Alaska earthquakes

M1.8 earthquake 17 km W of Dutch Harbor, Alaska

A magnitude 1.8 earthquake struck 17 km W of Dutch Harbor, Alaska on Tue, Jul 24, 2018, 10:20 PM AKDT (06:20 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.1 79 km S of Unalaska, Alaska. This one was a foreshock.

Dutch Harbor 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
1.8 (ml), micro
Local time
UTC
2018-07-25 06:20:42 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
53.864° N, 166.802° 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.

Location uncertainty
About 0.5 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
132°
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: 85 in the 60 days after this one and 48 in the 30 days before it.

After

  1. 1.617 km W of Dutch Harbor, Alaska · 2990 days ago · 8 km deep · 0 km away
  2. 2.237 km SSW of Unalaska, Alaska · 2987 days ago · 66 km deep · 36 km away
  3. 1.782 km SW of Unalaska, Alaska · 2986 days ago · 13 km deep · 71 km away
  4. 1.774 km SSE of Akutan, Alaska · 2986 days ago · 13 km deep · 97 km away
  5. 2.369 km SE of Unalaska, Alaska · 2986 days ago · 13 km deep · 81 km away
  6. 2.468 km SSW of Unalaska, Alaska · 2986 days ago · 38 km deep · 66 km away
  7. 1.52 km SW of Unalaska, Alaska · 2985 days ago · 11 km deep · 16 km away
  8. 1.714 km WSW of Akutan, Alaska · 2982 days ago · 14 km deep · 59 km away
  9. 1.862 km SSE of Akutan, Alaska · 2981 days ago · 44 km deep · 90 km away
  10. 2.682 km S of Unalaska, Alaska · 2979 days ago · 26 km deep · 80 km away
  11. 2.052 km SW of Unalaska, Alaska · 2979 days ago · 67 km deep · 43 km away
  12. 2.636 km ESE of Unalaska, Alaska · 2978 days ago · 64 km deep · 52 km away
  13. 1.691 km SSW of Unalaska, Alaska · 2978 days ago · 47 km deep · 83 km away
  14. 2.43 km E of Unalaska, Alaska · 2977 days ago · 10 km deep · 21 km away
  15. 1.868 km SSW of Unalaska, Alaska · 2977 days ago · 64 km deep · 66 km away
  16. 2.07 km NNE of Dutch Harbor, Alaska · 2976 days ago · 129 km deep · 22 km away
  17. 2.16 km NE of Akutan, Alaska · 2976 days ago · 99 km deep · 79 km away
  18. 1.6105 km W of Dutch Harbor, Alaska · 2975 days ago · 15 km deep · 89 km away
  19. 1.63 km SE of Unalaska, Alaska · 2975 days ago · 12 km deep · 20 km away
  20. 2.073 km SSW of Unalaska, Alaska · 2975 days ago · 82 km deep · 66 km away
  21. 1.991 km SSE of Unalaska, Alaska · 2974 days ago · 13 km deep · 96 km away
  22. 1.569 km SE of Unalaska, Alaska · 2974 days ago · 21 km deep · 83 km away
  23. 2.576 km S of Akutan, Alaska · 2973 days ago · 24 km deep · 91 km away
  24. 1.539 km WSW of Dutch Harbor, Alaska · 2972 days ago · 5 km deep · 23 km away
  25. 1.936 km WNW of Dutch Harbor, Alaska · 2969 days ago · 13 km deep · 26 km away
  26. 2.762 km SSW of Unalaska, Alaska · 2968 days ago · 57 km deep · 59 km away
  27. 1.63 km ESE of Akutan, Alaska · 2966 days ago · 107 km deep · 76 km away
  28. 1.891 km SSW of Unalaska, Alaska · 2966 days ago · 30 km deep · 86 km away
  29. 1.972 km SSE of Akutan, Alaska · 2963 days ago · 26 km deep · 100 km away
  30. 2.593 km SSW of Unalaska, Alaska · 2962 days ago · 29 km deep · 87 km away
  31. 2.067 km SSW of Unalaska, Alaska · 2961 days ago · 46 km deep · 63 km away
  32. 2.334 km S of Akutan, Alaska · 2961 days ago · 51 km deep · 62 km away
  33. 2.173 km SE of Unalaska, Alaska · 2960 days ago · 16 km deep · 88 km away
  34. 1.953 km SSE of Akutan, Alaska · 2959 days ago · 43 km deep · 98 km away
  35. 2.354 km SE of Unalaska, Alaska · 2959 days ago · 52 km deep · 68 km away
  36. 1.553 km SW of Unalaska, Alaska · 2959 days ago · 13 km deep · 42 km away
  37. 2.319 km SE of Unalaska, Alaska · 2959 days ago · 75 km deep · 35 km away
  38. 4.179 km S of Unalaska, Alaska · 2958 days ago · 39 km deep · 78 km away
  39. 3.082 km SSW of Unalaska, Alaska · 2958 days ago · 26 km deep · 77 km away
  40. 2.289 km SSW of Unalaska, Alaska · 2958 days ago · 26 km deep · 85 km away
  41. 2.073 km WSW of Unalaska, Alaska · 2958 days ago · 13 km deep · 58 km away
  42. 1.812 km S of Akutan, Alaska · 2958 days ago · 107 km deep · 68 km away
  43. 1.753 km SSE of Akutan, Alaska · 2957 days ago · 40 km deep · 96 km away
  44. 2.944 km SE of Unalaska, Alaska · 2957 days ago · 49 km deep · 57 km away
  45. 2.395 km SSW of Unalaska, Alaska · 2956 days ago · 26 km deep · 89 km away
  46. 1.835 km SE of Akutan, Alaska · 2956 days ago · 68 km deep · 96 km away
  47. 1.967 km WSW of Dutch Harbor, Alaska · 2955 days ago · 97 km deep · 50 km away
  48. 1.638 km SE of Akutan, Alaska · 2955 days ago · 69 km deep · 97 km away
  49. 2.144 km S of Unalaska, Alaska · 2955 days ago · 58 km deep · 47 km away
  50. 2.535 km SE of Unalaska, Alaska · 2955 days ago · 72 km deep · 48 km away
  51. 2.075 km SW of Unalaska, Alaska · 2955 days ago · 26 km deep · 66 km away
  52. 2.179 km S of Unalaska, Alaska · 2954 days ago · 22 km deep · 78 km away
  53. 1.950 km S of Akutan, Alaska · 2954 days ago · 75 km deep · 76 km away
  54. 2.673 km S of Unalaska, Alaska · 2953 days ago · 35 km deep · 71 km away
  55. 1.846 km SW of Unalaska, Alaska · 2950 days ago · 16 km deep · 35 km away
  56. 2.649 km WNW of Dutch Harbor, Alaska · 2950 days ago · 179 km deep · 38 km away
  57. 1.686 km SSW of Unalaska, Alaska · 2949 days ago · 43 km deep · 80 km away
  58. 2.157 km SSE of Akutan, Alaska · 2948 days ago · 46 km deep · 90 km away
  59. 1.662 km SE of Unalaska, Alaska · 2948 days ago · 42 km deep · 76 km away
  60. 3.059 km ESE of Unalaska, Alaska · 2947 days ago · 56 km deep · 74 km away

The first 60 of 85.

Before

  1. 1.617 km WSW of Dutch Harbor, Alaska · 2990 days ago · 5 km deep · 1 km away
  2. 1.817 km WSW of Dutch Harbor, Alaska · 2990 days ago · 9 km deep · 1 km away
  3. 2.017 km WSW of Dutch Harbor, Alaska · 2990 days ago · 7 km deep · 1 km away
  4. 1.716 km WSW of Dutch Harbor, Alaska · 2990 days ago · 6 km deep · 2 km away
  5. 2.284 km SSW of Unalaska, Alaska · 2990 days ago · 40 km deep · 78 km away
  6. 1.915 km WSW of Dutch Harbor, Alaska · 2991 days ago · 5 km deep · 2 km away
  7. 2.621 km SSE of Akutan, Alaska · 2992 days ago · 118 km deep · 78 km away
  8. 1.542 km ESE of Unalaska, Alaska · 2992 days ago · 35 km deep · 58 km away
  9. 2.035 km SW of Unalaska, Alaska · 2992 days ago · 15 km deep · 24 km away
  10. 1.635 km SW of Unalaska, Alaska · 2992 days ago · 16 km deep · 25 km away
  11. 2.155 km SSE of Akutan, Alaska · 2992 days ago · 43 km deep · 97 km away
  12. 2.016 km WSW of Dutch Harbor, Alaska · 2992 days ago · 5 km deep · 1 km away
  13. 1.635 km SW of Unalaska, Alaska · 2992 days ago · 11 km deep · 26 km away
  14. 1.790 km SW of Unalaska, Alaska · 2994 days ago · 83 km deep · 77 km away
  15. 2.055 km SW of Unalaska, Alaska · 2994 days ago · 16 km deep · 42 km away
  16. 2.344 km SE of Akutan, Alaska · 2997 days ago · 62 km deep · 97 km away
  17. 1.835 km WSW of Unalaska, Alaska · 2997 days ago · 5 km deep · 22 km away
  18. 1.938 km WSW of Dutch Harbor, Alaska · 2997 days ago · 7 km deep · 22 km away
  19. 2.138 km WSW of Unalaska, Alaska · 2997 days ago · 5 km deep · 22 km away
  20. 2.336 km WSW of Unalaska, Alaska · 2997 days ago · 6 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av61750621. Read Wed, Sep 30, 2026, 6:29 PM UTC.