Alaska earthquakes

M3.1 earthquake 92 km SW of Unalaska, Alaska

A magnitude 3.1 earthquake struck 92 km SW of Unalaska, Alaska on Thu, Sep 14, 2023, 6:55 AM AKDT (14:55 UTC), 66 km (41 mi) below the surface.

A larger quake followed: M4.3 96 km S of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
2023-09-14 14:55:15 UTC
Depth
66.0 km (41.0 mi), shallow
Epicenter
53.284° N, 167.511° 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 10.8 km horizontally, 14.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
188°, 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: at least 199 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 1.978 km SSW of Unalaska, Alaska · 1111 days ago · 52 km deep · 29 km away
  2. 2.250 km SE of Nikolski, Alaska · 1111 days ago · 21 km deep · 95 km away
  3. 2.626 km SSE of Nikolski, Alaska · 1110 days ago · 43 km deep · 99 km away
  4. 1.874 km WSW of Unalaska, Alaska · 1110 days ago · 7 km deep · 44 km away
  5. 3.055 km SE of Nikolski, Alaska · 1110 days ago · 35 km deep · 88 km away
  6. 1.652 km SW of Unalaska, Alaska · 1108 days ago · 13 km deep · 40 km away
  7. 1.7Fox Islands, Aleutian Islands, Alaska · 1108 days ago · 13 km deep · 35 km away
  8. 2.586 km S of Unalaska, Alaska · 1107 days ago · 35 km deep · 60 km away
  9. 2.8Fox Islands, Aleutian Islands, Alaska · 1107 days ago · 15 km deep · 96 km away
  10. 2.539 km SW of Unalaska, Alaska · 1106 days ago · 80 km deep · 53 km away
  11. 2.5129 km S of Unalaska, Alaska · 1105 days ago · 10 km deep · 86 km away
  12. 1.773 km WSW of Unalaska, Alaska · 1104 days ago · 13 km deep · 38 km away
  13. 2.3Fox Islands, Aleutian Islands, Alaska · 1104 days ago · 52 km deep · 80 km away
  14. 2.329 km S of Unalaska, Alaska · 1104 days ago · 69 km deep · 70 km away
  15. 1.5Fox Islands, Aleutian Islands, Alaska · 1103 days ago · 19 km deep · 45 km away
  16. 2.141 km NE of Nikolski, Alaska · 1102 days ago · 73 km deep · 66 km away
  17. 2.952 km SW of Unalaska, Alaska · 1101 days ago · 25 km deep · 40 km away
  18. 2.159 km SSE of Unalaska, Alaska · 1101 days ago · 42 km deep · 98 km away
  19. 2.0118 km S of Unalaska, Alaska · 1101 days ago · 1 km deep · 72 km away
  20. 1.9125 km S of Unalaska, Alaska · 1100 days ago · 1 km deep · 79 km away
  21. 1.9131 km S of Unalaska, Alaska · 1100 days ago · 9 km deep · 88 km away
  22. 3.388 km SSW of Unalaska, Alaska · 1100 days ago · 35 km deep · 42 km away
  23. 1.732 km SSE of Unalaska, Alaska · 1099 days ago · 70 km deep · 90 km away
  24. 1.687 km SSW of Unalaska, Alaska · 1099 days ago · 34 km deep · 31 km away
  25. 1.827 km SE of Nikolski, Alaska · 1099 days ago · 44 km deep · 95 km away
  26. 1.758 km ENE of Nikolski, Alaska · 1099 days ago · 10 km deep · 40 km away
  27. 2.174 km SW of Unalaska, Alaska · 1098 days ago · 13 km deep · 21 km away
  28. 1.83 km SE of Unalaska, Alaska · 1098 days ago · 5 km deep · 92 km away
  29. 1.6Fox Islands, Aleutian Islands, Alaska · 1097 days ago · 33 km deep · 57 km away
  30. 2.745 km N of Nikolski, Alaska · 1096 days ago · 98 km deep · 97 km away
  31. 2.964 km ESE of Nikolski, Alaska · 1095 days ago · 35 km deep · 63 km away
  32. 4.396 km S of Unalaska, Alaska · 1093 days ago · 10 km deep · 62 km away
  33. 2.3134 km ESE of Nikolski, Alaska · 1093 days ago · 13 km deep · 97 km away
  34. 1.844 km SSW of Unalaska, Alaska · 1093 days ago · 55 km deep · 49 km away
  35. 2.364 km E of Nikolski, Alaska · 1092 days ago · 21 km deep · 55 km away
  36. 2.157 km SW of Unalaska, Alaska · 1092 days ago · 7 km deep · 38 km away
  37. 1.879 km S of Unalaska, Alaska · 1091 days ago · 46 km deep · 68 km away
  38. 2.0Fox Islands, Aleutian Islands, Alaska · 1090 days ago · 70 km deep · 37 km away
  39. 2.6142 km S of Unalaska, Alaska · 1090 days ago · 10 km deep · 98 km away
  40. 2.776 km E of Nikolski, Alaska · 1089 days ago · 35 km deep · 40 km away
  41. 2.068 km S of Unalaska, Alaska · 1089 days ago · 51 km deep · 77 km away
  42. 3.369 km SE of Nikolski, Alaska · 1088 days ago · 10 km deep · 99 km away
  43. 4.091 km SE of Nikolski, Alaska · 1087 days ago · 10 km deep · 97 km away
  44. 3.0135 km S of Unalaska, Alaska · 1087 days ago · 10 km deep · 89 km away
  45. 1.939 km SW of Unalaska, Alaska · 1086 days ago · 75 km deep · 52 km away
  46. 2.1Fox Islands, Aleutian Islands, Alaska · 1086 days ago · 57 km deep · 95 km away
  47. 2.0Fox Islands, Aleutian Islands, Alaska · 1085 days ago · 40 km deep · 73 km away
  48. 3.649 km ESE of Nikolski, Alaska · 1084 days ago · 45 km deep · 76 km away
  49. 4.277 km SSW of Unalaska, Alaska · 1084 days ago · 47 km deep · 43 km away
  50. 2.0135 km S of Unalaska, Alaska · 1084 days ago · 8 km deep · 91 km away
  51. 2.962 km SSE of Unalaska, Alaska · 1084 days ago · 27 km deep · 96 km away
  52. 2.9103 km E of Nikolski, Alaska · 1082 days ago · 35 km deep · 48 km away
  53. 2.188 km SSW of Unalaska, Alaska · 1082 days ago · 4 km deep · 37 km away
  54. 2.0Fox Islands, Aleutian Islands, Alaska · 1082 days ago · 47 km deep · 51 km away
  55. 2.230 km ESE of Nikolski, Alaska · 1080 days ago · 49 km deep · 82 km away
  56. 2.759 km SW of Unalaska, Alaska · 1080 days ago · 104 km deep · 33 km away
  57. 2.879 km S of Unalaska, Alaska · 1078 days ago · 35 km deep · 57 km away
  58. 3.444 km SW of Unalaska, Alaska · 1078 days ago · 80 km deep · 48 km away
  59. 3.369 km SSW of Unalaska, Alaska · 1076 days ago · 52 km deep · 51 km away
  60. 2.8127 km S of Unalaska, Alaska · 1076 days ago · 10 km deep · 78 km away

The first 60 of at least 199.

Before

  1. 2.739 km WSW of Dutch Harbor, Alaska · 1111 days ago · 115 km deep · 63 km away
  2. 1.749 km SW of Unalaska, Alaska · 1111 days ago · 20 km deep · 42 km away
  3. 2.041 km SSW of Unalaska, Alaska · 1111 days ago · 66 km deep · 58 km away
  4. 2.327 km E of Nikolski, Alaska · 1111 days ago · 54 km deep · 76 km away
  5. 2.027 km SE of Nikolski, Alaska · 1111 days ago · 42 km deep · 96 km away
  6. 1.899 km E of Nikolski, Alaska · 1112 days ago · 39 km deep · 29 km away
  7. 2.132 km W of Dutch Harbor, Alaska · 1112 days ago · 114 km deep · 73 km away
  8. 2.886 km SSW of Unalaska, Alaska · 1112 days ago · 35 km deep · 45 km away
  9. 1.684 km SSW of Unalaska, Alaska · 1112 days ago · 26 km deep · 41 km away
  10. 2.793 km ENE of Nikolski, Alaska · 1112 days ago · 64 km deep · 14 km away
  11. 2.0101 km E of Nikolski, Alaska · 1112 days ago · 32 km deep · 35 km away
  12. 2.327 km SSE of Nikolski, Alaska · 1112 days ago · 44 km deep · 98 km away
  13. 1.8103 km E of Nikolski, Alaska · 1113 days ago · 31 km deep · 49 km away
  14. 1.9Fox Islands, Aleutian Islands, Alaska · 1113 days ago · 19 km deep · 92 km away
  15. 2.146 km ENE of Nikolski, Alaska · 1113 days ago · 102 km deep · 51 km away
  16. 1.880 km SSW of Unalaska, Alaska · 1113 days ago · 56 km deep · 20 km away
  17. 2.587 km SW of Unalaska, Alaska · 1114 days ago · 34 km deep · 6 km away
  18. 1.5Fox Islands, Aleutian Islands, Alaska · 1114 days ago · 13 km deep · 15 km away
  19. 2.152 km S of Unalaska, Alaska · 1115 days ago · 56 km deep · 65 km away
  20. 3.664 km E of Nikolski, Alaska · 1117 days ago · 35 km deep · 49 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lbt0 (also filed as ak023bt9s2xl). Read Tue, Sep 29, 2026, 12:13 PM UTC.