Alaska earthquakes

M2.3 earthquake 127 km S of Unalaska, Alaska

A magnitude 2.3 earthquake struck 127 km S of Unalaska, Alaska on Sun, May 21, 2023, 3:18 AM AKDT (11:18 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 101 km SE of Nikolski, 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
2.3 (ml), micro
Local time
UTC
2023-05-21 11:18:22 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
52.736° N, 166.704° 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.

Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 114 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 1.597 km SSW of Unalaska, Alaska · 1227 days ago · 15 km deep · 48 km away
  2. 1.973 km SSW of Unalaska, Alaska · 1227 days ago · 46 km deep · 55 km away
  3. 2.7124 km S of Unalaska, Alaska · 1226 days ago · 9 km deep · 5 km away
  4. 2.099 km SSW of Unalaska, Alaska · 1226 days ago · 38 km deep · 47 km away
  5. 1.778 km SSW of Unalaska, Alaska · 1226 days ago · 45 km deep · 50 km away
  6. 1.972 km E of Nikolski, Alaska · 1225 days ago · 38 km deep · 77 km away
  7. 2.690 km SSW of Unalaska, Alaska · 1225 days ago · 35 km deep · 41 km away
  8. 3.0Fox Islands, Aleutian Islands, Alaska · 1223 days ago · 73 km deep · 87 km away
  9. 2.2127 km S of Unalaska, Alaska · 1223 days ago · 25 km deep · 1 km away
  10. 3.852 km E of Nikolski, Alaska · 1223 days ago · 46 km deep · 95 km away
  11. 2.777 km SW of Unalaska, Alaska · 1222 days ago · 23 km deep · 83 km away
  12. 2.371 km S of Unalaska, Alaska · 1222 days ago · 38 km deep · 56 km away
  13. 2.857 km SE of Unalaska, Alaska · 1221 days ago · 35 km deep · 96 km away
  14. 2.4162 km ESE of Nikolski, Alaska · 1220 days ago · 26 km deep · 50 km away
  15. 1.796 km SW of Unalaska, Alaska · 1220 days ago · 51 km deep · 65 km away
  16. 1.969 km ESE of Nikolski, Alaska · 1220 days ago · 32 km deep · 78 km away
  17. 1.957 km SSE of Unalaska, Alaska · 1218 days ago · 36 km deep · 88 km away
  18. 2.276 km SE of Unalaska, Alaska · 1218 days ago · 21 km deep · 87 km away
  19. 1.784 km SSW of Unalaska, Alaska · 1217 days ago · 26 km deep · 45 km away
  20. 3.170 km S of Unalaska, Alaska · 1215 days ago · 35 km deep · 58 km away
  21. 1.9111 km SSW of Unalaska, Alaska · 1214 days ago · 18 km deep · 38 km away
  22. 2.154 km ESE of Nikolski, Alaska · 1214 days ago · 24 km deep · 98 km away
  23. 1.9Fox Islands, Aleutian Islands, Alaska · 1213 days ago · 58 km deep · 71 km away
  24. 1.757 km ESE of Nikolski, Alaska · 1212 days ago · 25 km deep · 90 km away
  25. 1.960 km ESE of Nikolski, Alaska · 1212 days ago · 26 km deep · 88 km away
  26. 3.8Fox Islands, Aleutian Islands, Alaska · 1212 days ago · 37 km deep · 16 km away
  27. 1.9117 km S of Unalaska, Alaska · 1212 days ago · 18 km deep · 11 km away
  28. 3.095 km SSW of Unalaska, Alaska · 1212 days ago · 35 km deep · 44 km away
  29. 2.070 km E of Nikolski, Alaska · 1212 days ago · 47 km deep · 77 km away
  30. 1.979 km SW of Unalaska, Alaska · 1209 days ago · 15 km deep · 73 km away
  31. 1.686 km SSW of Unalaska, Alaska · 1208 days ago · 26 km deep · 45 km away
  32. 1.662 km ESE of Nikolski, Alaska · 1208 days ago · 21 km deep · 92 km away
  33. 1.9156 km S of Unalaska, Alaska · 1207 days ago · 26 km deep · 31 km away
  34. 1.779 km E of Nikolski, Alaska · 1207 days ago · 46 km deep · 67 km away
  35. 1.754 km ESE of Nikolski, Alaska · 1207 days ago · 26 km deep · 95 km away
  36. 2.6Fox Islands, Aleutian Islands, Alaska · 1207 days ago · 35 km deep · 40 km away
  37. 2.1123 km ESE of Nikolski, Alaska · 1207 days ago · 14 km deep · 29 km away
  38. 1.793 km E of Nikolski, Alaska · 1206 days ago · 56 km deep · 58 km away
  39. 2.550 km SW of Unalaska, Alaska · 1204 days ago · 12 km deep · 92 km away
  40. 1.9148 km SE of Nikolski, Alaska · 1204 days ago · 9 km deep · 70 km away
  41. 2.9118 km ESE of Nikolski, Alaska · 1200 days ago · 35 km deep · 36 km away
  42. 2.176 km S of Unalaska, Alaska · 1200 days ago · 27 km deep · 51 km away
  43. 3.3107 km SSW of Unalaska, Alaska · 1199 days ago · 35 km deep · 27 km away
  44. 1.8120 km SE of Nikolski, Alaska · 1197 days ago · 8 km deep · 63 km away
  45. 1.578 km SSW of Unalaska, Alaska · 1197 days ago · 37 km deep · 53 km away
  46. 1.549 km SW of Unalaska, Alaska · 1197 days ago · 19 km deep · 96 km away
  47. 3.5113 km S of Unalaska, Alaska · 1197 days ago · 11 km deep · 17 km away
  48. 1.697 km E of Nikolski, Alaska · 1196 days ago · 51 km deep · 53 km away
  49. 1.9127 km SE of Unalaska, Alaska · 1196 days ago · 32 km deep · 93 km away
  50. 2.7189 km SE of Nikolski, Alaska · 1196 days ago · 10 km deep · 100 km away
  51. 2.179 km SW of Unalaska, Alaska · 1195 days ago · 13 km deep · 80 km away
  52. 2.581 km ENE of Nikolski, Alaska · 1195 days ago · 10 km deep · 91 km away
  53. 2.271 km S of Unalaska, Alaska · 1194 days ago · 40 km deep · 56 km away
  54. 2.7131 km S of Unalaska, Alaska · 1194 days ago · 3 km deep · 4 km away
  55. 2.0132 km S of Unalaska, Alaska · 1194 days ago · 5 km deep · 7 km away
  56. 3.9101 km SE of Nikolski, Alaska · 1194 days ago · 10 km deep · 80 km away
  57. 2.193 km SE of Nikolski, Alaska · 1194 days ago · 15 km deep · 78 km away
  58. 1.861 km SE of Unalaska, Alaska · 1193 days ago · 35 km deep · 93 km away
  59. 1.577 km E of Nikolski, Alaska · 1192 days ago · 37 km deep · 71 km away
  60. 2.182 km SSW of Unalaska, Alaska · 1190 days ago · 26 km deep · 46 km away

The first 60 of 114.

Before

  1. 2.3120 km S of Unalaska, Alaska · 1228 days ago · 2 km deep · 10 km away
  2. 2.4195 km SSE of Unalaska, Alaska · 1228 days ago · 1 km deep · 93 km away
  3. 4.0110 km SSW of Unalaska, Alaska · 1228 days ago · 40 km deep · 22 km away
  4. 1.9123 km S of Unalaska, Alaska · 1228 days ago · 13 km deep · 8 km away
  5. 2.2102 km SSW of Unalaska, Alaska · 1230 days ago · 20 km deep · 29 km away
  6. 2.5134 km S of Unalaska, Alaska · 1231 days ago · 10 km deep · 12 km away
  7. 2.5133 km S of Unalaska, Alaska · 1231 days ago · 35 km deep · 7 km away
  8. 2.466 km SSW of Unalaska, Alaska · 1233 days ago · 88 km deep · 67 km away
  9. 3.091 km SSW of Unalaska, Alaska · 1234 days ago · 35 km deep · 40 km away
  10. 3.576 km SSW of Unalaska, Alaska · 1234 days ago · 53 km deep · 60 km away
  11. 2.050 km SW of Unalaska, Alaska · 1234 days ago · 13 km deep · 98 km away
  12. 1.777 km SSE of Unalaska, Alaska · 1236 days ago · 26 km deep · 61 km away
  13. 1.649 km SW of Unalaska, Alaska · 1238 days ago · 13 km deep · 91 km away
  14. 2.4Fox Islands, Aleutian Islands, Alaska · 1238 days ago · 22 km deep · 89 km away
  15. 3.1Fox Islands, Aleutian Islands, Alaska · 1238 days ago · 35 km deep · 59 km away
  16. 1.949 km SW of Unalaska, Alaska · 1238 days ago · 17 km deep · 93 km away
  17. 2.050 km SW of Unalaska, Alaska · 1239 days ago · 13 km deep · 92 km away
  18. 1.949 km SW of Unalaska, Alaska · 1239 days ago · 18 km deep · 94 km away
  19. 1.748 km SW of Unalaska, Alaska · 1239 days ago · 13 km deep · 100 km away
  20. 2.584 km SSW of Unalaska, Alaska · 1239 days ago · 35 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0236hdflvx. Read Wed, Sep 30, 2026, 3:05 AM UTC.