Alaska earthquakes

M1.6 earthquake 78 km SSE of Unalaska, Alaska

A magnitude 1.6 earthquake struck 78 km SSE of Unalaska, Alaska on Fri, Apr 28, 2023, 1:41 AM AKDT (09:41 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.1 71 km S of Akutan, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-04-28 09:41:58 UTC
Depth
18.2 km (11.3 mi), shallow
Epicenter
53.251° N, 165.970° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 117 in the 30 days before it.

After

  1. 1.778 km SSE of Akutan, Alaska · 1251 days ago · 39 km deep · 50 km away
  2. 1.675 km SSE of Akutan, Alaska · 1251 days ago · 34 km deep · 51 km away
  3. 1.574 km SW of Unalaska, Alaska · 1251 days ago · 13 km deep · 87 km away
  4. 1.745 km SSE of Akutan, Alaska · 1251 days ago · 49 km deep · 63 km away
  5. 1.775 km SSE of Akutan, Alaska · 1251 days ago · 19 km deep · 42 km away
  6. 1.517 km WSW of Akutan, Alaska · 1251 days ago · 13 km deep · 90 km away
  7. 2.763 km SSE of Unalaska, Alaska · 1251 days ago · 35 km deep · 17 km away
  8. 2.172 km SSW of Unalaska, Alaska · 1251 days ago · 54 km deep · 58 km away
  9. 1.785 km SSW of Unalaska, Alaska · 1250 days ago · 5 km deep · 81 km away
  10. 1.972 km SW of Unalaska, Alaska · 1249 days ago · 11 km deep · 89 km away
  11. 2.191 km SSW of Unalaska, Alaska · 1247 days ago · 26 km deep · 71 km away
  12. 2.187 km SSW of Unalaska, Alaska · 1247 days ago · 26 km deep · 61 km away
  13. 2.027 km SE of Akutan, Alaska · 1247 days ago · 65 km deep · 84 km away
  14. 2.388 km SSW of Unalaska, Alaska · 1247 days ago · 20 km deep · 67 km away
  15. 2.945 km SE of Unalaska, Alaska · 1247 days ago · 49 km deep · 36 km away
  16. 1.649 km SE of Unalaska, Alaska · 1247 days ago · 27 km deep · 38 km away
  17. 2.164 km SE of Unalaska, Alaska · 1247 days ago · 28 km deep · 26 km away
  18. 1.956 km SE of Unalaska, Alaska · 1247 days ago · 53 km deep · 30 km away
  19. 1.988 km SE of Akutan, Alaska · 1246 days ago · 16 km deep · 86 km away
  20. 2.090 km SE of Akutan, Alaska · 1246 days ago · 25 km deep · 77 km away
  21. 1.666 km SSE of Unalaska, Alaska · 1246 days ago · 22 km deep · 14 km away
  22. 2.346 km SE of Unalaska, Alaska · 1246 days ago · 59 km deep · 41 km away
  23. 2.2102 km SE of Akutan, Alaska · 1246 days ago · 26 km deep · 76 km away
  24. 2.057 km SE of Unalaska, Alaska · 1246 days ago · 44 km deep · 33 km away
  25. 1.867 km SE of Unalaska, Alaska · 1246 days ago · 33 km deep · 19 km away
  26. 1.820 km ESE of Unalaska, Alaska · 1246 days ago · 77 km deep · 64 km away
  27. 1.973 km SE of Unalaska, Alaska · 1246 days ago · 14 km deep · 21 km away
  28. 2.076 km SW of Unalaska, Alaska · 1246 days ago · 74 km deep · 88 km away
  29. 1.878 km S of Unalaska, Alaska · 1244 days ago · 22 km deep · 52 km away
  30. 1.765 km SE of Unalaska, Alaska · 1244 days ago · 25 km deep · 20 km away
  31. 2.982 km SE of Akutan, Alaska · 1244 days ago · 35 km deep · 75 km away
  32. 3.659 km SSW of Unalaska, Alaska · 1244 days ago · 5 km deep · 63 km away
  33. 3.180 km SE of Akutan, Alaska · 1244 days ago · 35 km deep · 74 km away
  34. 3.556 km SSW of Unalaska, Alaska · 1244 days ago · 10 km deep · 68 km away
  35. 1.849 km SW of Unalaska, Alaska · 1243 days ago · 14 km deep · 80 km away
  36. 1.648 km SW of Unalaska, Alaska · 1243 days ago · 23 km deep · 83 km away
  37. 1.949 km SW of Unalaska, Alaska · 1243 days ago · 18 km deep · 83 km away
  38. 1.549 km SW of Unalaska, Alaska · 1243 days ago · 13 km deep · 80 km away
  39. 1.8118 km S of Unalaska, Alaska · 1243 days ago · 6 km deep · 67 km away
  40. 1.550 km SW of Unalaska, Alaska · 1243 days ago · 17 km deep · 75 km away
  41. 1.868 km S of Akutan, Alaska · 1243 days ago · 40 km deep · 36 km away
  42. 1.995 km SW of Unalaska, Alaska · 1243 days ago · 18 km deep · 96 km away
  43. 3.256 km SSW of Unalaska, Alaska · 1243 days ago · 9 km deep · 66 km away
  44. 1.949 km SW of Unalaska, Alaska · 1243 days ago · 17 km deep · 80 km away
  45. 1.849 km SW of Unalaska, Alaska · 1243 days ago · 19 km deep · 79 km away
  46. 1.649 km SW of Unalaska, Alaska · 1243 days ago · 13 km deep · 78 km away
  47. 1.950 km SW of Unalaska, Alaska · 1243 days ago · 13 km deep · 79 km away
  48. 2.150 km SW of Unalaska, Alaska · 1243 days ago · 13 km deep · 78 km away
  49. 2.050 km SW of Unalaska, Alaska · 1243 days ago · 14 km deep · 77 km away
  50. 1.847 km SW of Unalaska, Alaska · 1243 days ago · 16 km deep · 79 km away
  51. 1.548 km SW of Unalaska, Alaska · 1243 days ago · 16 km deep · 80 km away
  52. 1.975 km SW of Unalaska, Alaska · 1243 days ago · 13 km deep · 88 km away
  53. 1.973 km SW of Unalaska, Alaska · 1242 days ago · 37 km deep · 91 km away
  54. 1.975 km SW of Unalaska, Alaska · 1242 days ago · 12 km deep · 87 km away
  55. 2.081 km SSE of Akutan, Alaska · 1242 days ago · 39 km deep · 53 km away
  56. 2.063 km SSE of Akutan, Alaska · 1242 days ago · 57 km deep · 59 km away
  57. 1.9130 km S of Unalaska, Alaska · 1241 days ago · 2 km deep · 85 km away
  58. 1.768 km SE of Unalaska, Alaska · 1241 days ago · 30 km deep · 21 km away
  59. 2.060 km SW of Unalaska, Alaska · 1241 days ago · 78 km deep · 88 km away
  60. 2.584 km SSW of Unalaska, Alaska · 1241 days ago · 35 km deep · 63 km away

The first 60 of 186.

Before

  1. 1.6Fox Islands, Aleutian Islands, Alaska · 1252 days ago · 50 km deep · 9 km away
  2. 1.674 km SSE of Unalaska, Alaska · 1252 days ago · 41 km deep · 6 km away
  3. 1.555 km SSW of Unalaska, Alaska · 1252 days ago · 47 km deep · 65 km away
  4. 1.867 km SE of Unalaska, Alaska · 1253 days ago · 38 km deep · 16 km away
  5. 1.920 km SE of Akutan, Alaska · 1253 days ago · 64 km deep · 92 km away
  6. 3.341 km SE of Akutan, Alaska · 1253 days ago · 60 km deep · 74 km away
  7. 2.038 km SSW of Unalaska, Alaska · 1253 days ago · 67 km deep · 57 km away
  8. 1.650 km SW of Unalaska, Alaska · 1253 days ago · 14 km deep · 80 km away
  9. 1.814 km WSW of Dutch Harbor, Alaska · 1253 days ago · 7 km deep · 86 km away
  10. 1.873 km SW of Unalaska, Alaska · 1253 days ago · 28 km deep · 95 km away
  11. 2.075 km SE of Akutan, Alaska · 1254 days ago · 50 km deep · 68 km away
  12. 2.084 km SSE of Unalaska, Alaska · 1254 days ago · 24 km deep · 6 km away
  13. 3.4137 km ESE of Nikolski, Alaska · 1254 days ago · 10 km deep · 94 km away
  14. 3.255 km SSW of Unalaska, Alaska · 1255 days ago · 22 km deep · 71 km away
  15. 1.783 km SSW of Unalaska, Alaska · 1256 days ago · 26 km deep · 63 km away
  16. 1.614 km SSE of Unalaska, Alaska · 1257 days ago · 77 km deep · 64 km away
  17. 1.917 km SSE of Unalaska, Alaska · 1257 days ago · 81 km deep · 61 km away
  18. 1.666 km S of Akutan, Alaska · 1257 days ago · 23 km deep · 39 km away
  19. 1.6103 km SSW of Unalaska, Alaska · 1258 days ago · 7 km deep · 75 km away
  20. 2.175 km S of Unalaska, Alaska · 1260 days ago · 22 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0235fb0rmi. Read Thu, Oct 1, 2026, 9:46 AM UTC.