Alaska earthquakes

M1.9 earthquake Alaska Peninsula

A magnitude 1.9 earthquake struck in the Alaska Peninsula on Fri, Mar 10, 2023, 12:41 AM AKST (09:41 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.6 84 km NW of Aleneva, 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-03-10 09:41:24 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
58.256° N, 155.114° 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
1.9ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.77ML, local (Richter)AVFinal · ±0.182399550501184 · 16 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
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 2.085 km NNW of Karluk, Alaska · 1302 days ago · 1 km deep · 1 km away
  2. 2.866 km SSE of Kokhanok, Alaska · 1302 days ago · 114 km deep · 80 km away
  3. 1.576 km ENE of Ugashik, Alaska · 1301 days ago · 9 km deep · 91 km away
  4. 2.483 km W of Karluk, Alaska · 1301 days ago · 1 km deep · 85 km away
  5. 1.760 km W of Karluk, Alaska · 1301 days ago · 72 km deep · 76 km away
  6. 2.857 km SSE of Kokhanok, Alaska · 1300 days ago · 127 km deep · 95 km away
  7. 1.959 km ESE of Egegik, Alaska · 1299 days ago · 14 km deep · 84 km away
  8. 2.486 km NNW of Karluk, Alaska · 1299 days ago · 4 km deep · 2 km away
  9. 1.572 km SSE of Kokhanok, Alaska · 1298 days ago · 12 km deep · 82 km away
  10. 3.021 km NNW of Karluk, Alaska · 1298 days ago · 62 km deep · 64 km away
  11. 2.450 km SE of King Salmon, Alaska · 1298 days ago · 150 km deep · 55 km away
  12. 1.997 km SSE of Kokhanok, Alaska · 1298 days ago · 5 km deep · 60 km away
  13. 1.873 km WNW of Aleneva, Alaska · 1298 days ago · 78 km deep · 67 km away
  14. 1.853 km W of Aleneva, Alaska · 1297 days ago · 57 km deep · 78 km away
  15. 2.171 km SSE of Kokhanok, Alaska · 1297 days ago · 126 km deep · 71 km away
  16. 1.957 km S of Kokhanok, Alaska · 1297 days ago · 120 km deep · 76 km away
  17. 2.255 km WNW of Karluk, Alaska · 1297 days ago · 85 km deep · 60 km away
  18. 2.076 km ESE of Egegik, Alaska · 1297 days ago · 125 km deep · 72 km away
  19. 2.825 km S of King Salmon, Alaska · 1297 days ago · 190 km deep · 93 km away
  20. 2.2Kodiak Island region, Alaska · 1297 days ago · 60 km deep · 99 km away
  21. 1.760 km NW of Aleneva, Alaska · 1297 days ago · 61 km deep · 81 km away
  22. 1.888 km NW of Karluk, Alaska · 1296 days ago · 1 km deep · 15 km away
  23. 1.6Alaska Peninsula · 1295 days ago · 3 km deep · 51 km away
  24. 1.664 km WNW of Aleneva, Alaska · 1294 days ago · 64 km deep · 75 km away
  25. 1.544 km NW of Karluk, Alaska · 1294 days ago · 74 km deep · 47 km away
  26. 2.893 km NW of Aleneva, Alaska · 1294 days ago · 80 km deep · 86 km away
  27. 1.88 km WSW of Karluk, Alaska · 1293 days ago · 47 km deep · 84 km away
  28. 2.237 km WNW of Karluk, Alaska · 1292 days ago · 68 km deep · 58 km away
  29. 2.448 km ESE of King Salmon, Alaska · 1291 days ago · 160 km deep · 54 km away
  30. 1.870 km NNW of Karluk, Alaska · 1291 days ago · 88 km deep · 24 km away
  31. 1.979 km SE of King Salmon, Alaska · 1289 days ago · 9 km deep · 32 km away
  32. 1.774 km WNW of Aleneva, Alaska · 1289 days ago · 75 km deep · 62 km away
  33. 1.970 km WNW of Karluk, Alaska · 1289 days ago · 82 km deep · 66 km away
  34. 1.677 km ENE of Ugashik, Alaska · 1288 days ago · 121 km deep · 82 km away
  35. 2.168 km ENE of Ugashik, Alaska · 1288 days ago · 140 km deep · 89 km away
  36. 2.481 km ESE of King Salmon, Alaska · 1287 days ago · 127 km deep · 23 km away
  37. 1.589 km SE of King Salmon, Alaska · 1287 days ago · 107 km deep · 28 km away
  38. 1.834 km W of Aleneva, Alaska · 1287 days ago · 46 km deep · 97 km away
  39. 1.980 km NW of Aleneva, Alaska · 1287 days ago · 72 km deep · 90 km away
  40. 2.066 km WNW of Aleneva, Alaska · 1287 days ago · 61 km deep · 66 km away
  41. 1.677 km SSE of Kokhanok, Alaska · 1287 days ago · 94 km deep · 75 km away
  42. 1.540 km NNE of Karluk, Alaska · 1287 days ago · 44 km deep · 69 km away
  43. 1.619 km NW of Larsen Bay, Alaska · 1286 days ago · 52 km deep · 85 km away
  44. 1.777 km NNW of Karluk, Alaska · 1286 days ago · 94 km deep · 23 km away
  45. 2.454 km WNW of Karluk, Alaska · 1286 days ago · 84 km deep · 47 km away
  46. 1.588 km NNW of Karluk, Alaska · 1285 days ago · 2 km deep · 14 km away
  47. 1.587 km NNW of Karluk, Alaska · 1285 days ago · 0 km deep · 3 km away
  48. 3.285 km NNW of Karluk, Alaska · 1285 days ago · 1 km deep · 1 km away · felt by 1
  49. 1.559 km NW of Aleneva, Alaska · 1285 days ago · 76 km deep · 87 km away
  50. 1.6Kodiak Island region, Alaska · 1284 days ago · 47 km deep · 87 km away
  51. 1.974 km SE of Kokhanok, Alaska · 1284 days ago · 90 km deep · 96 km away
  52. 1.585 km NW of Aleneva, Alaska · 1284 days ago · 84 km deep · 75 km away
  53. 2.249 km N of Larsen Bay, Alaska · 1284 days ago · 47 km deep · 82 km away
  54. 1.772 km W of Karluk, Alaska · 1283 days ago · 75 km deep · 89 km away
  55. 1.687 km NNW of Karluk, Alaska · 1283 days ago · 3 km deep · 2 km away
  56. 1.685 km NW of Aleneva, Alaska · 1283 days ago · 85 km deep · 78 km away
  57. 2.566 km E of King Salmon, Alaska · 1282 days ago · 143 km deep · 47 km away
  58. 1.558 km WNW of Karluk, Alaska · 1282 days ago · 6 km deep · 57 km away
  59. 3.438 km WNW of Karluk, Alaska · 1282 days ago · 70 km deep · 58 km away
  60. 1.963 km NW of Aleneva, Alaska · 1282 days ago · 69 km deep · 82 km away

The first 60 of 193.

Before

  1. 1.782 km WNW of Karluk, Alaska · 1302 days ago · 101 km deep · 48 km away
  2. 1.585 km W of Karluk, Alaska · 1302 days ago · 4 km deep · 84 km away
  3. 1.586 km NNW of Karluk, Alaska · 1303 days ago · 1 km deep · 1 km away
  4. 2.685 km NNW of Karluk, Alaska · 1303 days ago · 4 km deep · 1 km away
  5. 1.856 km WSW of Karluk, Alaska · 1304 days ago · 61 km deep · 94 km away
  6. 2.185 km ESE of King Salmon, Alaska · 1304 days ago · 123 km deep · 25 km away
  7. 2.593 km SSE of Kokhanok, Alaska · 1305 days ago · 85 km deep · 79 km away
  8. 1.956 km NNW of Karluk, Alaska · 1305 days ago · 77 km deep · 32 km away
  9. 1.842 km WSW of Karluk, Alaska · 1305 days ago · 66 km deep · 85 km away
  10. 1.986 km NW of Karluk, Alaska · 1306 days ago · 4 km deep · 17 km away
  11. 1.765 km S of Kokhanok, Alaska · 1306 days ago · 120 km deep · 73 km away
  12. 1.975 km ESE of Egegik, Alaska · 1306 days ago · 126 km deep · 80 km away
  13. 1.885 km NNW of Karluk, Alaska · 1306 days ago · 0 km deep · 8 km away
  14. 2.026 km WNW of Karluk, Alaska · 1307 days ago · 69 km deep · 66 km away
  15. 1.562 km N of Karluk, Alaska · 1307 days ago · 1 km deep · 41 km away
  16. 1.574 km W of Karluk, Alaska · 1308 days ago · 13 km deep · 77 km away
  17. 2.468 km NNE of Karluk, Alaska · 1308 days ago · 64 km deep · 56 km away
  18. 2.378 km ENE of Ugashik, Alaska · 1308 days ago · 126 km deep · 81 km away
  19. 1.684 km NW of Karluk, Alaska · 1309 days ago · 4 km deep · 12 km away
  20. 1.683 km NW of Karluk, Alaska · 1309 days ago · 1 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023369oosm (also filed as av91795551). Read Fri, Oct 2, 2026, 1:55 PM UTC.