Alaska earthquakes

M2.3 earthquake 21 km NNW of Susitna, Alaska

A magnitude 2.3 earthquake struck 21 km NNW of Susitna, Alaska on Tue, Aug 8, 2017, 6:45 PM AKDT (02:45 UTC), 57 km (35 mi) below the surface.

A larger quake followed: M4.3 19 km SE 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-08-09 02:45:17 UTC
Depth
56.8 km (35.3 mi), shallow
Epicenter
61.708° N, 150.735° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
89

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 107 in the 30 days before it.

After

  1. 1.912 km WSW of Point Possession, Alaska · 3343 days ago · 7 km deep · 95 km away · felt by 1
  2. 2.311 km SW of Point Possession, Alaska · 3343 days ago · 5 km deep · 94 km away · felt by 1
  3. 1.812 km WSW of Point Possession, Alaska · 3343 days ago · 9 km deep · 94 km away · felt by 1
  4. 1.519 km E of Point Possession, Alaska · 3343 days ago · 49 km deep · 89 km away
  5. 1.910 km NNE of Fishhook, Alaska · 3342 days ago · 13 km deep · 85 km away · felt by 1
  6. 1.6Kenai Peninsula, Alaska · 3342 days ago · 10 km deep · 86 km away
  7. 1.633 km NW of Skwentna, Alaska · 3341 days ago · 92 km deep · 80 km away
  8. 2.123 km WSW of Point MacKenzie, Alaska · 3341 days ago · 43 km deep · 51 km away · felt by 1
  9. 1.529 km SSW of Trapper Creek, Alaska · 3341 days ago · 10 km deep · 44 km away
  10. 1.524 km E of Skwentna, Alaska · 3341 days ago · 63 km deep · 32 km away
  11. 1.624 km WSW of Point MacKenzie, Alaska · 3340 days ago · 47 km deep · 47 km away
  12. 2.213 km NNW of Willow, Alaska · 3340 days ago · 42 km deep · 36 km away · felt by 1
  13. 1.85 km WNW of Point MacKenzie, Alaska · 3339 days ago · 41 km deep · 51 km away
  14. 2.732 km WNW of Beluga, Alaska · 3339 days ago · 77 km deep · 68 km away · felt by 1
  15. 2.070 km WNW of Beluga, Alaska · 3339 days ago · 130 km deep · 90 km away · felt by 1
  16. 2.016 km WSW of Tyonek, Alaska · 3339 days ago · 67 km deep · 85 km away · felt by 1
  17. 1.5Southern Alaska · 3338 days ago · 68 km deep · 25 km away
  18. 1.727 km WNW of Beluga, Alaska · 3338 days ago · 83 km deep · 70 km away
  19. 2.315 km NNW of Willow, Alaska · 3338 days ago · 43 km deep · 36 km away
  20. 2.223 km NNE of Willow, Alaska · 3336 days ago · 39 km deep · 53 km away
  21. 2.812 km ENE of Susitna North, Alaska · 3335 days ago · 50 km deep · 80 km away
  22. 2.73 km NNW of Big Lake, Alaska · 3335 days ago · 41 km deep · 44 km away · felt by 2
  23. 2.6Southern Alaska · 3335 days ago · 43 km deep · 49 km away
  24. 1.514 km NNW of Meadow Lakes, Alaska · 3335 days ago · 39 km deep · 56 km away
  25. 1.56 km NW of Meadow Lakes, Alaska · 3334 days ago · 38 km deep · 56 km away
  26. 2.34 km NE of Meadow Lakes, Alaska · 3334 days ago · 35 km deep · 64 km away
  27. 1.72 km SSW of Beluga, Alaska · 3334 days ago · 64 km deep · 69 km away
  28. 1.711 km WSW of Point Possession, Alaska · 3333 days ago · 20 km deep · 90 km away
  29. 1.718 km N of Meadow Lakes, Alaska · 3333 days ago · 35 km deep · 61 km away
  30. 1.721 km ESE of Skwentna, Alaska · 3333 days ago · 68 km deep · 27 km away
  31. 1.72 km SSW of Susitna, Alaska · 3333 days ago · 57 km deep · 23 km away
  32. 2.030 km WNW of Willow, Alaska · 3333 days ago · 65 km deep · 23 km away
  33. 2.129 km W of Skwentna, Alaska · 3332 days ago · 120 km deep · 70 km away
  34. 1.78 km SSW of Tyonek, Alaska · 3332 days ago · 67 km deep · 83 km away
  35. 1.637 km SW of Trapper Creek, Alaska · 3332 days ago · 1 km deep · 39 km away
  36. 1.58 km NNW of Houston, Alaska · 3332 days ago · 45 km deep · 46 km away
  37. 2.133 km SE of Skwentna, Alaska · 3332 days ago · 76 km deep · 16 km away · felt by 1
  38. 1.835 km N of Skwentna, Alaska · 3332 days ago · 79 km deep · 73 km away
  39. 2.8Southern Alaska · 3331 days ago · 37 km deep · 84 km away · felt by 24
  40. 1.617 km N of Fishhook, Alaska · 3331 days ago · 3 km deep · 82 km away
  41. 1.73 km W of Susitna North, Alaska · 3330 days ago · 4 km deep · 66 km away
  42. 4.319 km SE of Susitna North, Alaska · 3330 days ago · 57 km deep · 73 km away · felt by 82
  43. 1.524 km S of Skwentna, Alaska · 3330 days ago · 74 km deep · 33 km away
  44. 2.225 km NNE of Skwentna, Alaska · 3330 days ago · 77 km deep · 61 km away · felt by 1
  45. 1.6Kenai Peninsula, Alaska · 3330 days ago · 8 km deep · 83 km away
  46. 1.626 km NNW of Susitna, Alaska · 3330 days ago · 69 km deep · 7 km away
  47. 1.573 km WNW of Beluga, Alaska · 3329 days ago · 5 km deep · 89 km away
  48. 1.54 km N of Willow, Alaska · 3329 days ago · 44 km deep · 37 km away
  49. 1.827 km E of Skwentna, Alaska · 3328 days ago · 7 km deep · 34 km away
  50. 1.74 km ESE of Willow, Alaska · 3327 days ago · 43 km deep · 41 km away
  51. 2.581 km WNW of Beluga, Alaska · 3327 days ago · 135 km deep · 97 km away · felt by 1
  52. 2.64 km NE of Point MacKenzie, Alaska · 3327 days ago · 51 km deep · 56 km away · felt by 2
  53. 1.68 km E of Chase, Alaska · 3327 days ago · 13 km deep · 91 km away
  54. 1.77 km NNW of Big Lake, Alaska · 3327 days ago · 43 km deep · 41 km away
  55. 1.616 km ESE of Elmendorf Air Force Base, Alaska · 3327 days ago · 37 km deep · 93 km away
  56. 1.88 km SSE of Talkeetna, Alaska · 3327 days ago · 10 km deep · 70 km away
  57. 1.82 km E of Trapper Creek, Alaska · 3326 days ago · 15 km deep · 74 km away · felt by 1
  58. 3.241 km WNW of Skwentna, Alaska · 3326 days ago · 104 km deep · 87 km away · felt by 1
  59. 2.742 km WNW of Skwentna, Alaska · 3326 days ago · 103 km deep · 89 km away · felt by 1
  60. 1.68 km NE of Houston, Alaska · 3326 days ago · 30 km deep · 54 km away

The first 60 of at least 199.

Before

  1. 1.739 km WNW of Skwentna, Alaska · 3343 days ago · 110 km deep · 86 km away
  2. 2.110 km S of Trapper Creek, Alaska · 3344 days ago · 60 km deep · 63 km away · felt by 1
  3. 1.553 km SW of Skwentna, Alaska · 3344 days ago · 108 km deep · 71 km away
  4. 1.85 km NW of Meadow Lakes, Alaska · 3344 days ago · 37 km deep · 55 km away
  5. 1.525 km E of Susitna North, Alaska · 3344 days ago · 13 km deep · 89 km away
  6. 2.15 km NE of Meadow Lakes, Alaska · 3345 days ago · 21 km deep · 64 km away · felt by 2
  7. 1.620 km W of Tyonek, Alaska · 3345 days ago · 73 km deep · 79 km away
  8. 2.09 km WNW of Anchorage, Alaska · 3345 days ago · 43 km deep · 63 km away
  9. 1.710 km WSW of Trapper Creek, Alaska · 3345 days ago · 11 km deep · 64 km away
  10. 2.027 km NNW of Beluga, Alaska · 3346 days ago · 62 km deep · 43 km away · felt by 1
  11. 2.729 km W of Petersville, Alaska · 3346 days ago · 90 km deep · 96 km away · felt by 1
  12. 1.648 km NW of Beluga, Alaska · 3346 days ago · 82 km deep · 59 km away
  13. 1.85 km W of Petersville, Alaska · 3346 days ago · 75 km deep · 87 km away
  14. 2.216 km SSW of Susitna, Alaska · 3346 days ago · 60 km deep · 32 km away · felt by 1
  15. 1.625 km WNW of Susitna, Alaska · 3346 days ago · 67 km deep · 17 km away
  16. 1.811 km W of Point Possession, Alaska · 3347 days ago · 20 km deep · 90 km away
  17. 1.68 km S of Big Lake, Alaska · 3347 days ago · 39 km deep · 50 km away
  18. 1.717 km N of Meadow Lakes, Alaska · 3348 days ago · 34 km deep · 62 km away
  19. 1.6Central Alaska · 3348 days ago · 88 km deep · 68 km away
  20. 1.927 km SE of Skwentna, Alaska · 3348 days ago · 72 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017a5j88ww (also filed as ak16488863). Read Sat, Oct 3, 2026, 4:01 PM UTC.