 86 km away
  31. 1.669 km WNW of Nikiski, Alaska · 3272 days ago · 111 km deep · 60 km away
  32. 1.814 km SW of Point Possession, Alaska · 3272 days ago · 52 km deep · 58 km away
  33. 2.15 km ENE of Kenai, Alaska · 3272 days ago · 52 km deep · 73 km away
  34. 1.5Kenai Peninsula, Alaska · 3272 days ago · 57 km deep · 50 km away
  35. 1.731 km WNW of Susitna, Alaska · 3272 days ago · 61 km deep · 61 km away
  36. 1.514 km SSW of Tyonek, Alaska · 3272 days ago · 56 km deep · 36 km away
  37. 1.619 km NW of Beluga, Alaska · 3272 days ago · 71 km deep · 21 km away
  38. 1.67 km NNE of Point MacKenzie, Alaska · 3271 days ago · 50 km deep · 99 km away
  39. 1.847 km WNW of Clam Gulch, Alaska · 3271 days ago · 89 km deep · 89 km away
  40. 2.015 km ESE of Susitna, Alaska · 3270 days ago · 46 km deep · 83 km away
  41. 1.883 km W of Tyonek, Alaska · 3270 days ago · 134 km deep · 56 km away
  42. 1.512 km SW of Susitna, Alaska · 3270 days ago · 58 km deep · 63 km away
  43. 1.920 km E of Skwentna, Alaska · 3270 days ago · 67 km deep · 98 km away
  44. 1.518 km E of Point Possession, Alaska · 3270 days ago · 39 km deep · 77 km away
  45. 1.75 km N of Sterling, Alaska · 3270 days ago · 46 km deep · 83 km away
  46. 2.129 km SSE of Skwentna, Alaska · 3269 days ago · 81 km deep · 64 km away
  47. 1.524 km W of Salamatof, Alaska · 3269 days ago · 73 km deep · 60 km away
  48. 1.554 km NW of Ninilchik, Alaska · 3269 days ago · 95 km deep · 97 km away
  49. 1.827 km WNW of Nikiski, Alaska · 3269 days ago · 80 km deep · 43 km away
  50. 2.217 km ENE of Nikiski, Alaska · 3269 days ago · 53 km deep · 63 km away
  51. 2.411 km SW of Tyonek, Alaska · 3268 days ago · 66 km deep · 29 km away
  52. 1.579 km W of Salamatof, Alaska · 3268 days ago · 108 km deep · 94 km away
  53. 1.711 km SE of Point Possession, Alaska · 3267 days ago · 43 km deep · 71 km away
  54. 2.273 km WNW of Beluga, Alaska · 3267 days ago · 0 km deep · 44 km away
  55. 1.621 km SSW of Tyonek, Alaska · 3267 days ago · 64 km deep · 37 km away
  56. 2.168 km W of Tyonek, Alaska · 3266 days ago · 110 km deep · 41 km away
  57. 1.553 km WNW of Nikiski, Alaska · 3266 days ago · 92 km deep · 49 km away
  58. 1.626 km SSW of Susitna, Alaska · 3266 days ago · 56 km deep · 57 km away
  59. 1.529 km WSW of Skwentna, Alaska · 3266 days ago · 103 km deep · 78 km away
  60. 1.8Southern Alaska · 3266 days ago · 44 km deep · 49 km away

The first 60 of at least 201.

Before

  1. 2.112 km NNE of Point Possession, Alaska · 3281 days ago · 57 km deep · 62 km away · felt by 1
  2. 1.945 km SW of Skwentna, Alaska · 3282 days ago · 114 km deep · 67 km away · felt by 1
  3. 1.644 km WNW of Nikiski, Alaska · 3282 days ago · 88 km deep · 35 km away
  4. 1.6Southern Alaska · 3282 days ago · 54 km deep · 65 km away
  5. 2.422 km WNW of Nikiski, Alaska · 3283 days ago · 72 km deep · 44 km away
  6. 1.514 km SSW of Anchorage, Alaska · 3283 days ago · 44 km deep · 90 km away
  7. 2.060 km W of Salamatof, Alaska · 3283 days ago · 92 km deep · 79 km away
  8. 1.56 km E of Funny River, Alaska · 3284 days ago · 44 km deep · 94 km away
  9. 1.510 km ESE of Nikiski, Alaska · 3284 days ago · 62 km deep · 65 km away
  10. 1.812 km WSW of Susitna, Alaska · 3284 days ago · 66 km deep · 62 km away
  11. 1.513 km NNW of Nikiski, Alaska · 3284 days ago · 66 km deep · 45 km away
  12. 1.913 km W of Willow, Alaska · 3284 days ago · 41 km deep · 96 km away
  13. 2.450 km WSW of Tyonek, Alaska · 3284 days ago · 96 km deep · 30 km away
  14. 1.615 km SSW of Point Possession, Alaska · 3285 days ago · 51 km deep · 63 km away
  15. 2.36 km WSW of Point Possession, Alaska · 3285 days ago · 51 km deep · 57 km away
  16. 2.06 km WSW of Nikiski, Alaska · 3285 days ago · 62 km deep · 59 km away
  17. 1.710 km SW of Point MacKenzie, Alaska · 3285 days ago · 39 km deep · 85 km away
  18. 2.312 km SE of Point Possession, Alaska · 3285 days ago · 42 km deep · 72 km away
  19. 1.59 km W of Beluga, Alaska · 3285 days ago · 65 km deep · 24 km away
  20. 1.636 km W of Cohoe, Alaska · 3286 days ago · 78 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017cyg2dde (also filed as ak16998688). Read Sat, Oct 3, 2026, 8:18 AM UTC.