Alaska earthquakes

M3.6 earthquake 245 km W of Adak, Alaska

A magnitude 3.6 earthquake struck 245 km W of Adak, Alaska on Thu, Jun 15, 2023, 12:38 PM GMT+12 (00:38 UTC), 96 km (59 mi) below the surface.

A larger quake followed: M4.3 289 km W 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
3.6 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-15 00:38:07 UTC
Depth
95.7 km (59.5 mi), intermediate-depth
Epicenter
51.629° N, 179.836° E
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
3.6mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.223 · 5 stations
3.3ML, 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 5.5 km horizontally, 4.9 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
138°
Stations used
32

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 82 in the 30 days before it.

After

  1. 3.7225 km W of Adak, Alaska · 1208 days ago · 129 km deep · 34 km away
  2. 2.0Rat Islands, Aleutian Islands, Alaska · 1207 days ago · 86 km deep · 84 km away
  3. 1.9Rat Islands, Aleutian Islands, Alaska · 1207 days ago · 20 km deep · 87 km away
  4. 1.6221 km WSW of Adak, Alaska · 1207 days ago · 13 km deep · 45 km away
  5. 2.1182 km W of Adak, Alaska · 1206 days ago · 97 km deep · 64 km away
  6. 1.6Rat Islands, Aleutian Islands, Alaska · 1206 days ago · 66 km deep · 70 km away
  7. 2.1229 km W of Adak, Alaska · 1206 days ago · 157 km deep · 47 km away
  8. 1.7292 km WSW of Adak, Alaska · 1206 days ago · 43 km deep · 52 km away
  9. 2.8221 km WSW of Adak, Alaska · 1206 days ago · 35 km deep · 48 km away
  10. 3.5193 km WSW of Adak, Alaska · 1206 days ago · 35 km deep · 92 km away
  11. 3.1189 km WSW of Adak, Alaska · 1206 days ago · 74 km deep · 61 km away
  12. 2.0149 km W of Adak, Alaska · 1206 days ago · 120 km deep · 99 km away
  13. 1.9172 km WSW of Adak, Alaska · 1206 days ago · 16 km deep · 84 km away
  14. 1.7181 km WSW of Adak, Alaska · 1205 days ago · 44 km deep · 86 km away
  15. 1.8226 km WSW of Adak, Alaska · 1205 days ago · 23 km deep · 34 km away
  16. 1.8225 km W of Adak, Alaska · 1205 days ago · 14 km deep · 23 km away
  17. 1.8255 km WSW of Adak, Alaska · 1205 days ago · 5 km deep · 27 km away
  18. 2.0Rat Islands, Aleutian Islands, Alaska · 1204 days ago · 17 km deep · 30 km away
  19. 2.7Rat Islands, Aleutian Islands, Alaska · 1203 days ago · 113 km deep · 95 km away
  20. 3.5231 km W of Adak, Alaska · 1202 days ago · 107 km deep · 23 km away
  21. 3.3259 km WSW of Adak, Alaska · 1202 days ago · 31 km deep · 23 km away
  22. 2.5265 km WSW of Adak, Alaska · 1202 days ago · 25 km deep · 31 km away
  23. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1201 days ago · 11 km deep · 20 km away
  24. 2.5194 km WSW of Adak, Alaska · 1201 days ago · 30 km deep · 73 km away
  25. 3.5261 km WSW of Adak, Alaska · 1201 days ago · 32 km deep · 58 km away
  26. 3.9Andreanof Islands, Aleutian Islands, Alaska · 1200 days ago · 102 km deep · 93 km away
  27. 3.1Rat Islands, Aleutian Islands, Alaska · 1199 days ago · 90 km deep · 80 km away
  28. 2.6231 km WSW of Adak, Alaska · 1198 days ago · 10 km deep · 73 km away
  29. 2.0Rat Islands, Aleutian Islands, Alaska · 1197 days ago · 79 km deep · 60 km away
  30. 1.8Rat Islands, Aleutian Islands, Alaska · 1197 days ago · 86 km deep · 90 km away
  31. 1.7240 km WSW of Adak, Alaska · 1197 days ago · 13 km deep · 54 km away
  32. 1.9224 km WSW of Adak, Alaska · 1196 days ago · 58 km deep · 28 km away
  33. 1.9197 km WSW of Adak, Alaska · 1196 days ago · 35 km deep · 68 km away
  34. 2.0292 km WSW of Adak, Alaska · 1196 days ago · 19 km deep · 69 km away
  35. 1.7Rat Islands, Aleutian Islands, Alaska · 1196 days ago · 53 km deep · 57 km away
  36. 1.8224 km W of Adak, Alaska · 1196 days ago · 72 km deep · 21 km away
  37. 2.0Rat Islands, Aleutian Islands, Alaska · 1196 days ago · 13 km deep · 88 km away
  38. 3.3191 km WSW of Adak, Alaska · 1195 days ago · 26 km deep · 95 km away
  39. 2.8252 km W of Adak, Alaska · 1195 days ago · 196 km deep · 33 km away
  40. 1.6258 km W of Adak, Alaska · 1194 days ago · 10 km deep · 31 km away
  41. 3.5260 km WSW of Adak, Alaska · 1194 days ago · 65 km deep · 23 km away
  42. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1194 days ago · 19 km deep · 64 km away
  43. 2.1211 km W of Adak, Alaska · 1194 days ago · 86 km deep · 35 km away
  44. 2.3255 km W of Adak, Alaska · 1193 days ago · 67 km deep · 14 km away
  45. 3.0199 km WSW of Adak, Alaska · 1193 days ago · 35 km deep · 76 km away
  46. 2.2183 km WSW of Adak, Alaska · 1193 days ago · 22 km deep · 80 km away
  47. 2.9172 km W of Adak, Alaska · 1193 days ago · 131 km deep · 76 km away
  48. 3.7283 km WSW of Adak, Alaska · 1193 days ago · 35 km deep · 68 km away
  49. 1.9170 km WSW of Adak, Alaska · 1193 days ago · 27 km deep · 97 km away
  50. 2.5221 km W of Adak, Alaska · 1191 days ago · 88 km deep · 24 km away
  51. 2.9Rat Islands, Aleutian Islands, Alaska · 1191 days ago · 35 km deep · 71 km away
  52. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1191 days ago · 10 km deep · 78 km away
  53. 1.7237 km WSW of Adak, Alaska · 1191 days ago · 16 km deep · 39 km away
  54. 1.7Rat Islands, Aleutian Islands, Alaska · 1191 days ago · 59 km deep · 70 km away
  55. 1.9Rat Islands, Aleutian Islands, Alaska · 1190 days ago · 98 km deep · 95 km away
  56. 1.8256 km W of Adak, Alaska · 1190 days ago · 62 km deep · 14 km away
  57. 2.0240 km WSW of Adak, Alaska · 1190 days ago · 13 km deep · 59 km away
  58. 1.6207 km W of Adak, Alaska · 1190 days ago · 14 km deep · 39 km away
  59. 2.0176 km W of Adak, Alaska · 1190 days ago · 106 km deep · 72 km away
  60. 2.2Andreanof Islands, Aleutian Islands, Alaska · 1189 days ago · 19 km deep · 83 km away

The first 60 of at least 199.

Before

  1. 2.9Rat Islands, Aleutian Islands, Alaska · 1208 days ago · 28 km deep · 76 km away
  2. 2.0Rat Islands, Aleutian Islands, Alaska · 1208 days ago · 62 km deep · 75 km away
  3. 2.9Rat Islands, Aleutian Islands, Alaska · 1208 days ago · 182 km deep · 95 km away
  4. 1.5Rat Islands, Aleutian Islands, Alaska · 1209 days ago · 69 km deep · 76 km away
  5. 2.7266 km WSW of Adak, Alaska · 1209 days ago · 35 km deep · 41 km away
  6. 1.9229 km W of Adak, Alaska · 1209 days ago · 72 km deep · 19 km away
  7. 1.5Rat Islands, Aleutian Islands, Alaska · 1209 days ago · 66 km deep · 76 km away
  8. 2.0228 km W of Adak, Alaska · 1209 days ago · 169 km deep · 50 km away
  9. 2.0233 km W of Adak, Alaska · 1210 days ago · 71 km deep · 16 km away
  10. 3.2255 km WSW of Adak, Alaska · 1210 days ago · 50 km deep · 31 km away
  11. 3.3Rat Islands, Aleutian Islands, Alaska · 1210 days ago · 26 km deep · 55 km away
  12. 1.6Rat Islands, Aleutian Islands, Alaska · 1210 days ago · 81 km deep · 77 km away
  13. 1.6183 km WSW of Adak, Alaska · 1210 days ago · 24 km deep · 79 km away
  14. 2.6187 km WSW of Adak, Alaska · 1210 days ago · 28 km deep · 80 km away
  15. 2.0256 km W of Adak, Alaska · 1210 days ago · 179 km deep · 45 km away
  16. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1211 days ago · 11 km deep · 85 km away
  17. 1.9265 km W of Adak, Alaska · 1211 days ago · 152 km deep · 34 km away
  18. 1.8180 km W of Adak, Alaska · 1211 days ago · 65 km deep · 66 km away
  19. 1.5164 km WSW of Adak, Alaska · 1211 days ago · 11 km deep · 85 km away
  20. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1211 days ago · 94 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k9mg (also filed as ak0237mjfrt2). Read Sun, Oct 4, 2026, 9:52 PM UTC.