Alaska earthquakes

M3.9 earthquake 60 km WNW of Ninilchik, Alaska

A magnitude 3.9 earthquake struck 60 km WNW of Ninilchik, Alaska on Tue, Dec 29, 1987, 12:35 PM AKST (21:35 UTC), 100 km (62 mi) below the surface.

A larger quake followed: M6.4 75 km WNW of Ninilchik, Alaska. This one was a foreshock.

Ninilchik 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
3.9 (mb), minor
Local time
UTC
1987-12-29 21:35:54 UTC
Depth
99.8 km (62.0 mi), intermediate-depth
Epicenter
60.218° N, 152.708° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.545 km E of Pedro Bay, Alaska · 14151 days ago · 123 km deep · 52 km away
  2. 2.832 km WNW of Anchor Point, Alaska · 14151 days ago · 83 km deep · 39 km away
  3. 3.018 km NNW of Fox River, Alaska · 14147 days ago · 53 km deep · 95 km away
  4. 2.664 km WNW of Happy Valley, Alaska · 14146 days ago · 89 km deep · 16 km away
  5. 2.534 km NW of Ninilchik, Alaska · 14145 days ago · 72 km deep · 30 km away
  6. 2.852 km WNW of Happy Valley, Alaska · 14144 days ago · 83 km deep · 15 km away
  7. 3.474 km WNW of Nikiski, Alaska · 14144 days ago · 119 km deep · 85 km away
  8. 3.357 km ENE of Pedro Bay, Alaska · 14143 days ago · 130 km deep · 34 km away
  9. 2.919 km WNW of Cohoe, Alaska · 14142 days ago · 64 km deep · 61 km away
  10. 2.861 km WNW of Salamatof, Alaska · 14141 days ago · 98 km deep · 60 km away
  11. 2.958 km WNW of Happy Valley, Alaska · 14140 days ago · 99 km deep · 18 km away
  12. 2.970 km WNW of Happy Valley, Alaska · 14138 days ago · 103 km deep · 17 km away
  13. 2.761 km WNW of Happy Valley, Alaska · 14137 days ago · 100 km deep · 13 km away
  14. 2.434 km WNW of Ninilchik, Alaska · 14137 days ago · 68 km deep · 26 km away
  15. 3.146 km WNW of Happy Valley, Alaska · 14137 days ago · 100 km deep · 16 km away
  16. 2.557 km WNW of Happy Valley, Alaska · 14137 days ago · 100 km deep · 10 km away
  17. 2.428 km W of Salamatof, Alaska · 14135 days ago · 66 km deep · 67 km away
  18. 3.348 km ESE of Port Alsworth, Alaska · 14132 days ago · 159 km deep · 44 km away
  19. 2.824 km NNW of Nanwalek, Alaska · 14132 days ago · 77 km deep · 81 km away
  20. 2.42 km SSW of Kenai, Alaska · 14132 days ago · 49 km deep · 86 km away
  21. 2.838 km WSW of Anchor Point, Alaska · 14126 days ago · 89 km deep · 70 km away
  22. 3.161 km E of Port Alsworth, Alaska · 14125 days ago · 141 km deep · 28 km away
  23. 1.850 km W of Kalifornsky, Alaska · 14124 days ago · 20 km deep · 40 km away
  24. 2.98 km NW of Nikiski, Alaska · 14122 days ago · 58 km deep · 92 km away
  25. 3.772 km ENE of Pedro Bay, Alaska · 14117 days ago · 116 km deep · 19 km away
  26. 6.475 km WNW of Ninilchik, Alaska · 14114 days ago · 134 km deep · 15 km away
  27. 1.865 km WNW of Ninilchik, Alaska · 14114 days ago · 97 km deep · 8 km away
  28. 2.871 km E of Port Alsworth, Alaska · 14114 days ago · 133 km deep · 19 km away
  29. 2.067 km E of Port Alsworth, Alaska · 14114 days ago · 133 km deep · 22 km away
  30. 2.750 km ENE of Pedro Bay, Alaska · 14114 days ago · 119 km deep · 45 km away
  31. 1.577 km E of Port Alsworth, Alaska · 14114 days ago · 127 km deep · 19 km away
  32. 2.774 km E of Port Alsworth, Alaska · 14113 days ago · 138 km deep · 20 km away
  33. 2.254 km WNW of Ninilchik, Alaska · 14113 days ago · 98 km deep · 13 km away
  34. 2.868 km E of Port Alsworth, Alaska · 14113 days ago · 135 km deep · 21 km away
  35. 1.649 km WNW of Ninilchik, Alaska · 14113 days ago · 81 km deep · 11 km away
  36. 2.356 km E of Port Alsworth, Alaska · 14113 days ago · 139 km deep · 33 km away
  37. 2.917 km NW of Happy Valley, Alaska · 14113 days ago · 63 km deep · 44 km away
  38. 2.872 km E of Port Alsworth, Alaska · 14113 days ago · 132 km deep · 19 km away
  39. 3.879 km WNW of Ninilchik, Alaska · 14112 days ago · 128 km deep · 23 km away
  40. 2.169 km E of Port Alsworth, Alaska · 14112 days ago · 118 km deep · 20 km away
  41. 2.852 km E of Port Alsworth, Alaska · 14112 days ago · 147 km deep · 39 km away
  42. 2.661 km ENE of Pedro Bay, Alaska · 14112 days ago · 108 km deep · 36 km away
  43. 3.773 km E of Port Alsworth, Alaska · 14112 days ago · 134 km deep · 17 km away
  44. 1.652 km E of Pedro Bay, Alaska · 14112 days ago · 110 km deep · 47 km away
  45. 1.769 km WNW of Ninilchik, Alaska · 14112 days ago · 103 km deep · 9 km away
  46. 2.674 km E of Port Alsworth, Alaska · 14111 days ago · 126 km deep · 19 km away
  47. 2.178 km WNW of Ninilchik, Alaska · 14111 days ago · 131 km deep · 20 km away
  48. 1.554 km WNW of Ninilchik, Alaska · 14111 days ago · 92 km deep · 8 km away
  49. 2.967 km NW of Ninilchik, Alaska · 14109 days ago · 98 km deep · 30 km away
  50. 2.744 km ENE of Pedro Bay, Alaska · 14108 days ago · 114 km deep · 48 km away
  51. 1.557 km WNW of Ninilchik, Alaska · 14108 days ago · 101 km deep · 7 km away
  52. 2.246 km WNW of Ninilchik, Alaska · 14108 days ago · 91 km deep · 14 km away
  53. 2.944 km NW of Ninilchik, Alaska · 14107 days ago · 80 km deep · 26 km away
  54. 2.068 km WNW of Happy Valley, Alaska · 14107 days ago · 99 km deep · 15 km away
  55. 1.666 km WNW of Happy Valley, Alaska · 14107 days ago · 99 km deep · 10 km away
  56. 1.545 km WNW of Ninilchik, Alaska · 14107 days ago · 89 km deep · 19 km away
  57. 2.513 km WNW of Seldovia, Alaska · 14106 days ago · 42 km deep · 93 km away
  58. 2.762 km E of Port Alsworth, Alaska · 14105 days ago · 133 km deep · 27 km away
  59. 2.858 km W of Anchor Point, Alaska · 14105 days ago · 88 km deep · 52 km away
  60. 2.941 km ENE of Pedro Bay, Alaska · 14105 days ago · 129 km deep · 51 km away

The first 60 of 66.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003bn7. Read Tue, Sep 29, 2026, 6:10 AM UTC.