Alaska earthquakes

M1.9 earthquake 64 km W of Tyonek, Alaska

A magnitude 1.9 earthquake struck 64 km W of Tyonek, Alaska on Sat, Aug 12, 2017, 7:05 AM AKDT (15:05 UTC), 124 km (77 mi) below the surface.

A larger quake followed: M4.4 33 km W of Cohoe, Alaska. This one was a foreshock.

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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
2017-08-12 15:05:47 UTC
Depth
124.3 km (77.2 mi), intermediate-depth
Epicenter
61.094° N, 152.327° 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
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 2.732 km WNW of Beluga, Alaska · 3338 days ago · 77 km deep · 43 km away · felt by 1
  2. 2.070 km WNW of Beluga, Alaska · 3338 days ago · 130 km deep · 33 km away · felt by 1
  3. 2.016 km WSW of Tyonek, Alaska · 3338 days ago · 67 km deep · 49 km away · felt by 1
  4. 1.873 km E of Port Alsworth, Alaska · 3338 days ago · 125 km deep · 93 km away
  5. 1.8Southern Alaska · 3338 days ago · 117 km deep · 14 km away
  6. 1.727 km WNW of Beluga, Alaska · 3337 days ago · 83 km deep · 44 km away
  7. 1.876 km WNW of Nikiski, Alaska · 3337 days ago · 123 km deep · 18 km away
  8. 1.559 km WNW of Ninilchik, Alaska · 3336 days ago · 95 km deep · 89 km away
  9. 1.660 km WNW of Nikiski, Alaska · 3336 days ago · 101 km deep · 31 km away
  10. 1.73 km NW of Nikiski, Alaska · 3336 days ago · 65 km deep · 68 km away
  11. 2.057 km NW of Ninilchik, Alaska · 3335 days ago · 99 km deep · 84 km away
  12. 2.6Southern Alaska · 3335 days ago · 43 km deep · 100 km away
  13. 1.774 km E of Port Alsworth, Alaska · 3335 days ago · 104 km deep · 99 km away
  14. 1.654 km NW of Ninilchik, Alaska · 3334 days ago · 99 km deep · 81 km away
  15. 1.72 km SSW of Beluga, Alaska · 3334 days ago · 64 km deep · 66 km away
  16. 1.767 km ENE of Port Alsworth, Alaska · 3333 days ago · 125 km deep · 95 km away
  17. 2.015 km WNW of Kalifornsky, Alaska · 3333 days ago · 67 km deep · 82 km away · felt by 1
  18. 1.711 km WSW of Point Possession, Alaska · 3333 days ago · 20 km deep · 80 km away
  19. 3.148 km W of Nikiski, Alaska · 3333 days ago · 95 km deep · 38 km away · felt by 2
  20. 1.667 km WNW of Ninilchik, Alaska · 3333 days ago · 105 km deep · 97 km away
  21. 2.129 km W of Skwentna, Alaska · 3332 days ago · 120 km deep · 100 km away
  22. 1.78 km SSW of Tyonek, Alaska · 3332 days ago · 67 km deep · 63 km away
  23. 2.133 km SE of Skwentna, Alaska · 3331 days ago · 76 km deep · 100 km away · felt by 1
  24. 2.265 km W of Tyonek, Alaska · 3331 days ago · 111 km deep · 7 km away · felt by 1
  25. 1.524 km S of Skwentna, Alaska · 3330 days ago · 74 km deep · 92 km away
  26. 1.762 km WNW of Nikiski, Alaska · 3330 days ago · 104 km deep · 18 km away
  27. 1.529 km W of Salamatof, Alaska · 3330 days ago · 79 km deep · 59 km away
  28. 1.6Kenai Peninsula, Alaska · 3329 days ago · 8 km deep · 69 km away
  29. 1.573 km WNW of Beluga, Alaska · 3329 days ago · 5 km deep · 37 km away
  30. 1.910 km NE of Ridgeway, Alaska · 3328 days ago · 60 km deep · 91 km away
  31. 1.571 km W of Salamatof, Alaska · 3328 days ago · 110 km deep · 49 km away
  32. 2.026 km WNW of Nikiski, Alaska · 3328 days ago · 80 km deep · 49 km away
  33. 1.665 km WNW of Nikiski, Alaska · 3327 days ago · 116 km deep · 23 km away
  34. 2.581 km WNW of Beluga, Alaska · 3327 days ago · 135 km deep · 39 km away · felt by 1
  35. 2.067 km W of Tyonek, Alaska · 3326 days ago · 110 km deep · 8 km away · felt by 1
  36. 1.853 km WNW of Ninilchik, Alaska · 3326 days ago · 102 km deep · 93 km away
  37. 1.874 km WNW of Nikiski, Alaska · 3325 days ago · 125 km deep · 32 km away
  38. 1.685 km ENE of Port Alsworth, Alaska · 3324 days ago · 132 km deep · 65 km away
  39. 1.710 km WSW of Salamatof, Alaska · 3324 days ago · 65 km deep · 74 km away
  40. 1.59 km NNE of Nikiski, Alaska · 3324 days ago · 57 km deep · 71 km away
  41. 4.433 km W of Cohoe, Alaska · 3324 days ago · 78 km deep · 79 km away · felt by 15 · tsunami flag
  42. 1.848 km NNW of Beluga, Alaska · 3323 days ago · 73 km deep · 67 km away
  43. 1.666 km W of Tyonek, Alaska · 3323 days ago · 115 km deep · 3 km away
  44. 1.642 km WNW of Cohoe, Alaska · 3323 days ago · 95 km deep · 73 km away
  45. 1.666 km NW of Ninilchik, Alaska · 3323 days ago · 115 km deep · 70 km away
  46. 1.551 km NW of Ninilchik, Alaska · 3323 days ago · 79 km deep · 79 km away
  47. 1.522 km W of Nikiski, Alaska · 3323 days ago · 76 km deep · 55 km away
  48. 1.766 km WNW of Nikiski, Alaska · 3322 days ago · 117 km deep · 28 km away
  49. 1.527 km SSW of Susitna, Alaska · 3322 days ago · 56 km deep · 92 km away
  50. 2.325 km WSW of Tyonek, Alaska · 3322 days ago · 74 km deep · 43 km away
  51. 1.648 km WNW of Nikiski, Alaska · 3321 days ago · 85 km deep · 27 km away
  52. 1.560 km NW of Ninilchik, Alaska · 3321 days ago · 90 km deep · 71 km away
  53. 1.740 km NW of Ninilchik, Alaska · 3321 days ago · 90 km deep · 87 km away
  54. 2.34 km SW of Point Possession, Alaska · 3320 days ago · 50 km deep · 89 km away
  55. 2.460 km WNW of Ninilchik, Alaska · 3320 days ago · 108 km deep · 98 km away
  56. 1.767 km WNW of Ninilchik, Alaska · 3320 days ago · 97 km deep · 94 km away
  57. 2.48 km WSW of Cohoe, Alaska · 3319 days ago · 59 km deep · 96 km away · felt by 1
  58. 1.526 km WNW of Susitna, Alaska · 3318 days ago · 70 km deep · 93 km away
  59. 1.661 km WNW of Beluga, Alaska · 3317 days ago · 114 km deep · 23 km away
  60. 1.964 km WNW of Ninilchik, Alaska · 3317 days ago · 106 km deep · 89 km away

The first 60 of 180.

Before

  1. 1.815 km SSW of Point Possession, Alaska · 3339 days ago · 54 km deep · 92 km away
  2. 2.413 km WNW of Kalifornsky, Alaska · 3339 days ago · 61 km deep · 82 km away · felt by 1
  3. 1.525 km WNW of Nikiski, Alaska · 3340 days ago · 86 km deep · 49 km away
  4. 2.442 km W of Cohoe, Alaska · 3340 days ago · 85 km deep · 77 km away · felt by 1
  5. 1.771 km W of Tyonek, Alaska · 3341 days ago · 121 km deep · 9 km away
  6. 1.648 km W of Cohoe, Alaska · 3341 days ago · 83 km deep · 74 km away
  7. 1.538 km W of Salamatof, Alaska · 3341 days ago · 80 km deep · 58 km away
  8. 1.6Kenai Peninsula, Alaska · 3341 days ago · 10 km deep · 77 km away
  9. 1.847 km WNW of Ninilchik, Alaska · 3341 days ago · 93 km deep · 92 km away
  10. 1.812 km WSW of Point Possession, Alaska · 3342 days ago · 9 km deep · 82 km away · felt by 1
  11. 2.311 km SW of Point Possession, Alaska · 3342 days ago · 5 km deep · 83 km away · felt by 1
  12. 1.912 km WSW of Point Possession, Alaska · 3342 days ago · 7 km deep · 82 km away · felt by 1
  13. 1.553 km SW of Skwentna, Alaska · 3343 days ago · 108 km deep · 62 km away
  14. 1.761 km WNW of Ninilchik, Alaska · 3344 days ago · 123 km deep · 95 km away
  15. 1.564 km WNW of Ninilchik, Alaska · 3344 days ago · 114 km deep · 89 km away
  16. 1.620 km W of Tyonek, Alaska · 3344 days ago · 73 km deep · 44 km away
  17. 2.335 km W of Salamatof, Alaska · 3345 days ago · 76 km deep · 57 km away · felt by 1
  18. 2.035 km W of Salamatof, Alaska · 3345 days ago · 76 km deep · 56 km away
  19. 1.528 km W of Salamatof, Alaska · 3345 days ago · 79 km deep · 57 km away
  20. 2.027 km NNW of Beluga, Alaska · 3345 days ago · 62 km deep · 69 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017aapcexq (also filed as ak16504892). Read Sat, Oct 3, 2026, 4:43 AM UTC.