Alaska earthquakes

M1.5 earthquake 84 km WSW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 84 km WSW of Unalaska, Alaska on Fri, Apr 7, 2023, 9:39 AM AKDT (17:39 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.9 59 km WSW 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.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-04-07 17:39:06 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
53.592° N, 167.727° W
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
1.5ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.29ML, local (Richter)AVFinal · ±0.229646632581434 · 14 stations

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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 89 in the 30 days before it.

After

  1. 3.368 km ESE of Nikolski, Alaska · 1275 days ago · 35 km deep · 98 km away
  2. 2.095 km E of Nikolski, Alaska · 1273 days ago · 50 km deep · 73 km away
  3. 1.561 km SW of Unalaska, Alaska · 1273 days ago · 10 km deep · 28 km away
  4. 2.672 km ENE of Nikolski, Alaska · 1273 days ago · 66 km deep · 49 km away
  5. 1.717 km W of Dutch Harbor, Alaska · 1273 days ago · 7 km deep · 68 km away
  6. 2.518 km W of Dutch Harbor, Alaska · 1273 days ago · 10 km deep · 67 km away
  7. 1.819 km SW of Unalaska, Alaska · 1272 days ago · 89 km deep · 67 km away
  8. 3.3Fox Islands, Aleutian Islands, Alaska · 1272 days ago · 10 km deep · 67 km away
  9. 1.776 km S of Unalaska, Alaska · 1272 days ago · 26 km deep · 82 km away
  10. 1.750 km SW of Unalaska, Alaska · 1272 days ago · 16 km deep · 41 km away
  11. 2.9Fox Islands, Aleutian Islands, Alaska · 1272 days ago · 17 km deep · 46 km away
  12. 1.652 km SW of Unalaska, Alaska · 1272 days ago · 14 km deep · 39 km away
  13. 1.752 km SW of Unalaska, Alaska · 1272 days ago · 14 km deep · 39 km away
  14. 2.153 km S of Unalaska, Alaska · 1272 days ago · 48 km deep · 83 km away
  15. 1.751 km SW of Unalaska, Alaska · 1272 days ago · 11 km deep · 40 km away
  16. 2.180 km SSW of Unalaska, Alaska · 1271 days ago · 37 km deep · 69 km away
  17. 2.016 km W of Dutch Harbor, Alaska · 1271 days ago · 8 km deep · 69 km away
  18. 1.979 km SW of Unalaska, Alaska · 1271 days ago · 13 km deep · 36 km away
  19. 1.856 km SW of Unalaska, Alaska · 1270 days ago · 13 km deep · 35 km away
  20. 2.1103 km E of Nikolski, Alaska · 1269 days ago · 60 km deep · 95 km away
  21. 1.776 km SW of Unalaska, Alaska · 1269 days ago · 20 km deep · 37 km away
  22. 2.051 km SW of Unalaska, Alaska · 1268 days ago · 17 km deep · 37 km away
  23. 2.445 km E of Nikolski, Alaska · 1267 days ago · 58 km deep · 85 km away
  24. 1.556 km SW of Unalaska, Alaska · 1266 days ago · 14 km deep · 34 km away
  25. 1.672 km SSW of Unalaska, Alaska · 1265 days ago · 45 km deep · 74 km away
  26. 1.633 km SSW of Unalaska, Alaska · 1265 days ago · 78 km deep · 62 km away
  27. 2.057 km SW of Unalaska, Alaska · 1264 days ago · 83 km deep · 32 km away
  28. 3.221 km ENE of Nikolski, Alaska · 1264 days ago · 78 km deep · 85 km away
  29. 1.572 km SSW of Unalaska, Alaska · 1264 days ago · 25 km deep · 73 km away
  30. 1.984 km S of Unalaska, Alaska · 1263 days ago · 25 km deep · 83 km away
  31. 1.6103 km SSW of Unalaska, Alaska · 1260 days ago · 7 km deep · 83 km away
  32. 1.917 km SSE of Unalaska, Alaska · 1260 days ago · 81 km deep · 90 km away
  33. 1.614 km SSE of Unalaska, Alaska · 1259 days ago · 77 km deep · 84 km away
  34. 1.783 km SSW of Unalaska, Alaska · 1258 days ago · 26 km deep · 73 km away
  35. 3.255 km SSW of Unalaska, Alaska · 1257 days ago · 22 km deep · 52 km away
  36. 1.778 km ENE of Nikolski, Alaska · 1257 days ago · 70 km deep · 35 km away
  37. 1.990 km WSW of Unalaska, Alaska · 1256 days ago · 87 km deep · 12 km away
  38. 1.873 km SW of Unalaska, Alaska · 1256 days ago · 28 km deep · 30 km away
  39. 1.814 km WSW of Dutch Harbor, Alaska · 1256 days ago · 7 km deep · 70 km away
  40. 1.650 km SW of Unalaska, Alaska · 1255 days ago · 14 km deep · 44 km away
  41. 2.038 km SSW of Unalaska, Alaska · 1255 days ago · 67 km deep · 70 km away
  42. 1.555 km SSW of Unalaska, Alaska · 1255 days ago · 47 km deep · 58 km away
  43. 1.999 km E of Nikolski, Alaska · 1254 days ago · 26 km deep · 76 km away
  44. 1.574 km SW of Unalaska, Alaska · 1254 days ago · 13 km deep · 40 km away
  45. 2.172 km SSW of Unalaska, Alaska · 1253 days ago · 54 km deep · 70 km away
  46. 1.785 km SSW of Unalaska, Alaska · 1252 days ago · 5 km deep · 56 km away
  47. 1.972 km SW of Unalaska, Alaska · 1251 days ago · 11 km deep · 37 km away
  48. 2.191 km SSW of Unalaska, Alaska · 1250 days ago · 26 km deep · 72 km away
  49. 2.187 km SSW of Unalaska, Alaska · 1249 days ago · 26 km deep · 79 km away
  50. 1.672 km WSW of Unalaska, Alaska · 1249 days ago · 13 km deep · 19 km away
  51. 2.388 km SSW of Unalaska, Alaska · 1249 days ago · 20 km deep · 74 km away
  52. 1.820 km ESE of Unalaska, Alaska · 1249 days ago · 77 km deep · 100 km away
  53. 1.576 km SW of Unalaska, Alaska · 1249 days ago · 13 km deep · 19 km away
  54. 2.076 km SW of Unalaska, Alaska · 1248 days ago · 74 km deep · 40 km away
  55. 1.763 km NE of Nikolski, Alaska · 1248 days ago · -1 km deep · 43 km away
  56. 1.878 km S of Unalaska, Alaska · 1247 days ago · 22 km deep · 80 km away
  57. 3.659 km SSW of Unalaska, Alaska · 1246 days ago · 5 km deep · 60 km away
  58. 3.556 km SSW of Unalaska, Alaska · 1246 days ago · 10 km deep · 55 km away
  59. 2.445 km N of Nikolski, Alaska · 1246 days ago · 155 km deep · 82 km away
  60. 1.849 km SW of Unalaska, Alaska · 1246 days ago · 14 km deep · 44 km away

The first 60 of 134.

Before

  1. 2.768 km ESE of Nikolski, Alaska · 1275 days ago · 35 km deep · 96 km away
  2. 1.721 km SE of Unalaska, Alaska · 1276 days ago · 72 km deep · 94 km away
  3. 1.670 km SSW of Unalaska, Alaska · 1276 days ago · 84 km deep · 62 km away
  4. 1.53 km ESE of Unalaska, Alaska · 1277 days ago · 11 km deep · 87 km away
  5. 1.681 km SSW of Unalaska, Alaska · 1277 days ago · 20 km deep · 77 km away
  6. 2.7Fox Islands, Aleutian Islands, Alaska · 1278 days ago · 35 km deep · 73 km away
  7. 1.680 km SW of Unalaska, Alaska · 1278 days ago · 67 km deep · 33 km away
  8. 1.684 km SSW of Unalaska, Alaska · 1278 days ago · 25 km deep · 77 km away
  9. 1.780 km SSW of Unalaska, Alaska · 1278 days ago · 22 km deep · 73 km away
  10. 1.984 km SW of Unalaska, Alaska · 1280 days ago · 64 km deep · 29 km away
  11. 1.92 km WSW of Dutch Harbor, Alaska · 1280 days ago · 7 km deep · 82 km away
  12. 2.03 km WSW of Dutch Harbor, Alaska · 1280 days ago · 5 km deep · 81 km away
  13. 2.23 km W of Unalaska, Alaska · 1280 days ago · 6 km deep · 81 km away
  14. 1.52 km W of Dutch Harbor, Alaska · 1281 days ago · 7 km deep · 83 km away
  15. 1.55 km W of Dutch Harbor, Alaska · 1281 days ago · 6 km deep · 80 km away
  16. 1.63 km W of Unalaska, Alaska · 1281 days ago · 8 km deep · 81 km away
  17. 1.83 km W of Unalaska, Alaska · 1281 days ago · 5 km deep · 81 km away
  18. 1.63 km WSW of Dutch Harbor, Alaska · 1281 days ago · 6 km deep · 82 km away
  19. 1.92 km WSW of Unalaska, Alaska · 1281 days ago · 5 km deep · 82 km away
  20. 2.12 km WSW of Dutch Harbor, Alaska · 1281 days ago · 5 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0234gphemv (also filed as av91838856). Read Sat, Oct 3, 2026, 9:55 PM UTC.