Alaska earthquakes

M1.9 earthquake 8 km NNE of Old Harbor, Alaska

A magnitude 1.9 earthquake struck 8 km NNE of Old Harbor, Alaska on Fri, Mar 9, 2018, 11:30 PM AKST (08:30 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M3.2 9 km N of Aleneva, Alaska. This one was a foreshock.

Womens Bay 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-03-10 08:30:55 UTC
Depth
29.2 km (18.1 mi), shallow
Epicenter
57.275° N, 153.261° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.930 km NNW of Akhiok, Alaska · 3127 days ago · 44 km deep · 61 km away
  2. 1.740 km N of Larsen Bay, Alaska · 3127 days ago · 49 km deep · 85 km away
  3. 1.529 km NNE of Larsen Bay, Alaska · 3125 days ago · 52 km deep · 62 km away
  4. 1.635 km WNW of Akhiok, Alaska · 3125 days ago · 12 km deep · 85 km away
  5. 1.725 km ESE of Akhiok, Alaska · 3123 days ago · 23 km deep · 52 km away
  6. 2.126 km SW of Chiniak, Alaska · 3118 days ago · 10 km deep · 45 km away
  7. 1.73 km E of Ouzinkie, Alaska · 3115 days ago · 33 km deep · 87 km away
  8. 1.947 km NNE of Larsen Bay, Alaska · 3114 days ago · 69 km deep · 80 km away
  9. 1.929 km NW of Akhiok, Alaska · 3114 days ago · 55 km deep · 76 km away
  10. 1.819 km NW of Karluk, Alaska · 3114 days ago · 62 km deep · 97 km away
  11. 2.324 km NNW of Larsen Bay, Alaska · 3112 days ago · 57 km deep · 75 km away
  12. 1.936 km NNE of Larsen Bay, Alaska · 3110 days ago · 61 km deep · 71 km away
  13. 3.29 km N of Aleneva, Alaska · 3108 days ago · 54 km deep · 99 km away
  14. 1.924 km W of Aleneva, Alaska · 3108 days ago · 70 km deep · 89 km away
  15. 1.929 km NE of Old Harbor, Alaska · 3107 days ago · 25 km deep · 21 km away
  16. 1.918 km ESE of Chiniak, Alaska · 3107 days ago · 13 km deep · 82 km away
  17. 2.422 km SW of Karluk, Alaska · 3106 days ago · 46 km deep · 88 km away
  18. 2.237 km W of Port Lions, Alaska · 3105 days ago · 50 km deep · 64 km away
  19. 2.314 km N of Larsen Bay, Alaska · 3103 days ago · 43 km deep · 59 km away
  20. 1.721 km N of Karluk, Alaska · 3102 days ago · 57 km deep · 92 km away
  21. 2.045 km SSE of Old Harbor, Alaska · 3101 days ago · 8 km deep · 52 km away
  22. 2.047 km WSW of Aleneva, Alaska · 3098 days ago · 70 km deep · 81 km away
  23. 1.9Kodiak Island region, Alaska · 3096 days ago · 25 km deep · 18 km away
  24. 2.018 km NNE of Larsen Bay, Alaska · 3094 days ago · 66 km deep · 61 km away
  25. 2.043 km NNE of Larsen Bay, Alaska · 3094 days ago · 53 km deep · 76 km away
  26. 1.99 km W of Karluk, Alaska · 3093 days ago · 41 km deep · 88 km away
  27. 2.512 km NW of Karluk, Alaska · 3089 days ago · 50 km deep · 91 km away
  28. 2.210 km S of Chiniak, Alaska · 3088 days ago · 17 km deep · 64 km away
  29. 1.610 km ENE of Karluk, Alaska · 3088 days ago · 53 km deep · 73 km away
  30. 2.511 km SE of Womens Bay, Alaska · 3087 days ago · 29 km deep · 56 km away
  31. 1.722 km NNE of Karluk, Alaska · 3087 days ago · 52 km deep · 84 km away
  32. 2.224 km ESE of Larsen Bay, Alaska · 3082 days ago · 45 km deep · 29 km away
  33. 1.914 km NNE of Ouzinkie, Alaska · 3082 days ago · 33 km deep · 100 km away
  34. 1.640 km SW of Karluk, Alaska · 3079 days ago · 62 km deep · 96 km away
  35. 1.544 km W of Aleneva, Alaska · 3079 days ago · 53 km deep · 96 km away
  36. 2.13 km WNW of Ouzinkie, Alaska · 3076 days ago · 36 km deep · 85 km away
  37. 1.96 km NW of Karluk, Alaska · 3076 days ago · 52 km deep · 85 km away
  38. 2.129 km SSW of Karluk, Alaska · 3075 days ago · 46 km deep · 83 km away
  39. 1.517 km SW of Larsen Bay, Alaska · 3075 days ago · 47 km deep · 55 km away
  40. 2.32 km NW of Karluk, Alaska · 3073 days ago · 46 km deep · 81 km away
  41. 2.243 km SSE of Old Harbor, Alaska · 3070 days ago · 18 km deep · 51 km away
  42. 1.611 km SSW of Chiniak, Alaska · 3070 days ago · 47 km deep · 61 km away

Before

  1. 2.020 km SSE of Karluk, Alaska · 3130 days ago · 45 km deep · 66 km away
  2. 1.819 km S of Larsen Bay, Alaska · 3132 days ago · 56 km deep · 45 km away
  3. 1.619 km WSW of Karluk, Alaska · 3135 days ago · 32 km deep · 91 km away
  4. 1.831 km N of Karluk, Alaska · 3135 days ago · 51 km deep · 95 km away
  5. 1.529 km S of Karluk, Alaska · 3137 days ago · 15 km deep · 77 km away
  6. 2.530 km SW of Karluk, Alaska · 3141 days ago · 69 km deep · 95 km away
  7. 1.845 km ESE of Old Harbor, Alaska · 3143 days ago · 0 km deep · 47 km away
  8. 2.519 km W of Akhiok, Alaska · 3144 days ago · 7 km deep · 82 km away
  9. 1.615 km ENE of Akhiok, Alaska · 3146 days ago · 28 km deep · 52 km away
  10. 1.63 km SW of Chiniak, Alaska · 3148 days ago · 4 km deep · 66 km away
  11. 1.636 km NE of Larsen Bay, Alaska · 3153 days ago · 44 km deep · 54 km away
  12. 2.442 km WSW of Aleneva, Alaska · 3153 days ago · 51 km deep · 76 km away
  13. 1.633 km W of Port Lions, Alaska · 3153 days ago · 49 km deep · 70 km away
  14. 2.026 km WSW of Aleneva, Alaska · 3157 days ago · 61 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0183690ynw (also filed as ak18696687). Read Fri, Oct 2, 2026, 5:56 PM UTC.