Alaska earthquakes

M1.6 earthquake 97 km SSW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 97 km SSW of Unalaska, Alaska on Sun, Sep 9, 2018, 12:21 PM AKDT (20:21 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M4.6 24 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
1.6 (ml), micro
Local time
UTC
2018-09-09 20:21:22 UTC
Depth
25.3 km (15.7 mi), shallow
Epicenter
53.120° N, 167.282° 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
17

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 35 in the 30 days before it.

After

  1. 1.579 km SW of Unalaska, Alaska · 2943 days ago · 13 km deep · 25 km away
  2. 2.184 km E of Nikolski, Alaska · 2943 days ago · 34 km deep · 26 km away
  3. 2.386 km WSW of Unalaska, Alaska · 2943 days ago · 90 km deep · 48 km away
  4. 1.991 km SSW of Unalaska, Alaska · 2942 days ago · 42 km deep · 27 km away
  5. 2.781 km S of Unalaska, Alaska · 2942 days ago · 28 km deep · 41 km away
  6. 1.863 km SW of Unalaska, Alaska · 2941 days ago · 13 km deep · 41 km away
  7. 1.723 km WSW of Dutch Harbor, Alaska · 2941 days ago · 3 km deep · 85 km away
  8. 2.186 km E of Nikolski, Alaska · 2941 days ago · 48 km deep · 27 km away
  9. 2.777 km S of Unalaska, Alaska · 2941 days ago · 26 km deep · 42 km away
  10. 3.4Fox Islands, Aleutian Islands, Alaska · 2938 days ago · 83 km deep · 69 km away
  11. 3.7111 km SSW of Unalaska, Alaska · 2936 days ago · 31 km deep · 23 km away
  12. 1.921 km W of Dutch Harbor, Alaska · 2936 days ago · 6 km deep · 88 km away
  13. 1.920 km WSW of Dutch Harbor, Alaska · 2936 days ago · 6 km deep · 86 km away
  14. 2.419 km W of Dutch Harbor, Alaska · 2936 days ago · 3 km deep · 88 km away
  15. 2.620 km W of Dutch Harbor, Alaska · 2936 days ago · 4 km deep · 87 km away
  16. 1.821 km W of Dutch Harbor, Alaska · 2936 days ago · 6 km deep · 87 km away
  17. 1.821 km W of Dutch Harbor, Alaska · 2936 days ago · 5 km deep · 87 km away
  18. 1.621 km W of Dutch Harbor, Alaska · 2936 days ago · 5 km deep · 88 km away
  19. 2.418 km W of Dutch Harbor, Alaska · 2932 days ago · 5 km deep · 89 km away
  20. 1.827 km SSE of Unalaska, Alaska · 2931 days ago · 68 km deep · 80 km away
  21. 1.720 km W of Dutch Harbor, Alaska · 2929 days ago · 5 km deep · 87 km away
  22. 1.6Fox Islands, Aleutian Islands, Alaska · 2927 days ago · 103 km deep · 88 km away
  23. 1.877 km SSW of Unalaska, Alaska · 2927 days ago · 44 km deep · 35 km away
  24. 2.111 km SSE of Unalaska, Alaska · 2926 days ago · 85 km deep · 92 km away
  25. 1.656 km SW of Unalaska, Alaska · 2924 days ago · 15 km deep · 44 km away
  26. 1.879 km S of Unalaska, Alaska · 2923 days ago · 23 km deep · 37 km away
  27. 2.0103 km E of Nikolski, Alaska · 2923 days ago · 36 km deep · 19 km away
  28. 2.391 km E of Nikolski, Alaska · 2923 days ago · 38 km deep · 20 km away
  29. 2.592 km SSW of Unalaska, Alaska · 2921 days ago · 44 km deep · 7 km away
  30. 4.624 km NE of Nikolski, Alaska · 2920 days ago · 75 km deep · 90 km away
  31. 2.471 km SW of Unalaska, Alaska · 2919 days ago · 13 km deep · 29 km away
  32. 2.953 km ESE of Nikolski, Alaska · 2919 days ago · 43 km deep · 69 km away
  33. 2.0126 km ESE of Nikolski, Alaska · 2917 days ago · 11 km deep · 60 km away
  34. 2.159 km SW of Unalaska, Alaska · 2916 days ago · 16 km deep · 42 km away
  35. 1.934 km SSW of Unalaska, Alaska · 2915 days ago · 74 km deep · 63 km away
  36. 2.478 km SE of Nikolski, Alaska · 2915 days ago · 51 km deep · 87 km away
  37. 2.129 km SE of Nikolski, Alaska · 2914 days ago · 26 km deep · 97 km away
  38. 2.633 km ESE of Nikolski, Alaska · 2913 days ago · 49 km deep · 84 km away
  39. 1.786 km SSW of Unalaska, Alaska · 2913 days ago · 44 km deep · 11 km away
  40. 2.459 km SW of Unalaska, Alaska · 2912 days ago · 76 km deep · 42 km away
  41. 2.049 km SW of Unalaska, Alaska · 2910 days ago · 115 km deep · 57 km away
  42. 1.521 km SE of Unalaska, Alaska · 2909 days ago · 9 km deep · 98 km away
  43. 2.267 km SSE of Unalaska, Alaska · 2907 days ago · 23 km deep · 73 km away
  44. 1.874 km SSE of Unalaska, Alaska · 2904 days ago · 22 km deep · 88 km away
  45. 3.090 km S of Unalaska, Alaska · 2904 days ago · 10 km deep · 40 km away
  46. 2.375 km SSW of Unalaska, Alaska · 2904 days ago · 27 km deep · 33 km away
  47. 1.716 km WSW of Dutch Harbor, Alaska · 2903 days ago · 6 km deep · 87 km away
  48. 1.678 km SW of Unalaska, Alaska · 2902 days ago · 13 km deep · 26 km away
  49. 2.874 km ENE of Nikolski, Alaska · 2902 days ago · 57 km deep · 40 km away
  50. 2.162 km SSE of Unalaska, Alaska · 2901 days ago · 70 km deep · 68 km away
  51. 2.557 km SW of Unalaska, Alaska · 2901 days ago · 76 km deep · 43 km away
  52. 1.777 km SW of Unalaska, Alaska · 2900 days ago · 21 km deep · 23 km away
  53. 2.5107 km ESE of Nikolski, Alaska · 2898 days ago · 31 km deep · 74 km away
  54. 2.658 km E of Nikolski, Alaska · 2895 days ago · 56 km deep · 57 km away
  55. 2.570 km ENE of Nikolski, Alaska · 2895 days ago · 75 km deep · 43 km away
  56. 2.298 km SSW of Unalaska, Alaska · 2893 days ago · 33 km deep · 23 km away
  57. 3.5146 km ESE of Nikolski, Alaska · 2893 days ago · 24 km deep · 84 km away
  58. 2.3150 km ESE of Nikolski, Alaska · 2892 days ago · 18 km deep · 85 km away
  59. 1.972 km NE of Nikolski, Alaska · 2892 days ago · 73 km deep · 53 km away
  60. 2.165 km E of Nikolski, Alaska · 2889 days ago · 50 km deep · 46 km away

The first 60 of 66.

Before

  1. 1.791 km SSW of Unalaska, Alaska · 2944 days ago · 35 km deep · 11 km away
  2. 1.778 km SW of Unalaska, Alaska · 2945 days ago · 25 km deep · 31 km away
  3. 1.6124 km ESE of Nikolski, Alaska · 2946 days ago · 26 km deep · 49 km away
  4. 1.686 km SSW of Unalaska, Alaska · 2949 days ago · 43 km deep · 16 km away
  5. 1.6Fox Islands, Aleutian Islands, Alaska · 2950 days ago · 25 km deep · 33 km away
  6. 1.846 km SW of Unalaska, Alaska · 2950 days ago · 16 km deep · 54 km away
  7. 2.549 km ESE of Nikolski, Alaska · 2950 days ago · 36 km deep · 66 km away
  8. 2.673 km S of Unalaska, Alaska · 2953 days ago · 35 km deep · 39 km away
  9. 2.179 km S of Unalaska, Alaska · 2954 days ago · 22 km deep · 38 km away
  10. 2.075 km SW of Unalaska, Alaska · 2955 days ago · 26 km deep · 23 km away
  11. 2.535 km SE of Unalaska, Alaska · 2955 days ago · 72 km deep · 91 km away
  12. 2.7123 km ESE of Nikolski, Alaska · 2955 days ago · 35 km deep · 48 km away
  13. 2.144 km S of Unalaska, Alaska · 2955 days ago · 58 km deep · 66 km away
  14. 1.967 km WSW of Dutch Harbor, Alaska · 2956 days ago · 97 km deep · 75 km away
  15. 2.395 km SSW of Unalaska, Alaska · 2957 days ago · 26 km deep · 14 km away
  16. 2.944 km SE of Unalaska, Alaska · 2957 days ago · 49 km deep · 95 km away
  17. 1.9147 km ESE of Nikolski, Alaska · 2957 days ago · 17 km deep · 74 km away
  18. 2.073 km WSW of Unalaska, Alaska · 2958 days ago · 13 km deep · 48 km away
  19. 2.289 km SSW of Unalaska, Alaska · 2958 days ago · 26 km deep · 23 km away
  20. 3.082 km SSW of Unalaska, Alaska · 2958 days ago · 26 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018bl3goa6. Read Wed, Sep 30, 2026, 11:55 PM UTC.