Alaska earthquakes

M1.7 earthquake 31 km WNW of Tyonek, Alaska

A magnitude 1.7 earthquake struck 31 km WNW of Tyonek, Alaska on Mon, Dec 10, 2018, 8:38 AM AKST (17:38 UTC), 79 km (49 mi) below the surface.

A larger quake followed: M5.0 7 km SSE of Point MacKenzie, 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
1.7 (ml), micro
Local time
UTC
2018-12-10 17:38:19 UTC
Depth
79.2 km (49.2 mi), intermediate-depth
Epicenter
61.183° N, 151.671° 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
36

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 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.57 km NE of Point MacKenzie, Alaska · 2851 days ago · 41 km deep · 99 km away
  2. 1.97 km S of Big Lake, Alaska · 2851 days ago · 34 km deep · 95 km away
  3. 2.16 km NNE of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 96 km away
  4. 2.26 km SSE of Big Lake, Alaska · 2851 days ago · 42 km deep · 100 km away
  5. 1.67 km NW of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 88 km away
  6. 1.55 km WNW of Big Lake, Alaska · 2851 days ago · 38 km deep · 96 km away
  7. 1.95 km WNW of Point MacKenzie, Alaska · 2851 days ago · 41 km deep · 88 km away
  8. 2.45 km SW of Point MacKenzie, Alaska · 2851 days ago · 46 km deep · 88 km away · felt by 1
  9. 1.54 km SSE of Big Lake, Alaska · 2851 days ago · 42 km deep · 100 km away
  10. 2.28 km SSW of Big Lake, Alaska · 2851 days ago · 42 km deep · 93 km away
  11. 1.54 km S of Big Lake, Alaska · 2851 days ago · 41 km deep · 98 km away
  12. 1.68 km NNW of Point MacKenzie, Alaska · 2851 days ago · 45 km deep · 92 km away
  13. 1.53 km S of Big Lake, Alaska · 2851 days ago · 47 km deep · 98 km away
  14. 2.33 km W of Point MacKenzie, Alaska · 2851 days ago · 40 km deep · 89 km away · felt by 1
  15. 2.98 km NNW of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 90 km away · felt by 8
  16. 2.25 km NNW of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 92 km away
  17. 2.34 km SSE of Big Lake, Alaska · 2851 days ago · 42 km deep · 98 km away
  18. 1.61 km S of Big Lake, Alaska · 2851 days ago · 48 km deep · 98 km away
  19. 1.59 km NW of Point MacKenzie, Alaska · 2851 days ago · 40 km deep · 89 km away
  20. 2.61 km NW of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 91 km away · felt by 1
  21. 1.82 km NNW of Point MacKenzie, Alaska · 2851 days ago · 47 km deep · 92 km away
  22. 1.53 km S of Big Lake, Alaska · 2851 days ago · 35 km deep · 98 km away
  23. 1.68 km SSW of Big Lake, Alaska · 2851 days ago · 35 km deep · 93 km away
  24. 1.94 km SSE of Big Lake, Alaska · 2851 days ago · 43 km deep · 99 km away
  25. 2.42 km W of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 90 km away
  26. 1.67 km NW of Point MacKenzie, Alaska · 2851 days ago · 39 km deep · 89 km away
  27. 2.55 km NW of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 89 km away
  28. 1.96 km WNW of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 88 km away
  29. 1.94 km NW of Point MacKenzie, Alaska · 2851 days ago · 45 km deep · 90 km away
  30. 1.78 km NW of Point MacKenzie, Alaska · 2851 days ago · 41 km deep · 89 km away
  31. 2.39 km SW of Big Lake, Alaska · 2851 days ago · 43 km deep · 91 km away
  32. 3.03 km NNW of Point MacKenzie, Alaska · 2851 days ago · 45 km deep · 93 km away · felt by 7
  33. 1.66 km N of Point MacKenzie, Alaska · 2851 days ago · 34 km deep · 93 km away
  34. 1.84 km SSW of Big Lake, Alaska · 2851 days ago · 38 km deep · 96 km away
  35. 2.26 km SSE of Big Lake, Alaska · 2851 days ago · 42 km deep · 100 km away
  36. 1.68 km NW of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 89 km away
  37. 1.513 km ESE of Susitna, Alaska · 2851 days ago · 58 km deep · 84 km away
  38. 1.662 km W of Nikiski, Alaska · 2851 days ago · 95 km deep · 61 km away
  39. 1.513 km WNW of Point Possession, Alaska · 2851 days ago · 61 km deep · 47 km away
  40. 1.92 km WNW of Point MacKenzie, Alaska · 2850 days ago · 45 km deep · 91 km away
  41. 1.59 km SSE of Big Lake, Alaska · 2850 days ago · 41 km deep · 98 km away
  42. 2.00 km E of Point MacKenzie, Alaska · 2850 days ago · 42 km deep · 93 km away
  43. 1.69 km NNW of Point MacKenzie, Alaska · 2850 days ago · 44 km deep · 90 km away
  44. 1.63 km SSE of Big Lake, Alaska · 2850 days ago · 46 km deep · 99 km away
  45. 1.57 km SSE of Big Lake, Alaska · 2850 days ago · 42 km deep · 100 km away
  46. 1.78 km NNW of Point MacKenzie, Alaska · 2850 days ago · 42 km deep · 92 km away
  47. 1.917 km E of Beluga, Alaska · 2850 days ago · 15 km deep · 49 km away
  48. 1.544 km WNW of Clam Gulch, Alaska · 2850 days ago · 88 km deep · 89 km away
  49. 1.99 km WSW of Knik, Alaska · 2850 days ago · 34 km deep · 99 km away · felt by 1
  50. 1.66 km WNW of Point MacKenzie, Alaska · 2850 days ago · 28 km deep · 88 km away
  51. 1.61 km W of Point MacKenzie, Alaska · 2850 days ago · 42 km deep · 91 km away
  52. 2.67 km NW of Point MacKenzie, Alaska · 2850 days ago · 39 km deep · 89 km away
  53. 2.76 km N of Point MacKenzie, Alaska · 2850 days ago · 41 km deep · 94 km away
  54. 1.810 km SW of Big Lake, Alaska · 2850 days ago · 42 km deep · 90 km away
  55. 1.51 km SSW of Big Lake, Alaska · 2850 days ago · 43 km deep · 98 km away
  56. 2.05 km NW of Point MacKenzie, Alaska · 2850 days ago · 45 km deep · 89 km away
  57. 2.62 km SW of Point MacKenzie, Alaska · 2850 days ago · 44 km deep · 91 km away · felt by 2
  58. 2.39 km S of Big Lake, Alaska · 2850 days ago · 40 km deep · 97 km away
  59. 2.06 km SSE of Big Lake, Alaska · 2850 days ago · 42 km deep · 98 km away
  60. 1.87 km SSW of Big Lake, Alaska · 2850 days ago · 34 km deep · 93 km away

The first 60 of at least 202.

Before

  1. 2.08 km W of Knik, Alaska · 2851 days ago · 29 km deep · 100 km away
  2. 1.94 km W of Big Lake, Alaska · 2851 days ago · 36 km deep · 95 km away
  3. 2.99 km SSW of Big Lake, Alaska · 2851 days ago · 43 km deep · 92 km away · felt by 1
  4. 1.84 km S of Big Lake, Alaska · 2851 days ago · 43 km deep · 97 km away
  5. 1.75 km NW of Point MacKenzie, Alaska · 2851 days ago · 37 km deep · 90 km away
  6. 1.82 km WNW of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 91 km away
  7. 1.55 km N of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 93 km away
  8. 2.46 km S of Big Lake, Alaska · 2851 days ago · 44 km deep · 97 km away
  9. 1.55 km S of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 91 km away
  10. 1.54 km SSE of Big Lake, Alaska · 2851 days ago · 38 km deep · 99 km away
  11. 1.64 km NW of Point MacKenzie, Alaska · 2851 days ago · 37 km deep · 90 km away
  12. 1.54 km WNW of Point MacKenzie, Alaska · 2851 days ago · 38 km deep · 88 km away
  13. 1.78 km WSW of Knik, Alaska · 2851 days ago · 36 km deep · 100 km away
  14. 1.64 km S of Big Lake, Alaska · 2851 days ago · 38 km deep · 98 km away
  15. 1.54 km SSE of Big Lake, Alaska · 2851 days ago · 47 km deep · 98 km away
  16. 1.64 km WNW of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 89 km away
  17. 1.64 km NNW of Point MacKenzie, Alaska · 2851 days ago · 43 km deep · 91 km away
  18. 1.56 km NNW of Point MacKenzie, Alaska · 2851 days ago · 42 km deep · 90 km away
  19. 1.71 km SE of Big Lake, Alaska · 2851 days ago · 39 km deep · 100 km away
  20. 2.38 km S of Big Lake, Alaska · 2851 days ago · 44 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ft77xv9. Read Wed, Sep 30, 2026, 7:39 PM UTC.