Alaska earthquakes

M1.7 earthquake 3 km NNW of Point Possession, Alaska

A magnitude 1.7 earthquake struck 3 km NNW of Point Possession, Alaska on Tue, Feb 20, 2018, 2:52 AM AKST (11:52 UTC), 49 km (31 mi) below the surface.

A larger quake followed: M4.1 3 km NNE of Big Lake, 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-02-20 11:52:55 UTC
Depth
49.1 km (30.5 mi), shallow
Epicenter
60.952° N, 150.710° 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
61

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 118 in the 30 days before it.

After

  1. 1.55 km N of Point MacKenzie, Alaska · 3147 days ago · 30 km deep · 65 km away
  2. 1.638 km WNW of Nikiski, Alaska · 3147 days ago · 85 km deep · 71 km away
  3. 2.227 km N of Beluga, Alaska · 3146 days ago · 61 km deep · 52 km away
  4. 2.211 km SW of Susitna, Alaska · 3146 days ago · 55 km deep · 57 km away
  5. 1.629 km WNW of Nikiski, Alaska · 3146 days ago · 79 km deep · 62 km away
  6. 2.021 km ESE of Clam Gulch, Alaska · 3146 days ago · 58 km deep · 87 km away
  7. 1.616 km NE of Point Possession, Alaska · 3145 days ago · 56 km deep · 15 km away
  8. 1.810 km NE of Houston, Alaska · 3145 days ago · 37 km deep · 99 km away
  9. 1.724 km W of Salamatof, Alaska · 3144 days ago · 79 km deep · 66 km away
  10. 1.66 km ENE of Nikiski, Alaska · 3144 days ago · 70 km deep · 36 km away
  11. 1.518 km WNW of Hope, Alaska · 3144 days ago · 40 km deep · 42 km away
  12. 2.044 km NW of Beluga, Alaska · 3144 days ago · 80 km deep · 73 km away
  13. 1.666 km WNW of Beluga, Alaska · 3144 days ago · 104 km deep · 94 km away
  14. 1.641 km W of Salamatof, Alaska · 3143 days ago · 89 km deep · 81 km away
  15. 1.769 km W of Tyonek, Alaska · 3143 days ago · 121 km deep · 94 km away
  16. 1.517 km ESE of Elmendorf Air Force Base, Alaska · 3143 days ago · 25 km deep · 79 km away
  17. 2.732 km WNW of Salamatof, Alaska · 3142 days ago · 78 km deep · 70 km away
  18. 1.617 km NNW of Susitna, Alaska · 3142 days ago · 54 km deep · 81 km away
  19. 1.911 km W of Houston, Alaska · 3141 days ago · 39 km deep · 85 km away · felt by 1
  20. 1.644 km S of Skwentna, Alaska · 3141 days ago · 80 km deep · 84 km away
  21. 1.924 km SW of Tyonek, Alaska · 3141 days ago · 68 km deep · 43 km away
  22. 1.719 km SE of Point Possession, Alaska · 3140 days ago · 47 km deep · 22 km away
  23. 1.515 km W of Susitna, Alaska · 3140 days ago · 66 km deep · 64 km away
  24. 1.627 km SW of Hope, Alaska · 3140 days ago · 37 km deep · 47 km away
  25. 1.66 km SSE of Kenai, Alaska · 3140 days ago · 65 km deep · 58 km away
  26. 1.73 km ENE of Susitna, Alaska · 3140 days ago · 54 km deep · 69 km away
  27. 1.716 km SE of Susitna, Alaska · 3140 days ago · 51 km deep · 58 km away
  28. 1.931 km NNE of Fox River, Alaska · 3139 days ago · 54 km deep · 92 km away
  29. 2.66 km NNW of Beluga, Alaska · 3139 days ago · 62 km deep · 35 km away
  30. 2.138 km WNW of Tyonek, Alaska · 3138 days ago · 82 km deep · 64 km away
  31. 1.531 km WNW of Nikiski, Alaska · 3138 days ago · 87 km deep · 66 km away
  32. 2.324 km ESE of Funny River, Alaska · 3138 days ago · 39 km deep · 65 km away
  33. 1.825 km WNW of Susitna, Alaska · 3138 days ago · 71 km deep · 73 km away
  34. 2.016 km ESE of Clam Gulch, Alaska · 3138 days ago · 45 km deep · 87 km away
  35. 2.26 km W of Beluga, Alaska · 3138 days ago · 62 km deep · 34 km away
  36. 2.025 km SSW of Susitna, Alaska · 3137 days ago · 49 km deep · 44 km away
  37. 1.518 km W of Anchorage, Alaska · 3137 days ago · 16 km deep · 40 km away
  38. 1.77 km SSW of Big Lake, Alaska · 3137 days ago · 45 km deep · 68 km away
  39. 3.120 km SE of Kasilof, Alaska · 3137 days ago · 60 km deep · 84 km away · felt by 2
  40. 1.514 km S of Point Possession, Alaska · 3136 days ago · 53 km deep · 18 km away
  41. 1.668 km WNW of Beluga, Alaska · 3136 days ago · 115 km deep · 96 km away
  42. 1.76 km WNW of Susitna, Alaska · 3136 days ago · 47 km deep · 69 km away
  43. 2.468 km W of Tyonek, Alaska · 3136 days ago · 112 km deep · 91 km away
  44. 1.826 km SW of Hope, Alaska · 3135 days ago · 39 km deep · 48 km away
  45. 2.023 km WSW of Point MacKenzie, Alaska · 3135 days ago · 45 km deep · 41 km away
  46. 1.924 km SW of Tyonek, Alaska · 3135 days ago · 70 km deep · 43 km away
  47. 1.844 km WNW of Clam Gulch, Alaska · 3135 days ago · 82 km deep · 98 km away
  48. 1.52 km ENE of Big Lake, Alaska · 3135 days ago · 57 km deep · 77 km away
  49. 1.966 km W of Tyonek, Alaska · 3134 days ago · 111 km deep · 90 km away
  50. 2.230 km WNW of Nikiski, Alaska · 3134 days ago · 77 km deep · 63 km away
  51. 1.842 km WNW of Nikiski, Alaska · 3133 days ago · 80 km deep · 74 km away
  52. 2.12 km NW of Big Lake, Alaska · 3132 days ago · 46 km deep · 75 km away
  53. 1.524 km SE of Point Possession, Alaska · 3132 days ago · 42 km deep · 27 km away
  54. 1.817 km SW of Susitna, Alaska · 3132 days ago · 61 km deep · 53 km away
  55. 1.56 km E of Ridgeway, Alaska · 3131 days ago · 44 km deep · 48 km away
  56. 1.532 km W of Salamatof, Alaska · 3131 days ago · 79 km deep · 74 km away
  57. 2.317 km SE of Kasilof, Alaska · 3130 days ago · 58 km deep · 83 km away
  58. 1.518 km NE of Nikiski, Alaska · 3130 days ago · 45 km deep · 25 km away
  59. 1.8Kenai Peninsula, Alaska · 3130 days ago · 39 km deep · 88 km away
  60. 1.813 km W of Tyonek, Alaska · 3130 days ago · 68 km deep · 39 km away

The first 60 of at least 199.

Before

  1. 1.819 km WNW of Susitna, Alaska · 3147 days ago · 67 km deep · 71 km away
  2. 1.86 km E of Point MacKenzie, Alaska · 3147 days ago · 30 km deep · 65 km away
  3. 1.642 km WNW of Clam Gulch, Alaska · 3147 days ago · 90 km deep · 99 km away
  4. 2.843 km NW of Beluga, Alaska · 3147 days ago · 81 km deep · 73 km away · felt by 1
  5. 1.556 km W of Salamatof, Alaska · 3148 days ago · 91 km deep · 94 km away
  6. 1.53 km SE of Hope, Alaska · 3148 days ago · 31 km deep · 61 km away
  7. 2.517 km ESE of Clam Gulch, Alaska · 3149 days ago · 61 km deep · 88 km away
  8. 1.932 km W of Salamatof, Alaska · 3149 days ago · 75 km deep · 73 km away
  9. 1.939 km W of Susitna, Alaska · 3150 days ago · 4 km deep · 74 km away
  10. 1.628 km W of Nikiski, Alaska · 3150 days ago · 7 km deep · 65 km away
  11. 1.94 km NE of Point MacKenzie, Alaska · 3151 days ago · 36 km deep · 65 km away
  12. 1.958 km WNW of Beluga, Alaska · 3151 days ago · 14 km deep · 86 km away
  13. 1.614 km W of Tyonek, Alaska · 3151 days ago · 69 km deep · 40 km away
  14. 1.546 km W of Tyonek, Alaska · 3151 days ago · 89 km deep · 72 km away
  15. 2.824 km NW of Beluga, Alaska · 3151 days ago · 72 km deep · 54 km away
  16. 1.621 km SSW of Point Possession, Alaska · 3151 days ago · 54 km deep · 24 km away
  17. 1.84 km ENE of Nikiski, Alaska · 3151 days ago · 57 km deep · 38 km away
  18. 1.617 km WNW of Susitna, Alaska · 3152 days ago · 63 km deep · 70 km away
  19. 1.629 km WSW of Susitna, Alaska · 3152 days ago · 65 km deep · 59 km away
  20. 2.024 km N of Beluga, Alaska · 3152 days ago · 66 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0182cj9qe5 (also filed as ak18468219). Read Sat, Oct 3, 2026, 3:25 PM UTC.