Alaska earthquakes

M1.5 earthquake 2 km SW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 2 km SW of Unalaska, Alaska on Sun, Jul 29, 2018, 9:32 AM AKDT (17:32 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.1 79 km S 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
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-07-29 17:32:16 UTC
Depth
10.8 km (6.7 mi), shallow
Epicenter
53.862° N, 166.565° 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
1.5ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.24ML, local (Richter)AVFinal · ±0.27 · 8 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: 95 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 1.714 km WSW of Akutan, Alaska · 2984 days ago · 14 km deep · 45 km away
  2. 1.862 km SSE of Akutan, Alaska · 2983 days ago · 44 km deep · 76 km away
  3. 2.682 km S of Unalaska, Alaska · 2980 days ago · 26 km deep · 80 km away
  4. 2.052 km SW of Unalaska, Alaska · 2980 days ago · 67 km deep · 50 km away
  5. 2.291 km SE of Unalaska, Alaska · 2980 days ago · 10 km deep · 92 km away
  6. 2.636 km ESE of Unalaska, Alaska · 2979 days ago · 64 km deep · 37 km away
  7. 1.691 km SSW of Unalaska, Alaska · 2979 days ago · 47 km deep · 89 km away
  8. 2.43 km E of Unalaska, Alaska · 2979 days ago · 10 km deep · 6 km away
  9. 1.868 km SSW of Unalaska, Alaska · 2979 days ago · 64 km deep · 67 km away
  10. 2.053 km SE of Akutan, Alaska · 2978 days ago · 46 km deep · 94 km away
  11. 2.07 km NNE of Dutch Harbor, Alaska · 2978 days ago · 129 km deep · 11 km away
  12. 2.259 km SE of Akutan, Alaska · 2978 days ago · 26 km deep · 91 km away
  13. 2.16 km NE of Akutan, Alaska · 2977 days ago · 99 km deep · 66 km away
  14. 1.63 km SE of Unalaska, Alaska · 2977 days ago · 12 km deep · 5 km away
  15. 2.073 km SSW of Unalaska, Alaska · 2977 days ago · 82 km deep · 71 km away
  16. 1.991 km SSE of Unalaska, Alaska · 2975 days ago · 13 km deep · 91 km away
  17. 1.569 km SE of Unalaska, Alaska · 2975 days ago · 21 km deep · 70 km away
  18. 2.576 km S of Akutan, Alaska · 2975 days ago · 24 km deep · 78 km away
  19. 1.539 km WSW of Dutch Harbor, Alaska · 2973 days ago · 5 km deep · 37 km away
  20. 1.936 km WNW of Dutch Harbor, Alaska · 2970 days ago · 13 km deep · 36 km away
  21. 2.762 km SSW of Unalaska, Alaska · 2969 days ago · 57 km deep · 61 km away
  22. 1.63 km ESE of Akutan, Alaska · 2968 days ago · 107 km deep · 62 km away
  23. 1.891 km SSW of Unalaska, Alaska · 2968 days ago · 30 km deep · 89 km away
  24. 1.972 km SSE of Akutan, Alaska · 2964 days ago · 26 km deep · 85 km away
  25. 2.593 km SSW of Unalaska, Alaska · 2963 days ago · 29 km deep · 91 km away
  26. 2.156 km SE of Akutan, Alaska · 2963 days ago · 56 km deep · 93 km away
  27. 2.067 km SSW of Unalaska, Alaska · 2963 days ago · 46 km deep · 66 km away
  28. 2.334 km S of Akutan, Alaska · 2962 days ago · 51 km deep · 47 km away
  29. 2.173 km SE of Unalaska, Alaska · 2962 days ago · 16 km deep · 74 km away
  30. 1.953 km SSE of Akutan, Alaska · 2961 days ago · 43 km deep · 82 km away
  31. 2.354 km SE of Unalaska, Alaska · 2961 days ago · 52 km deep · 55 km away
  32. 1.553 km SW of Unalaska, Alaska · 2960 days ago · 13 km deep · 51 km away
  33. 2.319 km SE of Unalaska, Alaska · 2960 days ago · 75 km deep · 20 km away
  34. 4.179 km S of Unalaska, Alaska · 2960 days ago · 39 km deep · 78 km away
  35. 3.082 km SSW of Unalaska, Alaska · 2960 days ago · 26 km deep · 81 km away
  36. 2.289 km SSW of Unalaska, Alaska · 2960 days ago · 26 km deep · 88 km away
  37. 2.073 km WSW of Unalaska, Alaska · 2959 days ago · 13 km deep · 70 km away
  38. 1.812 km S of Akutan, Alaska · 2959 days ago · 107 km deep · 53 km away
  39. 1.753 km SSE of Akutan, Alaska · 2959 days ago · 40 km deep · 81 km away
  40. 2.944 km SE of Unalaska, Alaska · 2958 days ago · 49 km deep · 45 km away
  41. 2.395 km SSW of Unalaska, Alaska · 2958 days ago · 26 km deep · 93 km away
  42. 1.835 km SE of Akutan, Alaska · 2957 days ago · 68 km deep · 80 km away
  43. 1.967 km WSW of Dutch Harbor, Alaska · 2957 days ago · 97 km deep · 66 km away
  44. 1.638 km SE of Akutan, Alaska · 2957 days ago · 69 km deep · 82 km away
  45. 2.144 km S of Unalaska, Alaska · 2957 days ago · 58 km deep · 43 km away
  46. 2.535 km SE of Unalaska, Alaska · 2956 days ago · 72 km deep · 36 km away
  47. 2.075 km SW of Unalaska, Alaska · 2956 days ago · 26 km deep · 73 km away
  48. 2.179 km S of Unalaska, Alaska · 2956 days ago · 22 km deep · 78 km away
  49. 1.950 km S of Akutan, Alaska · 2955 days ago · 75 km deep · 61 km away
  50. 2.673 km S of Unalaska, Alaska · 2954 days ago · 35 km deep · 72 km away
  51. 1.565 km SSE of Akutan, Alaska · 2952 days ago · 51 km deep · 86 km away
  52. 1.846 km SW of Unalaska, Alaska · 2952 days ago · 16 km deep · 44 km away
  53. 2.649 km WNW of Dutch Harbor, Alaska · 2951 days ago · 179 km deep · 50 km away
  54. 1.686 km SSW of Unalaska, Alaska · 2951 days ago · 43 km deep · 84 km away
  55. 2.157 km SSE of Akutan, Alaska · 2949 days ago · 46 km deep · 75 km away
  56. 1.662 km SE of Unalaska, Alaska · 2949 days ago · 42 km deep · 63 km away
  57. 3.059 km ESE of Unalaska, Alaska · 2948 days ago · 56 km deep · 60 km away
  58. 1.678 km SE of Unalaska, Alaska · 2947 days ago · 21 km deep · 79 km away
  59. 1.758 km SE of Akutan, Alaska · 2946 days ago · 49 km deep · 94 km away
  60. 1.778 km SW of Unalaska, Alaska · 2946 days ago · 25 km deep · 76 km away

The first 60 of 95.

Before

  1. 2.468 km SSW of Unalaska, Alaska · 2987 days ago · 38 km deep · 67 km away
  2. 2.369 km SE of Unalaska, Alaska · 2987 days ago · 13 km deep · 70 km away
  3. 1.774 km SSE of Akutan, Alaska · 2988 days ago · 13 km deep · 83 km away
  4. 1.782 km SW of Unalaska, Alaska · 2988 days ago · 13 km deep · 80 km away
  5. 2.237 km SSW of Unalaska, Alaska · 2989 days ago · 66 km deep · 36 km away
  6. 1.617 km W of Dutch Harbor, Alaska · 2991 days ago · 8 km deep · 16 km away
  7. 1.817 km W of Dutch Harbor, Alaska · 2991 days ago · 8 km deep · 16 km away
  8. 1.617 km WSW of Dutch Harbor, Alaska · 2991 days ago · 5 km deep · 15 km away
  9. 1.817 km WSW of Dutch Harbor, Alaska · 2991 days ago · 9 km deep · 15 km away
  10. 2.017 km WSW of Dutch Harbor, Alaska · 2991 days ago · 7 km deep · 16 km away
  11. 1.716 km WSW of Dutch Harbor, Alaska · 2991 days ago · 6 km deep · 14 km away
  12. 2.284 km SSW of Unalaska, Alaska · 2992 days ago · 40 km deep · 82 km away
  13. 1.915 km WSW of Dutch Harbor, Alaska · 2993 days ago · 5 km deep · 14 km away
  14. 2.243 km E of Akutan, Alaska · 2993 days ago · 72 km deep · 97 km away
  15. 2.621 km SSE of Akutan, Alaska · 2993 days ago · 118 km deep · 63 km away
  16. 1.542 km ESE of Unalaska, Alaska · 2993 days ago · 35 km deep · 44 km away
  17. 2.035 km SW of Unalaska, Alaska · 2993 days ago · 15 km deep · 33 km away
  18. 1.635 km SW of Unalaska, Alaska · 2994 days ago · 16 km deep · 33 km away
  19. 2.155 km SSE of Akutan, Alaska · 2994 days ago · 43 km deep · 82 km away
  20. 2.016 km WSW of Dutch Harbor, Alaska · 2994 days ago · 5 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0189nl657i (also filed as ak19984290, av70797584). Read Fri, Oct 2, 2026, 6:34 AM UTC.