Alaska earthquakes

M1.5 earthquake 146 km W of Adak, Alaska

A magnitude 1.5 earthquake struck 146 km W of Adak, Alaska on Sun, Jun 17, 2018, 12:04 PM HADT (21:04 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M6.5 108 km WSW of Adak, Alaska. This one was a foreshock.

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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
AV
Local time
UTC
2018-06-17 21:04:35 UTC
Depth
14.1 km (8.7 mi), shallow
Epicenter
51.658° N, 178.727° 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 4.5 km horizontally, 4.2 km in depth
Depth from
From location
Station coverage gap
333°, poorly surrounded by stations
Stations used
5

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.8111 km WSW of Adak, Alaska · 3028 days ago · 27 km deep · 42 km away
  2. 2.0128 km SW of Adak, Alaska · 3028 days ago · 34 km deep · 60 km away
  3. 1.9193 km WSW of Adak, Alaska · 3028 days ago · 13 km deep · 52 km away
  4. 1.9218 km WSW of Adak, Alaska · 3027 days ago · 15 km deep · 86 km away
  5. 1.887 km WSW of Adak, Alaska · 3027 days ago · 33 km deep · 70 km away
  6. 1.7126 km WSW of Adak, Alaska · 3027 days ago · 21 km deep · 21 km away
  7. 1.9127 km WSW of Adak, Alaska · 3027 days ago · 13 km deep · 22 km away
  8. 1.9226 km WSW of Adak, Alaska · 3027 days ago · 13 km deep · 89 km away
  9. 3.7189 km WSW of Adak, Alaska · 3026 days ago · 25 km deep · 49 km away
  10. 2.3123 km W of Adak, Alaska · 3026 days ago · 10 km deep · 23 km away
  11. 2.6131 km WSW of Adak, Alaska · 3026 days ago · 20 km deep · 17 km away
  12. 2.4183 km W of Adak, Alaska · 3026 days ago · 105 km deep · 45 km away
  13. 2.0187 km WSW of Adak, Alaska · 3026 days ago · 13 km deep · 48 km away
  14. 2.0128 km W of Adak, Alaska · 3025 days ago · 13 km deep · 18 km away
  15. 4.0222 km W of Adak, Alaska · 3025 days ago · 116 km deep · 79 km away
  16. 1.5127 km W of Adak, Alaska · 3025 days ago · 13 km deep · 19 km away
  17. 1.6126 km W of Adak, Alaska · 3025 days ago · 21 km deep · 24 km away
  18. 1.7168 km W of Adak, Alaska · 3025 days ago · 8 km deep · 25 km away
  19. 2.4168 km W of Adak, Alaska · 3025 days ago · 8 km deep · 25 km away
  20. 2.2206 km W of Adak, Alaska · 3025 days ago · 65 km deep · 60 km away
  21. 2.9117 km WSW of Adak, Alaska · 3024 days ago · 35 km deep · 40 km away
  22. 2.9141 km WSW of Adak, Alaska · 3024 days ago · 53 km deep · 41 km away
  23. 1.9131 km W of Adak, Alaska · 3024 days ago · 8 km deep · 15 km away
  24. 2.0193 km W of Adak, Alaska · 3024 days ago · 71 km deep · 47 km away
  25. 1.6119 km WSW of Adak, Alaska · 3024 days ago · 36 km deep · 44 km away
  26. 2.1123 km WSW of Adak, Alaska · 3023 days ago · 10 km deep · 24 km away
  27. 1.770 km W of Adak, Alaska · 3023 days ago · 83 km deep · 77 km away
  28. 1.6129 km W of Adak, Alaska · 3023 days ago · 15 km deep · 19 km away
  29. 2.3105 km WSW of Adak, Alaska · 3022 days ago · 13 km deep · 46 km away
  30. 1.685 km WSW of Adak, Alaska · 3021 days ago · 23 km deep · 68 km away
  31. 2.084 km WSW of Adak, Alaska · 3021 days ago · 43 km deep · 66 km away
  32. 2.5212 km W of Adak, Alaska · 3020 days ago · 190 km deep · 80 km away
  33. 1.8126 km WSW of Adak, Alaska · 3018 days ago · 12 km deep · 21 km away
  34. 2.1128 km W of Adak, Alaska · 3017 days ago · 12 km deep · 18 km away
  35. 2.1177 km W of Adak, Alaska · 3017 days ago · 92 km deep · 48 km away
  36. 2.1127 km WSW of Adak, Alaska · 3017 days ago · 39 km deep · 49 km away
  37. 2.7130 km WNW of Adak, Alaska · 3016 days ago · 186 km deep · 56 km away
  38. 2.0209 km W of Adak, Alaska · 3016 days ago · 134 km deep · 70 km away
  39. 1.7181 km W of Adak, Alaska · 3016 days ago · 82 km deep · 36 km away
  40. 1.6113 km WSW of Adak, Alaska · 3016 days ago · 37 km deep · 45 km away
  41. 1.9115 km WSW of Adak, Alaska · 3016 days ago · 29 km deep · 37 km away
  42. 1.6131 km W of Adak, Alaska · 3016 days ago · 10 km deep · 15 km away
  43. 1.9222 km WSW of Adak, Alaska · 3016 days ago · 36 km deep · 86 km away
  44. 2.5126 km WSW of Adak, Alaska · 3016 days ago · 10 km deep · 38 km away
  45. 3.3128 km WSW of Adak, Alaska · 3016 days ago · 3 km deep · 37 km away
  46. 1.8129 km WSW of Adak, Alaska · 3016 days ago · 51 km deep · 25 km away
  47. 4.2211 km WSW of Adak, Alaska · 3015 days ago · 21 km deep · 71 km away
  48. 2.8180 km WSW of Adak, Alaska · 3015 days ago · 32 km deep · 58 km away
  49. 2.3182 km WSW of Adak, Alaska · 3015 days ago · 26 km deep · 59 km away
  50. 2.0109 km WSW of Adak, Alaska · 3015 days ago · 13 km deep · 44 km away
  51. 3.4216 km W of Adak, Alaska · 3015 days ago · 147 km deep · 78 km away
  52. 1.6125 km WSW of Adak, Alaska · 3015 days ago · 20 km deep · 27 km away
  53. 2.3214 km WSW of Adak, Alaska · 3015 days ago · 11 km deep · 89 km away
  54. 1.8127 km WSW of Adak, Alaska · 3015 days ago · 15 km deep · 19 km away
  55. 2.8Andreanof Islands, Aleutian Islands, Alaska · 3014 days ago · 35 km deep · 56 km away
  56. 2.085 km SW of Adak, Alaska · 3014 days ago · 46 km deep · 87 km away
  57. 2.4125 km W of Adak, Alaska · 3013 days ago · 13 km deep · 21 km away
  58. 3.9133 km WSW of Adak, Alaska · 3013 days ago · 6 km deep · 36 km away
  59. 2.6114 km SW of Adak, Alaska · 3011 days ago · 35 km deep · 83 km away
  60. 2.0239 km WSW of Adak, Alaska · 3011 days ago · 15 km deep · 97 km away

The first 60 of at least 202.

Before

  1. 2.8Rat Islands, Aleutian Islands, Alaska · 3029 days ago · 197 km deep · 98 km away
  2. 2.5106 km SW of Adak, Alaska · 3029 days ago · 54 km deep · 71 km away
  3. 1.776 km WSW of Adak, Alaska · 3029 days ago · 41 km deep · 79 km away
  4. 2.0192 km WSW of Adak, Alaska · 3029 days ago · 26 km deep · 52 km away
  5. 2.972 km WSW of Adak, Alaska · 3029 days ago · 59 km deep · 85 km away
  6. 1.651 km W of Adak, Alaska · 3030 days ago · 13 km deep · 95 km away
  7. 1.9115 km WSW of Adak, Alaska · 3030 days ago · 15 km deep · 36 km away
  8. 1.651 km W of Adak, Alaska · 3031 days ago · 15 km deep · 96 km away
  9. 1.866 km SW of Adak, Alaska · 3031 days ago · 34 km deep · 100 km away
  10. 1.8169 km WSW of Adak, Alaska · 3032 days ago · 33 km deep · 23 km away
  11. 1.7107 km WSW of Adak, Alaska · 3032 days ago · 27 km deep · 39 km away
  12. 1.5135 km W of Adak, Alaska · 3032 days ago · 15 km deep · 12 km away
  13. 2.5218 km WSW of Adak, Alaska · 3032 days ago · 22 km deep · 82 km away
  14. 2.1222 km W of Adak, Alaska · 3032 days ago · 91 km deep · 77 km away
  15. 1.9105 km WSW of Adak, Alaska · 3033 days ago · 53 km deep · 66 km away
  16. 2.1115 km WSW of Adak, Alaska · 3033 days ago · 26 km deep · 45 km away
  17. 1.6128 km WSW of Adak, Alaska · 3033 days ago · 7 km deep · 24 km away
  18. 2.5114 km WSW of Adak, Alaska · 3034 days ago · 35 km deep · 38 km away
  19. 1.6123 km WSW of Adak, Alaska · 3034 days ago · 13 km deep · 24 km away
  20. 2.4123 km WSW of Adak, Alaska · 3034 days ago · 40 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av61728611. Read Fri, Oct 2, 2026, 1:00 AM UTC.