Alaska earthquakes

M1.6 earthquake 57 km SSW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 57 km SSW of Unalaska, Alaska on Sat, Oct 3, 2015, 5:58 PM AKDT (01:58 UTC), 65 km (40 mi) below the surface.

A larger quake followed: M4.0 41 km SSW of Unalaska, 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2015-10-04 01:58:34 UTC
Depth
64.6 km (40.1 mi), shallow
Epicenter
53.422° N, 166.943° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 53 in the 30 days before it.

After

  1. 1.8133 km ESE of Nikolski, Alaska · 4019 days ago · 16 km deep · 98 km away
  2. 1.876 km S of Unalaska, Alaska · 4019 days ago · 26 km deep · 30 km away
  3. 1.762 km SE of Unalaska, Alaska · 4017 days ago · 13 km deep · 79 km away
  4. 1.648 km SSE of Akutan, Alaska · 4017 days ago · 4 km deep · 93 km away
  5. 1.869 km SW of Unalaska, Alaska · 4016 days ago · 80 km deep · 26 km away
  6. 1.881 km SSE of Akutan, Alaska · 4015 days ago · 25 km deep · 95 km away
  7. 1.962 km SSE of Unalaska, Alaska · 4014 days ago · 54 km deep · 56 km away
  8. 1.745 km ESE of Unalaska, Alaska · 4014 days ago · 58 km deep · 70 km away
  9. 1.980 km SW of Unalaska, Alaska · 4014 days ago · 37 km deep · 33 km away
  10. 1.973 km SE of Unalaska, Alaska · 4013 days ago · 21 km deep · 85 km away
  11. 1.732 km WSW of Dutch Harbor, Alaska · 4012 days ago · 5 km deep · 44 km away
  12. 1.675 km ENE of Nikolski, Alaska · 4010 days ago · 54 km deep · 65 km away
  13. 1.923 km NW of Dutch Harbor, Alaska · 4007 days ago · 139 km deep · 67 km away
  14. 1.985 km ESE of Nikolski, Alaska · 4006 days ago · 26 km deep · 85 km away
  15. 1.8102 km SE of Unalaska, Alaska · 4004 days ago · 16 km deep · 100 km away
  16. 2.3133 km ESE of Nikolski, Alaska · 4003 days ago · 39 km deep · 95 km away
  17. 1.655 km SW of Unalaska, Alaska · 4003 days ago · 9 km deep · 17 km away
  18. 1.823 km S of Akutan, Alaska · 4003 days ago · 67 km deep · 98 km away
  19. 1.787 km SE of Unalaska, Alaska · 4002 days ago · 26 km deep · 92 km away
  20. 1.955 km SE of Unalaska, Alaska · 4001 days ago · 45 km deep · 68 km away
  21. 1.683 km SE of Unalaska, Alaska · 4001 days ago · 53 km deep · 87 km away
  22. 2.554 km SE of Unalaska, Alaska · 4000 days ago · 24 km deep · 60 km away
  23. 1.574 km SSE of Unalaska, Alaska · 4000 days ago · 23 km deep · 67 km away
  24. 2.126 km W of Dutch Harbor, Alaska · 3998 days ago · 126 km deep · 53 km away
  25. 2.044 km SSE of Unalaska, Alaska · 3997 days ago · 52 km deep · 54 km away
  26. 2.043 km SE of Unalaska, Alaska · 3997 days ago · 69 km deep · 64 km away
  27. 1.854 km SW of Unalaska, Alaska · 3997 days ago · 10 km deep · 20 km away
  28. 2.096 km E of Nikolski, Alaska · 3996 days ago · 34 km deep · 65 km away
  29. 3.6101 km S of Unalaska, Alaska · 3995 days ago · 25 km deep · 53 km away
  30. 2.364 km SSW of Unalaska, Alaska · 3994 days ago · 65 km deep · 8 km away
  31. 3.287 km SSW of Unalaska, Alaska · 3993 days ago · 77 km deep · 31 km away
  32. 1.782 km ENE of Nikolski, Alaska · 3991 days ago · 67 km deep · 58 km away
  33. 1.939 km SSW of Unalaska, Alaska · 3991 days ago · 72 km deep · 18 km away
  34. 1.638 km SE of Unalaska, Alaska · 3991 days ago · 37 km deep · 56 km away
  35. 1.637 km ESE of Unalaska, Alaska · 3989 days ago · 65 km deep · 71 km away
  36. 2.836 km SSE of Unalaska, Alaska · 3989 days ago · 65 km deep · 51 km away
  37. 1.668 km SSE of Akutan, Alaska · 3988 days ago · 18 km deep · 92 km away
  38. 1.954 km S of Akutan, Alaska · 3986 days ago · 41 km deep · 84 km away
  39. 4.041 km SSW of Unalaska, Alaska · 3985 days ago · 80 km deep · 15 km away
  40. 2.6109 km S of Unalaska, Alaska · 3984 days ago · 17 km deep · 60 km away
  41. 2.255 km SE of Unalaska, Alaska · 3983 days ago · 46 km deep · 69 km away
  42. 3.970 km WSW of Dutch Harbor, Alaska · 3981 days ago · 149 km deep · 54 km away
  43. 1.773 km SW of Unalaska, Alaska · 3980 days ago · 30 km deep · 30 km away
  44. 2.471 km S of Unalaska, Alaska · 3980 days ago · 22 km deep · 34 km away
  45. 1.918 km E of Unalaska, Alaska · 3980 days ago · 78 km deep · 66 km away
  46. 1.715 km WSW of Dutch Harbor, Alaska · 3979 days ago · 7 km deep · 49 km away
  47. 2.522 km S of Unalaska, Alaska · 3979 days ago · 75 km deep · 40 km away
  48. 2.130 km WSW of Unalaska, Alaska · 3978 days ago · 109 km deep · 38 km away
  49. 2.148 km NE of Nikolski, Alaska · 3977 days ago · 81 km deep · 99 km away
  50. 2.373 km SSW of Unalaska, Alaska · 3976 days ago · 50 km deep · 23 km away
  51. 1.7Fox Islands, Aleutian Islands, Alaska · 3975 days ago · 27 km deep · 71 km away
  52. 1.751 km SW of Unalaska, Alaska · 3975 days ago · 15 km deep · 13 km away
  53. 2.1128 km S of Unalaska, Alaska · 3975 days ago · 10 km deep · 83 km away
  54. 2.556 km S of Akutan, Alaska · 3975 days ago · 26 km deep · 80 km away
  55. 2.592 km WNW of Dutch Harbor, Alaska · 3974 days ago · 155 km deep · 98 km away
  56. 2.076 km SW of Unalaska, Alaska · 3974 days ago · 13 km deep · 32 km away
  57. 1.8100 km SE of Unalaska, Alaska · 3974 days ago · 9 km deep · 96 km away
  58. 1.980 km SW of Unalaska, Alaska · 3974 days ago · 75 km deep · 36 km away
  59. 2.856 km SW of Unalaska, Alaska · 3974 days ago · 20 km deep · 20 km away
  60. 2.065 km SE of Unalaska, Alaska · 3973 days ago · 24 km deep · 76 km away

The first 60 of 88.

Before

  1. 1.634 km SSW of Akutan, Alaska · 4020 days ago · 69 km deep · 82 km away
  2. 1.981 km SSE of Unalaska, Alaska · 4020 days ago · 36 km deep · 64 km away
  3. 2.163 km E of Nikolski, Alaska · 4020 days ago · 51 km deep · 83 km away
  4. 1.875 km S of Unalaska, Alaska · 4023 days ago · 31 km deep · 31 km away
  5. 3.075 km SSW of Unalaska, Alaska · 4023 days ago · 52 km deep · 25 km away
  6. 1.8Fox Islands, Aleutian Islands, Alaska · 4023 days ago · 8 km deep · 99 km away
  7. 1.514 km WSW of Akutan, Alaska · 4024 days ago · 11 km deep · 97 km away
  8. 3.361 km SSE of Akutan, Alaska · 4024 days ago · 42 km deep · 97 km away
  9. 1.674 km SW of Unalaska, Alaska · 4025 days ago · 13 km deep · 31 km away
  10. 1.750 km SSE of Akutan, Alaska · 4026 days ago · 59 km deep · 98 km away
  11. 2.095 km SE of Unalaska, Alaska · 4026 days ago · 18 km deep · 94 km away
  12. 2.1137 km S of Unalaska, Alaska · 4026 days ago · 11 km deep · 88 km away
  13. 2.2Fox Islands, Aleutian Islands, Alaska · 4027 days ago · 43 km deep · 52 km away
  14. 1.777 km S of Unalaska, Alaska · 4027 days ago · 13 km deep · 31 km away
  15. 1.847 km S of Akutan, Alaska · 4028 days ago · 25 km deep · 80 km away
  16. 1.714 km ESE of Unalaska, Alaska · 4028 days ago · 93 km deep · 60 km away
  17. 1.672 km WSW of Unalaska, Alaska · 4028 days ago · 16 km deep · 36 km away
  18. 1.890 km SSW of Unalaska, Alaska · 4028 days ago · 26 km deep · 36 km away
  19. 1.734 km SSE of Unalaska, Alaska · 4028 days ago · 65 km deep · 40 km away
  20. 2.779 km S of Unalaska, Alaska · 4029 days ago · 41 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak015cq4t2jw (also filed as ak11730062). Read Mon, Oct 5, 2026, 5:25 AM UTC.