Alaska earthquakes

M1.8 earthquake Southern Alaska

A magnitude 1.8 earthquake struck in Southern Alaska on Sun, Aug 13, 2017, 9:12 AM AKDT (17:12 UTC), 117 km (72 mi) below the surface.

A larger quake followed: M4.4 33 km W of Cohoe, 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
2017-08-13 17:12:42 UTC
Depth
116.6 km (72.5 mi), intermediate-depth
Epicenter
60.981° N, 152.425° 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
39

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 106 in the 30 days before it.

After

  1. 1.727 km WNW of Beluga, Alaska · 3339 days ago · 83 km deep · 54 km away
  2. 1.876 km WNW of Nikiski, Alaska · 3339 days ago · 123 km deep · 8 km away
  3. 1.559 km WNW of Ninilchik, Alaska · 3338 days ago · 95 km deep · 75 km away
  4. 1.660 km WNW of Nikiski, Alaska · 3338 days ago · 101 km deep · 19 km away
  5. 2.664 km E of Port Alsworth, Alaska · 3337 days ago · 115 km deep · 98 km away
  6. 1.73 km NW of Nikiski, Alaska · 3337 days ago · 65 km deep · 66 km away
  7. 2.057 km NW of Ninilchik, Alaska · 3336 days ago · 99 km deep · 71 km away
  8. 1.774 km E of Port Alsworth, Alaska · 3336 days ago · 104 km deep · 86 km away
  9. 1.654 km NW of Ninilchik, Alaska · 3336 days ago · 99 km deep · 68 km away
  10. 1.72 km SSW of Beluga, Alaska · 3335 days ago · 64 km deep · 73 km away
  11. 1.767 km ENE of Port Alsworth, Alaska · 3335 days ago · 125 km deep · 81 km away
  12. 2.015 km WNW of Kalifornsky, Alaska · 3334 days ago · 67 km deep · 75 km away · felt by 1
  13. 1.711 km WSW of Point Possession, Alaska · 3334 days ago · 20 km deep · 83 km away
  14. 3.148 km W of Nikiski, Alaska · 3334 days ago · 95 km deep · 28 km away · felt by 2
  15. 1.667 km WNW of Ninilchik, Alaska · 3334 days ago · 105 km deep · 83 km away
  16. 1.78 km SSW of Tyonek, Alaska · 3333 days ago · 67 km deep · 67 km away
  17. 2.265 km W of Tyonek, Alaska · 3333 days ago · 111 km deep · 7 km away · felt by 1
  18. 1.861 km WNW of Ninilchik, Alaska · 3332 days ago · 111 km deep · 88 km away
  19. 1.95 km SSE of Soldotna, Alaska · 3332 days ago · 51 km deep · 98 km away
  20. 1.762 km WNW of Nikiski, Alaska · 3331 days ago · 104 km deep · 8 km away
  21. 1.529 km W of Salamatof, Alaska · 3331 days ago · 79 km deep · 51 km away
  22. 1.6Kenai Peninsula, Alaska · 3331 days ago · 8 km deep · 73 km away
  23. 1.55 km SSE of Soldotna, Alaska · 3330 days ago · 55 km deep · 97 km away
  24. 1.573 km WNW of Beluga, Alaska · 3330 days ago · 5 km deep · 50 km away
  25. 1.910 km NE of Ridgeway, Alaska · 3329 days ago · 60 km deep · 89 km away
  26. 1.571 km W of Salamatof, Alaska · 3329 days ago · 110 km deep · 35 km away
  27. 2.026 km WNW of Nikiski, Alaska · 3329 days ago · 80 km deep · 44 km away
  28. 1.665 km WNW of Nikiski, Alaska · 3328 days ago · 116 km deep · 10 km away
  29. 2.581 km WNW of Beluga, Alaska · 3328 days ago · 135 km deep · 51 km away · felt by 1
  30. 1.872 km E of Port Alsworth, Alaska · 3328 days ago · 121 km deep · 88 km away
  31. 2.067 km W of Tyonek, Alaska · 3328 days ago · 110 km deep · 6 km away · felt by 1
  32. 1.853 km WNW of Ninilchik, Alaska · 3327 days ago · 102 km deep · 80 km away
  33. 1.874 km WNW of Nikiski, Alaska · 3327 days ago · 125 km deep · 19 km away
  34. 1.685 km ENE of Port Alsworth, Alaska · 3326 days ago · 132 km deep · 52 km away
  35. 1.710 km WSW of Salamatof, Alaska · 3326 days ago · 65 km deep · 69 km away
  36. 1.59 km NNE of Nikiski, Alaska · 3325 days ago · 57 km deep · 71 km away
  37. 4.433 km W of Cohoe, Alaska · 3325 days ago · 78 km deep · 69 km away · felt by 15 · tsunami flag
  38. 1.848 km NNW of Beluga, Alaska · 3324 days ago · 73 km deep · 80 km away
  39. 1.666 km W of Tyonek, Alaska · 3324 days ago · 115 km deep · 12 km away
  40. 1.660 km WNW of Happy Valley, Alaska · 3324 days ago · 95 km deep · 94 km away
  41. 1.642 km WNW of Cohoe, Alaska · 3324 days ago · 95 km deep · 63 km away
  42. 1.666 km NW of Ninilchik, Alaska · 3324 days ago · 115 km deep · 57 km away
  43. 1.551 km NW of Ninilchik, Alaska · 3324 days ago · 79 km deep · 67 km away
  44. 1.522 km W of Nikiski, Alaska · 3324 days ago · 76 km deep · 50 km away
  45. 2.04 km NNW of Clam Gulch, Alaska · 3324 days ago · 79 km deep · 97 km away
  46. 1.766 km WNW of Nikiski, Alaska · 3324 days ago · 117 km deep · 14 km away
  47. 2.325 km WSW of Tyonek, Alaska · 3323 days ago · 74 km deep · 46 km away
  48. 1.648 km WNW of Nikiski, Alaska · 3322 days ago · 85 km deep · 21 km away
  49. 1.560 km NW of Ninilchik, Alaska · 3322 days ago · 90 km deep · 58 km away
  50. 1.740 km NW of Ninilchik, Alaska · 3322 days ago · 90 km deep · 75 km away
  51. 2.34 km SW of Point Possession, Alaska · 3322 days ago · 50 km deep · 92 km away
  52. 2.460 km WNW of Ninilchik, Alaska · 3321 days ago · 108 km deep · 85 km away
  53. 1.713 km WSW of Clam Gulch, Alaska · 3321 days ago · 71 km deep · 96 km away
  54. 1.767 km WNW of Ninilchik, Alaska · 3321 days ago · 97 km deep · 81 km away
  55. 2.48 km WSW of Cohoe, Alaska · 3320 days ago · 59 km deep · 88 km away · felt by 1
  56. 2.5Southern Alaska · 3320 days ago · 98 km deep · 91 km away · felt by 1
  57. 1.666 km WNW of Happy Valley, Alaska · 3320 days ago · 104 km deep · 94 km away
  58. 1.661 km WNW of Beluga, Alaska · 3319 days ago · 114 km deep · 36 km away
  59. 1.964 km WNW of Ninilchik, Alaska · 3319 days ago · 106 km deep · 76 km away
  60. 1.969 km WNW of Ninilchik, Alaska · 3319 days ago · 116 km deep · 84 km away

The first 60 of 198.

Before

  1. 1.873 km E of Port Alsworth, Alaska · 3339 days ago · 125 km deep · 80 km away
  2. 2.016 km WSW of Tyonek, Alaska · 3340 days ago · 67 km deep · 54 km away · felt by 1
  3. 2.070 km WNW of Beluga, Alaska · 3340 days ago · 130 km deep · 46 km away · felt by 1
  4. 2.732 km WNW of Beluga, Alaska · 3340 days ago · 77 km deep · 54 km away · felt by 1
  5. 1.964 km W of Tyonek, Alaska · 3340 days ago · 124 km deep · 14 km away · felt by 1
  6. 1.870 km WNW of Happy Valley, Alaska · 3340 days ago · 117 km deep · 98 km away
  7. 1.815 km SSW of Point Possession, Alaska · 3340 days ago · 54 km deep · 93 km away
  8. 2.413 km WNW of Kalifornsky, Alaska · 3341 days ago · 61 km deep · 76 km away · felt by 1
  9. 1.525 km WNW of Nikiski, Alaska · 3341 days ago · 86 km deep · 44 km away
  10. 2.442 km W of Cohoe, Alaska · 3342 days ago · 85 km deep · 66 km away · felt by 1
  11. 1.771 km W of Tyonek, Alaska · 3342 days ago · 121 km deep · 19 km away
  12. 1.648 km W of Cohoe, Alaska · 3342 days ago · 83 km deep · 63 km away
  13. 1.538 km W of Salamatof, Alaska · 3343 days ago · 80 km deep · 48 km away
  14. 1.6Kenai Peninsula, Alaska · 3343 days ago · 10 km deep · 80 km away
  15. 1.847 km WNW of Ninilchik, Alaska · 3343 days ago · 93 km deep · 79 km away
  16. 1.869 km WNW of Happy Valley, Alaska · 3343 days ago · 109 km deep · 96 km away
  17. 1.812 km WSW of Point Possession, Alaska · 3344 days ago · 9 km deep · 84 km away · felt by 1
  18. 2.311 km SW of Point Possession, Alaska · 3344 days ago · 5 km deep · 85 km away · felt by 1
  19. 1.912 km WSW of Point Possession, Alaska · 3344 days ago · 7 km deep · 84 km away · felt by 1
  20. 1.651 km WNW of Happy Valley, Alaska · 3344 days ago · 96 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017ace449b (also filed as ak16691398). Read Sun, Oct 4, 2026, 3:43 PM UTC.