Alaska earthquakes

M1.8 earthquake 75 km WNW of Karluk, Alaska

A magnitude 1.8 earthquake struck 75 km WNW of Karluk, Alaska on Sun, Jul 29, 2018, 5:30 PM AKDT (01:30 UTC), 91 km (56 mi) below the surface.

A larger quake followed: M3.4 92 km WSW of Karluk, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-07-30 01:30:55 UTC
Depth
90.6 km (56.3 mi), intermediate-depth
Epicenter
57.934° N, 155.530° 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
1.8ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.8ML, local (Richter)AACSEPreliminary

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: 92 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 1.662 km WNW of Karluk, Alaska · 2988 days ago · 85 km deep · 14 km away
  2. 2.3Alaska Peninsula · 2987 days ago · 157 km deep · 76 km away
  3. 1.540 km W of Karluk, Alaska · 2987 days ago · 78 km deep · 48 km away
  4. 1.785 km NW of Karluk, Alaska · 2987 days ago · 1 km deep · 29 km away
  5. 1.769 km ENE of Ugashik, Alaska · 2987 days ago · 121 km deep · 51 km away
  6. 2.189 km ESE of Egegik, Alaska · 2986 days ago · 12 km deep · 24 km away
  7. 1.667 km NNW of Karluk, Alaska · 2986 days ago · 83 km deep · 46 km away
  8. 2.050 km SSE of King Salmon, Alaska · 2985 days ago · 158 km deep · 59 km away
  9. 2.778 km NW of Karluk, Alaska · 2983 days ago · 8 km deep · 7 km away
  10. 1.658 km ESE of Egegik, Alaska · 2982 days ago · 138 km deep · 59 km away
  11. 1.586 km NW of Karluk, Alaska · 2982 days ago · 116 km deep · 14 km away
  12. 1.663 km W of Karluk, Alaska · 2982 days ago · 86 km deep · 44 km away
  13. 2.141 km WNW of Karluk, Alaska · 2981 days ago · 73 km deep · 34 km away
  14. 1.547 km SE of Egegik, Alaska · 2980 days ago · 10 km deep · 76 km away
  15. 1.948 km SW of Karluk, Alaska · 2980 days ago · 55 km deep · 77 km away
  16. 1.68 km WNW of Karluk, Alaska · 2979 days ago · 50 km deep · 67 km away
  17. 1.985 km NW of Karluk, Alaska · 2977 days ago · 5 km deep · 28 km away
  18. 1.659 km WNW of Akhiok, Alaska · 2976 days ago · 67 km deep · 96 km away
  19. 2.662 km ENE of Ugashik, Alaska · 2974 days ago · 128 km deep · 58 km away
  20. 1.997 km W of Akhiok, Alaska · 2973 days ago · 46 km deep · 99 km away
  21. 3.492 km WSW of Karluk, Alaska · 2972 days ago · 56 km deep · 90 km away
  22. 1.694 km S of Kokhanok, Alaska · 2972 days ago · 127 km deep · 80 km away
  23. 1.622 km W of Karluk, Alaska · 2972 days ago · 75 km deep · 57 km away
  24. 1.688 km NNW of Karluk, Alaska · 2972 days ago · 2 km deep · 52 km away
  25. 2.183 km W of Karluk, Alaska · 2969 days ago · 77 km deep · 55 km away
  26. 1.766 km WSW of Karluk, Alaska · 2968 days ago · 61 km deep · 72 km away
  27. 2.768 km ENE of Ugashik, Alaska · 2967 days ago · 128 km deep · 52 km away · felt by 9
  28. 2.082 km NW of Karluk, Alaska · 2966 days ago · 3 km deep · 29 km away
  29. 1.649 km WNW of Karluk, Alaska · 2965 days ago · 61 km deep · 28 km away
  30. 2.760 km SE of King Salmon, Alaska · 2965 days ago · 155 km deep · 47 km away
  31. 1.979 km ENE of Ugashik, Alaska · 2964 days ago · 122 km deep · 41 km away
  32. 1.884 km NNW of Karluk, Alaska · 2963 days ago · 9 km deep · 53 km away
  33. 1.682 km S of Kokhanok, Alaska · 2963 days ago · 124 km deep · 92 km away
  34. 1.862 km ESE of Egegik, Alaska · 2963 days ago · 149 km deep · 56 km away
  35. 1.682 km ESE of Ugashik, Alaska · 2962 days ago · 78 km deep · 88 km away
  36. 1.8Kodiak Island region, Alaska · 2961 days ago · 42 km deep · 71 km away
  37. 1.691 km ESE of Egegik, Alaska · 2959 days ago · 10 km deep · 23 km away
  38. 1.870 km WNW of Aleneva, Alaska · 2957 days ago · 82 km deep · 90 km away
  39. 2.567 km SE of King Salmon, Alaska · 2957 days ago · 147 km deep · 40 km away
  40. 2.155 km ENE of Ugashik, Alaska · 2957 days ago · 127 km deep · 65 km away
  41. 2.754 km SE of King Salmon, Alaska · 2957 days ago · 156 km deep · 56 km away
  42. 2.253 km WNW of Akhiok, Alaska · 2954 days ago · 47 km deep · 95 km away
  43. 1.981 km NNW of Karluk, Alaska · 2954 days ago · 100 km deep · 42 km away
  44. 1.986 km ESE of Ugashik, Alaska · 2953 days ago · 72 km deep · 98 km away
  45. 2.040 km SW of Karluk, Alaska · 2952 days ago · 63 km deep · 75 km away
  46. 1.530 km WNW of Karluk, Alaska · 2952 days ago · 72 km deep · 46 km away
  47. 2.178 km SE of Igiugig, Alaska · 2951 days ago · 145 km deep · 93 km away
  48. 3.156 km ENE of Ugashik, Alaska · 2951 days ago · 132 km deep · 65 km away
  49. 1.753 km E of Ugashik, Alaska · 2951 days ago · 110 km deep · 75 km away
  50. 2.368 km SE of King Salmon, Alaska · 2950 days ago · 151 km deep · 39 km away
  51. 1.622 km WSW of Karluk, Alaska · 2950 days ago · 28 km deep · 62 km away
  52. 1.589 km ESE of King Salmon, Alaska · 2950 days ago · 122 km deep · 63 km away
  53. 1.871 km SW of Karluk, Alaska · 2950 days ago · 69 km deep · 88 km away
  54. 1.954 km ENE of Ugashik, Alaska · 2950 days ago · 134 km deep · 66 km away
  55. 1.714 km N of Karluk, Alaska · 2949 days ago · 62 km deep · 67 km away
  56. 1.536 km WSW of Karluk, Alaska · 2949 days ago · 54 km deep · 69 km away
  57. 1.5Kodiak Island region, Alaska · 2948 days ago · 50 km deep · 58 km away
  58. 1.653 km NNW of Karluk, Alaska · 2948 days ago · 77 km deep · 42 km away
  59. 2.172 km WSW of Karluk, Alaska · 2947 days ago · 57 km deep · 76 km away
  60. 1.551 km WNW of Karluk, Alaska · 2947 days ago · 80 km deep · 25 km away

The first 60 of 92.

Before

  1. 1.646 km NW of Karluk, Alaska · 2989 days ago · 79 km deep · 33 km away
  2. 1.972 km ESE of Egegik, Alaska · 2989 days ago · 129 km deep · 44 km away
  3. 4.272 km WSW of Karluk, Alaska · 2989 days ago · 71 km deep · 76 km away · felt by 1
  4. 2.057 km ESE of King Salmon, Alaska · 2989 days ago · 154 km deep · 59 km away
  5. 1.776 km WNW of Karluk, Alaska · 2990 days ago · 5 km deep · 14 km away
  6. 1.979 km ESE of Ugashik, Alaska · 2990 days ago · 76 km deep · 90 km away
  7. 3.070 km N of Larsen Bay, Alaska · 2991 days ago · 74 km deep · 89 km away
  8. 1.661 km NNW of Karluk, Alaska · 2991 days ago · 7 km deep · 53 km away
  9. 2.262 km N of Karluk, Alaska · 2991 days ago · 11 km deep · 55 km away
  10. 2.327 km SSE of King Salmon, Alaska · 2991 days ago · 195 km deep · 80 km away
  11. 2.071 km WNW of Karluk, Alaska · 2991 days ago · 88 km deep · 22 km away
  12. 1.569 km WNW of Aleneva, Alaska · 2991 days ago · 78 km deep · 92 km away
  13. 1.792 km N of Karluk, Alaska · 2991 days ago · 3 km deep · 80 km away
  14. 1.540 km SSW of Karluk, Alaska · 2993 days ago · 48 km deep · 93 km away
  15. 1.663 km N of Karluk, Alaska · 2993 days ago · 87 km deep · 65 km away
  16. 1.554 km NNE of Karluk, Alaska · 2994 days ago · 67 km deep · 82 km away
  17. 1.550 km W of Karluk, Alaska · 2994 days ago · 63 km deep · 52 km away
  18. 1.869 km N of Larsen Bay, Alaska · 2995 days ago · 66 km deep · 89 km away
  19. 3.059 km SW of Karluk, Alaska · 2995 days ago · 54 km deep · 79 km away
  20. 1.858 km NNW of Karluk, Alaska · 2996 days ago · 97 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0189oz67kz (also filed as ak20016103, aacse0189oz67kz). Read Sun, Oct 4, 2026, 10:40 PM UTC.