Alaska earthquakes

M1.9 earthquake 10 km NE of Ridgeway, Alaska

A magnitude 1.9 earthquake struck 10 km NE of Ridgeway, Alaska on Tue, Aug 22, 2017, 9:26 PM AKDT (05:26 UTC), 60 km (37 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
2017-08-23 05:26:54 UTC
Depth
59.9 km (37.2 mi), shallow
Epicenter
60.610° N, 150.980° 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
75

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. 1.571 km W of Salamatof, Alaska · 3328 days ago · 110 km deep · 90 km away
  2. 2.026 km WNW of Nikiski, Alaska · 3328 days ago · 80 km deep · 46 km away
  3. 1.55 km NNE of Nikolaevsk, Alaska · 3328 days ago · 65 km deep · 90 km away
  4. 1.665 km WNW of Nikiski, Alaska · 3327 days ago · 116 km deep · 84 km away
  5. 2.067 km W of Tyonek, Alaska · 3327 days ago · 110 km deep · 89 km away · felt by 1
  6. 1.853 km WNW of Ninilchik, Alaska · 3326 days ago · 102 km deep · 93 km away
  7. 2.019 km SSE of Point Possession, Alaska · 3326 days ago · 42 km deep · 31 km away
  8. 1.874 km WNW of Nikiski, Alaska · 3325 days ago · 125 km deep · 93 km away
  9. 1.710 km WSW of Salamatof, Alaska · 3325 days ago · 65 km deep · 28 km away
  10. 1.59 km NNE of Nikiski, Alaska · 3324 days ago · 57 km deep · 21 km away
  11. 1.923 km SW of Hope, Alaska · 3324 days ago · 34 km deep · 60 km away
  12. 4.433 km W of Cohoe, Alaska · 3324 days ago · 78 km deep · 55 km away · felt by 15 · tsunami flag
  13. 1.63 km ENE of Happy Valley, Alaska · 3324 days ago · 51 km deep · 82 km away
  14. 1.725 km ENE of Point Possession, Alaska · 3324 days ago · 20 km deep · 61 km away
  15. 1.666 km W of Tyonek, Alaska · 3323 days ago · 115 km deep · 92 km away
  16. 1.642 km WNW of Cohoe, Alaska · 3323 days ago · 95 km deep · 62 km away
  17. 1.666 km NW of Ninilchik, Alaska · 3323 days ago · 115 km deep · 85 km away
  18. 1.551 km NW of Ninilchik, Alaska · 3323 days ago · 79 km deep · 77 km away
  19. 1.522 km W of Nikiski, Alaska · 3323 days ago · 76 km deep · 41 km away
  20. 2.04 km NNW of Clam Gulch, Alaska · 3323 days ago · 79 km deep · 45 km away
  21. 1.766 km WNW of Nikiski, Alaska · 3323 days ago · 117 km deep · 85 km away
  22. 1.527 km SSW of Susitna, Alaska · 3322 days ago · 56 km deep · 80 km away
  23. 2.325 km WSW of Tyonek, Alaska · 3322 days ago · 74 km deep · 52 km away
  24. 1.618 km NNW of Fox River, Alaska · 3322 days ago · 38 km deep · 66 km away
  25. 1.648 km WNW of Nikiski, Alaska · 3321 days ago · 85 km deep · 67 km away
  26. 1.560 km NW of Ninilchik, Alaska · 3321 days ago · 90 km deep · 79 km away
  27. 1.740 km NW of Ninilchik, Alaska · 3321 days ago · 90 km deep · 74 km away
  28. 3.011 km E of Happy Valley, Alaska · 3321 days ago · 52 km deep · 78 km away
  29. 2.34 km SW of Point Possession, Alaska · 3321 days ago · 50 km deep · 34 km away
  30. 1.618 km WNW of Cooper Landing, Alaska · 3321 days ago · 56 km deep · 47 km away
  31. 1.625 km W of Hope, Alaska · 3320 days ago · 31 km deep · 61 km away
  32. 1.722 km WNW of Cooper Landing, Alaska · 3320 days ago · 37 km deep · 44 km away
  33. 1.718 km SE of Kasilof, Alaska · 3320 days ago · 42 km deep · 41 km away
  34. 3.111 km WNW of Fox River, Alaska · 3320 days ago · 41 km deep · 81 km away · felt by 13
  35. 1.713 km WSW of Clam Gulch, Alaska · 3320 days ago · 71 km deep · 57 km away
  36. 1.522 km SSE of Point Possession, Alaska · 3320 days ago · 13 km deep · 29 km away
  37. 1.717 km SE of Kasilof, Alaska · 3320 days ago · 66 km deep · 44 km away
  38. 2.48 km WSW of Cohoe, Alaska · 3319 days ago · 59 km deep · 40 km away · felt by 1
  39. 1.5Kenai Peninsula, Alaska · 3319 days ago · 63 km deep · 42 km away
  40. 2.829 km ESE of Clam Gulch, Alaska · 3318 days ago · 42 km deep · 54 km away
  41. 1.815 km WNW of Ninilchik, Alaska · 3318 days ago · 82 km deep · 77 km away
  42. 1.515 km W of Point MacKenzie, Alaska · 3318 days ago · 48 km deep · 93 km away
  43. 1.661 km WNW of Beluga, Alaska · 3318 days ago · 114 km deep · 100 km away
  44. 1.964 km WNW of Ninilchik, Alaska · 3318 days ago · 106 km deep · 100 km away
  45. 2.14 km NW of Nikolaevsk, Alaska · 3318 days ago · 70 km deep · 94 km away
  46. 2.515 km ENE of Beluga, Alaska · 3317 days ago · 62 km deep · 66 km away
  47. 1.511 km WNW of Point Possession, Alaska · 3317 days ago · 12 km deep · 38 km away
  48. 3.313 km W of Tyonek, Alaska · 3317 days ago · 67 km deep · 57 km away · felt by 3
  49. 1.711 km E of Funny River, Alaska · 3316 days ago · 46 km deep · 26 km away
  50. 2.312 km W of Tyonek, Alaska · 3316 days ago · 65 km deep · 57 km away · felt by 1
  51. 2.427 km WNW of Ninilchik, Alaska · 3316 days ago · 68 km deep · 85 km away
  52. 1.731 km ENE of Sterling, Alaska · 3316 days ago · 41 km deep · 39 km away
  53. 1.967 km W of Tyonek, Alaska · 3316 days ago · 115 km deep · 87 km away
  54. 4.14 km ESE of Nikiski, Alaska · 3316 days ago · 68 km deep · 15 km away · felt by 138 · tsunami flag
  55. 1.543 km WNW of Ninilchik, Alaska · 3315 days ago · 91 km deep · 94 km away
  56. 1.611 km ESE of Happy Valley, Alaska · 3315 days ago · 54 km deep · 84 km away
  57. 1.931 km WNW of Ninilchik, Alaska · 3314 days ago · 71 km deep · 85 km away
  58. 2.228 km W of Cohoe, Alaska · 3314 days ago · 73 km deep · 53 km away
  59. 1.722 km ENE of Point Possession, Alaska · 3314 days ago · 47 km deep · 57 km away
  60. 1.734 km WNW of Clam Gulch, Alaska · 3313 days ago · 88 km deep · 63 km away

The first 60 of at least 199.

Before

  1. 1.55 km SSE of Soldotna, Alaska · 3329 days ago · 55 km deep · 20 km away
  2. 2.79 km E of Sterling, Alaska · 3330 days ago · 45 km deep · 23 km away · felt by 1
  3. 1.6Kenai Peninsula, Alaska · 3330 days ago · 8 km deep · 41 km away
  4. 1.815 km NW of Moose Pass, Alaska · 3330 days ago · 24 km deep · 76 km away
  5. 1.529 km W of Salamatof, Alaska · 3330 days ago · 79 km deep · 48 km away
  6. 1.762 km WNW of Nikiski, Alaska · 3330 days ago · 104 km deep · 81 km away
  7. 1.95 km SSE of Soldotna, Alaska · 3331 days ago · 51 km deep · 18 km away
  8. 2.8Southern Alaska · 3331 days ago · 37 km deep · 72 km away · felt by 24
  9. 2.265 km W of Tyonek, Alaska · 3332 days ago · 111 km deep · 88 km away · felt by 1
  10. 1.78 km SSW of Tyonek, Alaska · 3332 days ago · 67 km deep · 44 km away
  11. 3.148 km W of Nikiski, Alaska · 3333 days ago · 95 km deep · 67 km away · felt by 2
  12. 1.519 km ESE of Kasilof, Alaska · 3333 days ago · 60 km deep · 36 km away
  13. 1.711 km WSW of Point Possession, Alaska · 3333 days ago · 20 km deep · 32 km away
  14. 2.015 km WNW of Kalifornsky, Alaska · 3333 days ago · 67 km deep · 36 km away · felt by 1
  15. 1.526 km SSE of Funny River, Alaska · 3334 days ago · 50 km deep · 42 km away
  16. 1.72 km SSW of Beluga, Alaska · 3334 days ago · 64 km deep · 57 km away
  17. 1.654 km NW of Ninilchik, Alaska · 3335 days ago · 99 km deep · 84 km away
  18. 2.014 km ESE of Clam Gulch, Alaska · 3335 days ago · 65 km deep · 49 km away
  19. 2.6Southern Alaska · 3335 days ago · 43 km deep · 79 km away
  20. 2.057 km NW of Ninilchik, Alaska · 3335 days ago · 99 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017asqfevq (also filed as ak16630930). Read Sat, Oct 3, 2026, 3:03 PM UTC.