Alaska earthquakes

M3.1 earthquake 70 km S of Unalaska, Alaska

A magnitude 3.1 earthquake struck 70 km S of Unalaska, Alaska on Fri, Jun 2, 2023, 7:39 PM AKDT (03:39 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.5 93 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
3.1 (ml), minor
Local time
UTC
2023-06-03 03:39:25 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
53.243° N, 166.530° 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 3.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
232°, poorly surrounded by stations
Stations used
18

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 103 in the 30 days before it.

After

  1. 2.086 km WSW of Unalaska, Alaska · 1214 days ago · 78 km deep · 85 km away
  2. 1.9111 km SSW of Unalaska, Alaska · 1214 days ago · 18 km deep · 53 km away
  3. 2.894 km SSE of Akutan, Alaska · 1213 days ago · 35 km deep · 73 km away
  4. 1.653 km SSE of Akutan, Alaska · 1213 days ago · 54 km deep · 79 km away
  5. 1.9Fox Islands, Aleutian Islands, Alaska · 1212 days ago · 58 km deep · 87 km away
  6. 3.8Fox Islands, Aleutian Islands, Alaska · 1211 days ago · 37 km deep · 43 km away
  7. 1.9117 km S of Unalaska, Alaska · 1211 days ago · 18 km deep · 48 km away
  8. 3.095 km SSW of Unalaska, Alaska · 1211 days ago · 35 km deep · 40 km away
  9. 2.070 km E of Nikolski, Alaska · 1211 days ago · 47 km deep · 95 km away
  10. 1.852 km S of Akutan, Alaska · 1211 days ago · 59 km deep · 66 km away
  11. 2.716 km SE of Unalaska, Alaska · 1209 days ago · 82 km deep · 61 km away
  12. 1.683 km SSE of Akutan, Alaska · 1209 days ago · 26 km deep · 94 km away
  13. 1.671 km SSE of Akutan, Alaska · 1208 days ago · 25 km deep · 75 km away
  14. 1.979 km SW of Unalaska, Alaska · 1208 days ago · 15 km deep · 49 km away
  15. 1.77 km SSW of Unalaska, Alaska · 1208 days ago · 95 km deep · 64 km away
  16. 2.690 km SSE of Akutan, Alaska · 1208 days ago · 35 km deep · 89 km away
  17. 1.686 km SSW of Unalaska, Alaska · 1208 days ago · 26 km deep · 27 km away
  18. 1.520 km ENE of Dutch Harbor, Alaska · 1207 days ago · 7 km deep · 81 km away
  19. 1.621 km ENE of Dutch Harbor, Alaska · 1207 days ago · 7 km deep · 81 km away
  20. 1.521 km ENE of Dutch Harbor, Alaska · 1207 days ago · 7 km deep · 81 km away
  21. 1.959 km SSE of Akutan, Alaska · 1207 days ago · 33 km deep · 83 km away
  22. 1.9156 km S of Unalaska, Alaska · 1207 days ago · 26 km deep · 86 km away
  23. 1.779 km E of Nikolski, Alaska · 1207 days ago · 46 km deep · 90 km away
  24. 2.524 km E of Unalaska, Alaska · 1206 days ago · 10 km deep · 78 km away
  25. 2.6Fox Islands, Aleutian Islands, Alaska · 1206 days ago · 35 km deep · 35 km away
  26. 2.1123 km ESE of Nikolski, Alaska · 1206 days ago · 14 km deep · 77 km away
  27. 1.620 km ENE of Dutch Harbor, Alaska · 1206 days ago · 12 km deep · 84 km away
  28. 1.793 km E of Nikolski, Alaska · 1205 days ago · 56 km deep · 69 km away
  29. 1.835 km ESE of Unalaska, Alaska · 1205 days ago · 72 km deep · 71 km away
  30. 1.65 km N of Dutch Harbor, Alaska · 1204 days ago · 11 km deep · 78 km away
  31. 2.550 km SW of Unalaska, Alaska · 1203 days ago · 12 km deep · 48 km away
  32. 2.787 km SSE of Akutan, Alaska · 1201 days ago · 35 km deep · 98 km away
  33. 1.9Fox Islands, Aleutian Islands, Alaska · 1200 days ago · 80 km deep · 58 km away
  34. 2.9118 km ESE of Nikolski, Alaska · 1200 days ago · 35 km deep · 84 km away
  35. 1.871 km SE of Unalaska, Alaska · 1200 days ago · 22 km deep · 58 km away
  36. 2.176 km S of Unalaska, Alaska · 1199 days ago · 27 km deep · 10 km away
  37. 1.7Fox Islands, Aleutian Islands, Alaska · 1199 days ago · 25 km deep · 64 km away
  38. 3.3107 km SSW of Unalaska, Alaska · 1198 days ago · 35 km deep · 43 km away
  39. 1.922 km ENE of Dutch Harbor, Alaska · 1198 days ago · 88 km deep · 83 km away
  40. 1.583 km WSW of Dutch Harbor, Alaska · 1197 days ago · 41 km deep · 96 km away
  41. 2.1101 km SSE of Akutan, Alaska · 1197 days ago · 16 km deep · 100 km away
  42. 1.578 km SSW of Unalaska, Alaska · 1197 days ago · 37 km deep · 24 km away
  43. 1.549 km SW of Unalaska, Alaska · 1196 days ago · 19 km deep · 52 km away
  44. 3.5113 km S of Unalaska, Alaska · 1196 days ago · 11 km deep · 46 km away
  45. 1.697 km E of Nikolski, Alaska · 1196 days ago · 51 km deep · 68 km away
  46. 1.9127 km SE of Unalaska, Alaska · 1195 days ago · 32 km deep · 83 km away
  47. 1.6Fox Islands, Aleutian Islands, Alaska · 1195 days ago · 10 km deep · 55 km away
  48. 2.179 km SW of Unalaska, Alaska · 1195 days ago · 13 km deep · 55 km away
  49. 1.6Fox Islands, Aleutian Islands, Alaska · 1194 days ago · 29 km deep · 80 km away
  50. 2.581 km ENE of Nikolski, Alaska · 1194 days ago · 10 km deep · 82 km away
  51. 2.271 km S of Unalaska, Alaska · 1194 days ago · 40 km deep · 11 km away
  52. 2.7131 km S of Unalaska, Alaska · 1193 days ago · 3 km deep · 61 km away
  53. 2.0132 km S of Unalaska, Alaska · 1193 days ago · 5 km deep · 63 km away
  54. 1.861 km SE of Unalaska, Alaska · 1193 days ago · 35 km deep · 44 km away
  55. 2.790 km NE of Nikolski, Alaska · 1192 days ago · 102 km deep · 93 km away
  56. 1.577 km E of Nikolski, Alaska · 1192 days ago · 37 km deep · 87 km away
  57. 1.576 km WSW of Unalaska, Alaska · 1191 days ago · 26 km deep · 81 km away
  58. 1.956 km SE of Unalaska, Alaska · 1191 days ago · 51 km deep · 51 km away
  59. 2.182 km SSW of Unalaska, Alaska · 1190 days ago · 26 km deep · 22 km away
  60. 2.484 km SSW of Unalaska, Alaska · 1190 days ago · 22 km deep · 25 km away

The first 60 of 173.

Before

  1. 2.153 km WSW of Unalaska, Alaska · 1216 days ago · 125 km deep · 75 km away
  2. 2.051 km SW of Unalaska, Alaska · 1216 days ago · 121 km deep · 58 km away
  3. 1.784 km SSW of Unalaska, Alaska · 1216 days ago · 26 km deep · 24 km away
  4. 2.873 km SE of Unalaska, Alaska · 1217 days ago · 35 km deep · 63 km away
  5. 2.276 km SE of Unalaska, Alaska · 1217 days ago · 21 km deep · 47 km away
  6. 1.957 km SSE of Unalaska, Alaska · 1218 days ago · 36 km deep · 36 km away
  7. 2.238 km SSE of Akutan, Alaska · 1218 days ago · 60 km deep · 96 km away
  8. 1.796 km SW of Unalaska, Alaska · 1219 days ago · 51 km deep · 56 km away
  9. 1.972 km WSW of Unalaska, Alaska · 1219 days ago · 13 km deep · 72 km away
  10. 2.857 km SE of Unalaska, Alaska · 1220 days ago · 35 km deep · 45 km away
  11. 2.371 km S of Unalaska, Alaska · 1222 days ago · 38 km deep · 13 km away
  12. 2.516 km ESE of Unalaska, Alaska · 1222 days ago · 85 km deep · 65 km away
  13. 2.777 km SW of Unalaska, Alaska · 1222 days ago · 23 km deep · 56 km away
  14. 1.92 km ESE of Unalaska, Alaska · 1222 days ago · 7 km deep · 69 km away
  15. 2.2127 km S of Unalaska, Alaska · 1223 days ago · 25 km deep · 58 km away
  16. 3.0Fox Islands, Aleutian Islands, Alaska · 1223 days ago · 73 km deep · 75 km away
  17. 2.823 km ENE of Dutch Harbor, Alaska · 1224 days ago · 73 km deep · 81 km away
  18. 2.690 km SSW of Unalaska, Alaska · 1225 days ago · 35 km deep · 29 km away
  19. 1.972 km E of Nikolski, Alaska · 1225 days ago · 38 km deep · 89 km away
  20. 1.778 km SSW of Unalaska, Alaska · 1225 days ago · 45 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k718 (also filed as ak02372qs5v9). Read Tue, Sep 29, 2026, 12:31 PM UTC.