Alaska earthquakes

M2.1 earthquake 32 km NE of Nikolski, Alaska

A magnitude 2.1 earthquake struck 32 km NE of Nikolski, Alaska on Tue, Mar 13, 2018, 9:33 AM AKDT (17:33 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.2 74 km NE of Nikolski, 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-03-13 17:33:05 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
53.163° N, 168.555° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.1ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.92ML, local (Richter)AVFinal · ±0.251 · 9 stations

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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.664 km WSW of Unalaska, Alaska · 3124 days ago · 13 km deep · 94 km away
  2. 2.376 km ESE of Nikolski, Alaska · 3124 days ago · 37 km deep · 67 km away
  3. 1.933 km SSE of Nikolski, Alaska · 3123 days ago · 42 km deep · 54 km away
  4. 2.937 km SSE of Nikolski, Alaska · 3123 days ago · 38 km deep · 61 km away
  5. 2.349 km SW of Nikolski, Alaska · 3123 days ago · 61 km deep · 82 km away
  6. 2.215 km SE of Nikolski, Alaska · 3122 days ago · 49 km deep · 37 km away
  7. 2.345 km ESE of Nikolski, Alaska · 3121 days ago · 47 km deep · 46 km away
  8. 2.258 km ESE of Nikolski, Alaska · 3121 days ago · 23 km deep · 62 km away
  9. 1.985 km E of Nikolski, Alaska · 3120 days ago · 48 km deep · 70 km away
  10. 2.176 km SW of Unalaska, Alaska · 3118 days ago · 13 km deep · 86 km away
  11. 4.274 km NE of Nikolski, Alaska · 3118 days ago · 91 km deep · 42 km away
  12. 2.344 km NNE of Nikolski, Alaska · 3117 days ago · 108 km deep · 17 km away
  13. 3.086 km SSW of Unalaska, Alaska · 3117 days ago · 73 km deep · 94 km away
  14. 1.9105 km ESE of Nikolski, Alaska · 3117 days ago · 18 km deep · 95 km away
  15. 1.558 km SW of Unalaska, Alaska · 3108 days ago · 16 km deep · 97 km away
  16. 2.147 km WSW of Nikolski, Alaska · 3107 days ago · 12 km deep · 78 km away
  17. 2.183 km E of Nikolski, Alaska · 3106 days ago · 33 km deep · 70 km away
  18. 2.422 km S of Nikolski, Alaska · 3106 days ago · 42 km deep · 51 km away
  19. 2.549 km S of Nikolski, Alaska · 3106 days ago · 49 km deep · 76 km away
  20. 2.163 km E of Nikolski, Alaska · 3105 days ago · 35 km deep · 55 km away
  21. 3.926 km SE of Nikolski, Alaska · 3104 days ago · 50 km deep · 41 km away
  22. 1.644 km WNW of Nikolski, Alaska · 3104 days ago · -3 km deep · 64 km away
  23. 2.119 km ESE of Nikolski, Alaska · 3103 days ago · 39 km deep · 31 km away
  24. 2.3Fox Islands, Aleutian Islands, Alaska · 3103 days ago · 12 km deep · 94 km away
  25. 2.1Fox Islands, Aleutian Islands, Alaska · 3101 days ago · 44 km deep · 49 km away
  26. 1.571 km SW of Unalaska, Alaska · 3101 days ago · 13 km deep · 84 km away
  27. 2.055 km SW of Nikolski, Alaska · 3100 days ago · 13 km deep · 87 km away
  28. 3.380 km NE of Nikolski, Alaska · 3100 days ago · 79 km deep · 48 km away
  29. 2.543 km ESE of Nikolski, Alaska · 3100 days ago · 99 km deep · 47 km away
  30. 2.248 km NE of Nikolski, Alaska · 3099 days ago · 8 km deep · 17 km away
  31. 2.151 km NE of Nikolski, Alaska · 3099 days ago · 7 km deep · 19 km away
  32. 1.849 km NE of Nikolski, Alaska · 3099 days ago · 7 km deep · 20 km away
  33. 2.252 km NE of Nikolski, Alaska · 3099 days ago · 5 km deep · 20 km away
  34. 1.848 km NE of Nikolski, Alaska · 3099 days ago · 14 km deep · 16 km away
  35. 1.647 km NE of Nikolski, Alaska · 3098 days ago · 9 km deep · 16 km away
  36. 1.647 km NE of Nikolski, Alaska · 3098 days ago · 7 km deep · 15 km away
  37. 2.147 km NE of Nikolski, Alaska · 3098 days ago · 14 km deep · 15 km away
  38. 1.891 km ESE of Nikolski, Alaska · 3098 days ago · 33 km deep · 90 km away
  39. 1.695 km SSW of Unalaska, Alaska · 3098 days ago · 15 km deep · 96 km away
  40. 2.252 km ESE of Nikolski, Alaska · 3094 days ago · 38 km deep · 47 km away
  41. 3.788 km SE of Nikolski, Alaska · 3093 days ago · 14 km deep · 100 km away
  42. 2.868 km SSW of Nikolski, Alaska · 3093 days ago · 38 km deep · 99 km away
  43. 1.770 km SW of Unalaska, Alaska · 3092 days ago · 20 km deep · 86 km away
  44. 2.662 km SSW of Nikolski, Alaska · 3090 days ago · 35 km deep · 93 km away
  45. 2.558 km SW of Nikolski, Alaska · 3089 days ago · 35 km deep · 90 km away
  46. 2.868 km WNW of Nikolski, Alaska · 3089 days ago · 200 km deep · 79 km away
  47. 2.660 km SW of Nikolski, Alaska · 3087 days ago · 39 km deep · 92 km away
  48. 2.152 km WSW of Nikolski, Alaska · 3087 days ago · 7 km deep · 81 km away
  49. 3.235 km SW of Nikolski, Alaska · 3087 days ago · 136 km deep · 67 km away
  50. 2.172 km WSW of Unalaska, Alaska · 3086 days ago · 8 km deep · 83 km away
  51. 2.585 km SE of Nikolski, Alaska · 3084 days ago · 15 km deep · 94 km away
  52. 2.388 km SE of Nikolski, Alaska · 3084 days ago · 13 km deep · 96 km away
  53. 2.488 km SE of Nikolski, Alaska · 3083 days ago · 14 km deep · 95 km away
  54. 2.767 km SW of Unalaska, Alaska · 3083 days ago · 87 km deep · 96 km away
  55. 1.895 km SW of Unalaska, Alaska · 3079 days ago · 40 km deep · 76 km away
  56. 2.786 km SE of Nikolski, Alaska · 3078 days ago · 20 km deep · 92 km away
  57. 2.344 km WSW of Nikolski, Alaska · 3078 days ago · 9 km deep · 74 km away
  58. 2.391 km SSW of Unalaska, Alaska · 3078 days ago · 49 km deep · 86 km away
  59. 1.657 km SW of Unalaska, Alaska · 3076 days ago · 14 km deep · 99 km away
  60. 1.786 km SW of Unalaska, Alaska · 3073 days ago · 43 km deep · 85 km away

The first 60 of 68.

Before

  1. 2.251 km SSW of Nikolski, Alaska · 3124 days ago · 38 km deep · 83 km away
  2. 1.762 km WSW of Unalaska, Alaska · 3124 days ago · 7 km deep · 95 km away
  3. 2.561 km SW of Nikolski, Alaska · 3125 days ago · 62 km deep · 93 km away
  4. 1.630 km NE of Nikolski, Alaska · 3127 days ago · 4 km deep · 2 km away
  5. 2.399 km NNE of Nikolski, Alaska · 3127 days ago · 23 km deep · 67 km away
  6. 3.277 km SSE of Nikolski, Alaska · 3127 days ago · 35 km deep · 96 km away
  7. 2.428 km SE of Nikolski, Alaska · 3127 days ago · 46 km deep · 46 km away
  8. 1.664 km SW of Unalaska, Alaska · 3131 days ago · 11 km deep · 92 km away
  9. 2.156 km SW of Nikolski, Alaska · 3132 days ago · 35 km deep · 88 km away
  10. 1.944 km SW of Nikolski, Alaska · 3132 days ago · 19 km deep · 76 km away
  11. 3.748 km WSW of Nikolski, Alaska · 3135 days ago · 122 km deep · 78 km away
  12. 1.997 km E of Nikolski, Alaska · 3136 days ago · 26 km deep · 86 km away
  13. 1.968 km WSW of Unalaska, Alaska · 3136 days ago · 14 km deep · 87 km away
  14. 2.271 km ENE of Nikolski, Alaska · 3136 days ago · 69 km deep · 50 km away
  15. 1.643 km W of Nikolski, Alaska · 3136 days ago · 1 km deep · 69 km away
  16. 2.751 km WSW of Nikolski, Alaska · 3137 days ago · 1 km deep · 81 km away
  17. 1.572 km WSW of Unalaska, Alaska · 3143 days ago · 13 km deep · 83 km away
  18. 2.073 km SW of Unalaska, Alaska · 3143 days ago · 13 km deep · 83 km away
  19. 3.570 km NW of Nikolski, Alaska · 3146 days ago · 207 km deep · 75 km away
  20. 2.554 km S of Nikolski, Alaska · 3147 days ago · 17 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0183bd0fx2 (also filed as ak18694116, av61684466). Read Thu, Oct 1, 2026, 6:42 PM UTC.