Alaska earthquakes

M3.0 earthquake 86 km SW of Adak, Alaska

A magnitude 3.0 earthquake struck 86 km SW of Adak, Alaska on Mon, Jun 12, 2023, 6:40 PM HADT (03:40 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.3 135 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-13 03:40:19 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.416° N, 177.647° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 3.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
204°, poorly surrounded by stations
Stations used
27

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 154 in the 30 days before it.

After

  1. 1.578 km SW of Adak, Alaska · 1209 days ago · 16 km deep · 9 km away
  2. 5.3135 km WSW of Adak, Alaska · 1209 days ago · 19 km deep · 61 km away · felt by 1 · tsunami flag
  3. 2.8136 km WSW of Adak, Alaska · 1209 days ago · 24 km deep · 59 km away
  4. 2.0131 km WSW of Adak, Alaska · 1209 days ago · 8 km deep · 58 km away
  5. 2.1133 km WSW of Adak, Alaska · 1209 days ago · 12 km deep · 57 km away
  6. 1.6134 km WSW of Adak, Alaska · 1209 days ago · 10 km deep · 59 km away
  7. 1.6132 km WSW of Adak, Alaska · 1209 days ago · 12 km deep · 56 km away
  8. 3.3134 km WSW of Adak, Alaska · 1209 days ago · 24 km deep · 54 km away
  9. 1.9134 km WSW of Adak, Alaska · 1209 days ago · 12 km deep · 60 km away
  10. 3.1136 km WSW of Adak, Alaska · 1209 days ago · 22 km deep · 59 km away
  11. 3.3138 km WSW of Adak, Alaska · 1209 days ago · 20 km deep · 59 km away
  12. 1.6130 km WSW of Adak, Alaska · 1209 days ago · 20 km deep · 57 km away
  13. 1.5130 km WSW of Adak, Alaska · 1209 days ago · 14 km deep · 55 km away
  14. 1.8136 km WSW of Adak, Alaska · 1209 days ago · 15 km deep · 60 km away
  15. 2.6136 km WSW of Adak, Alaska · 1209 days ago · 22 km deep · 58 km away
  16. 1.5136 km WSW of Adak, Alaska · 1209 days ago · 17 km deep · 61 km away
  17. 1.681 km SW of Adak, Alaska · 1209 days ago · 34 km deep · 5 km away
  18. 3.3135 km WSW of Adak, Alaska · 1209 days ago · 19 km deep · 56 km away
  19. 1.5134 km WSW of Adak, Alaska · 1208 days ago · 13 km deep · 59 km away
  20. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1208 days ago · 19 km deep · 61 km away
  21. 1.7125 km WSW of Adak, Alaska · 1208 days ago · 22 km deep · 42 km away
  22. 1.5149 km SW of Adak, Alaska · 1208 days ago · 19 km deep · 63 km away
  23. 3.075 km SSW of Adak, Alaska · 1208 days ago · 35 km deep · 33 km away
  24. 1.584 km SW of Adak, Alaska · 1208 days ago · 41 km deep · 3 km away
  25. 1.9120 km WSW of Adak, Alaska · 1208 days ago · 13 km deep · 42 km away
  26. 1.5131 km WSW of Adak, Alaska · 1208 days ago · 10 km deep · 58 km away
  27. 1.897 km W of Adak, Alaska · 1208 days ago · 4 km deep · 56 km away
  28. 1.9163 km WSW of Adak, Alaska · 1208 days ago · 39 km deep · 79 km away
  29. 1.9134 km WSW of Adak, Alaska · 1207 days ago · 12 km deep · 62 km away
  30. 2.6Andreanof Islands, Aleutian Islands, Alaska · 1207 days ago · 21 km deep · 52 km away
  31. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1207 days ago · 63 km deep · 16 km away
  32. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1207 days ago · 26 km deep · 23 km away
  33. 1.8135 km WSW of Adak, Alaska · 1207 days ago · 13 km deep · 60 km away
  34. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1206 days ago · 26 km deep · 47 km away
  35. 1.671 km SSW of Adak, Alaska · 1206 days ago · 29 km deep · 37 km away
  36. 3.162 km SSE of Adak, Alaska · 1206 days ago · 35 km deep · 84 km away
  37. 2.699 km WSW of Adak, Alaska · 1205 days ago · 35 km deep · 15 km away
  38. 1.775 km SW of Adak, Alaska · 1205 days ago · 25 km deep · 12 km away
  39. 1.941 km SSE of Adak, Alaska · 1205 days ago · 35 km deep · 89 km away
  40. 1.9107 km SW of Adak, Alaska · 1205 days ago · 25 km deep · 25 km away
  41. 1.786 km SW of Adak, Alaska · 1205 days ago · 40 km deep · 1 km away
  42. 2.0149 km W of Adak, Alaska · 1205 days ago · 120 km deep · 96 km away
  43. 1.9172 km WSW of Adak, Alaska · 1205 days ago · 16 km deep · 94 km away
  44. 1.7181 km WSW of Adak, Alaska · 1205 days ago · 44 km deep · 100 km away
  45. 2.8115 km WSW of Adak, Alaska · 1205 days ago · 35 km deep · 33 km away
  46. 1.646 km SW of Adak, Alaska · 1205 days ago · 28 km deep · 42 km away
  47. 1.769 km SSE of Adak, Alaska · 1205 days ago · 19 km deep · 96 km away
  48. 1.566 km SSE of Adak, Alaska · 1205 days ago · 13 km deep · 97 km away
  49. 1.662 km SSW of Adak, Alaska · 1205 days ago · 39 km deep · 47 km away
  50. 2.0108 km W of Adak, Alaska · 1204 days ago · 97 km deep · 61 km away
  51. 1.957 km WNW of Adak, Alaska · 1204 days ago · 121 km deep · 78 km away
  52. 1.9112 km WSW of Adak, Alaska · 1204 days ago · 24 km deep · 35 km away
  53. 3.094 km SW of Adak, Alaska · 1204 days ago · 57 km deep · 9 km away
  54. 1.796 km W of Adak, Alaska · 1203 days ago · -2 km deep · 54 km away
  55. 3.6122 km SW of Adak, Alaska · 1203 days ago · 35 km deep · 36 km away
  56. 1.996 km WSW of Adak, Alaska · 1203 days ago · 33 km deep · 21 km away
  57. 2.0106 km WSW of Adak, Alaska · 1202 days ago · 48 km deep · 21 km away
  58. 1.7137 km WSW of Adak, Alaska · 1202 days ago · 10 km deep · 53 km away
  59. 1.647 km S of Adak, Alaska · 1202 days ago · 26 km deep · 74 km away
  60. 1.626 km S of Adak, Alaska · 1202 days ago · 58 km deep · 73 km away

The first 60 of at least 200.

Before

  1. 3.4127 km WSW of Adak, Alaska · 1210 days ago · 10 km deep · 57 km away
  2. 1.555 km SSE of Adak, Alaska · 1210 days ago · 26 km deep · 82 km away
  3. 3.0Andreanof Islands, Aleutian Islands, Alaska · 1210 days ago · 10 km deep · 66 km away
  4. 2.18 km NE of Adak, Alaska · 1210 days ago · 31 km deep · 95 km away
  5. 1.5164 km WSW of Adak, Alaska · 1210 days ago · 11 km deep · 91 km away
  6. 3.6165 km WSW of Adak, Alaska · 1210 days ago · 29 km deep · 81 km away
  7. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1211 days ago · 7 km deep · 64 km away
  8. 2.1131 km SW of Adak, Alaska · 1211 days ago · 26 km deep · 45 km away
  9. 1.9108 km WSW of Adak, Alaska · 1211 days ago · 13 km deep · 32 km away
  10. 3.0101 km SW of Adak, Alaska · 1211 days ago · 35 km deep · 20 km away
  11. 2.545 km SSE of Adak, Alaska · 1211 days ago · 35 km deep · 86 km away
  12. 2.6114 km WSW of Adak, Alaska · 1212 days ago · 60 km deep · 35 km away
  13. 2.0155 km WSW of Adak, Alaska · 1212 days ago · 17 km deep · 81 km away
  14. 1.8101 km W of Adak, Alaska · 1212 days ago · 5 km deep · 58 km away
  15. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1212 days ago · 24 km deep · 30 km away
  16. 1.9118 km SW of Adak, Alaska · 1212 days ago · 16 km deep · 34 km away
  17. 3.2181 km WSW of Adak, Alaska · 1212 days ago · 31 km deep · 98 km away
  18. 1.7131 km WSW of Adak, Alaska · 1212 days ago · 24 km deep · 47 km away
  19. 1.7112 km WSW of Adak, Alaska · 1212 days ago · 24 km deep · 28 km away
  20. 1.7114 km WSW of Adak, Alaska · 1213 days ago · 36 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k9ns (also filed as ak0237ja5txk). Read Sun, Oct 4, 2026, 9:26 AM UTC.