Alaska earthquakes

M1.7 earthquake 16 km NE of Old Harbor, Alaska

A magnitude 1.7 earthquake struck 16 km NE of Old Harbor, Alaska on Sun, Mar 12, 2023, 9:12 AM AKDT (17:12 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M3.1 31 km SW of Karluk, Alaska. This one was a foreshock.

Womens Bay 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-03-12 17:12:39 UTC
Depth
20.0 km (12.4 mi), shallow
Epicenter
57.329° N, 153.149° 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
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 3.021 km NNW of Karluk, Alaska · 1298 days ago · 62 km deep · 97 km away
  2. 1.853 km W of Aleneva, Alaska · 1298 days ago · 57 km deep · 97 km away
  3. 2.2Kodiak Island region, Alaska · 1297 days ago · 60 km deep · 96 km away
  4. 3.131 km SW of Karluk, Alaska · 1297 days ago · 20 km deep · 98 km away
  5. 1.529 km WNW of Aleneva, Alaska · 1294 days ago · 54 km deep · 94 km away
  6. 1.88 km WSW of Karluk, Alaska · 1293 days ago · 47 km deep · 90 km away
  7. 2.241 km SE of Old Harbor, Alaska · 1291 days ago · 17 km deep · 46 km away
  8. 2.022 km WNW of Port Lions, Alaska · 1289 days ago · 57 km deep · 67 km away
  9. 2.112 km ENE of Chiniak, Alaska · 1288 days ago · 6 km deep · 72 km away
  10. 1.834 km W of Aleneva, Alaska · 1287 days ago · 46 km deep · 88 km away
  11. 1.540 km NNE of Karluk, Alaska · 1287 days ago · 44 km deep · 87 km away
  12. 1.619 km NW of Larsen Bay, Alaska · 1287 days ago · 52 km deep · 72 km away
  13. 1.525 km SE of Larsen Bay, Alaska · 1287 days ago · 6 km deep · 32 km away
  14. 1.936 km SSE of Old Harbor, Alaska · 1286 days ago · 24 km deep · 48 km away
  15. 1.526 km SSW of Karluk, Alaska · 1286 days ago · 53 km deep · 91 km away
  16. 1.734 km N of Old Harbor, Alaska · 1286 days ago · 45 km deep · 23 km away
  17. 2.1Kodiak Island region, Alaska · 1285 days ago · 52 km deep · 15 km away
  18. 2.249 km N of Larsen Bay, Alaska · 1284 days ago · 47 km deep · 82 km away
  19. 1.624 km WSW of Aleneva, Alaska · 1281 days ago · 49 km deep · 73 km away
  20. 1.929 km SSW of Karluk, Alaska · 1281 days ago · 48 km deep · 91 km away
  21. 1.737 km W of Aleneva, Alaska · 1281 days ago · 52 km deep · 89 km away
  22. 2.522 km E of Ouzinkie, Alaska · 1279 days ago · 30 km deep · 91 km away
  23. 1.623 km SSW of Womens Bay, Alaska · 1277 days ago · 25 km deep · 28 km away
  24. 1.833 km SSE of Old Harbor, Alaska · 1277 days ago · 18 km deep · 46 km away
  25. 1.628 km WNW of Aleneva, Alaska · 1276 days ago · 54 km deep · 93 km away
  26. 1.79 km NNW of Karluk, Alaska · 1275 days ago · 56 km deep · 89 km away
  27. 3.145 km S of Old Harbor, Alaska · 1274 days ago · 20 km deep · 60 km away
  28. 1.917 km SW of Larsen Bay, Alaska · 1273 days ago · 47 km deep · 65 km away
  29. 2.129 km SSE of Karluk, Alaska · 1272 days ago · 30 km deep · 69 km away
  30. 1.523 km SSW of Karluk, Alaska · 1271 days ago · 49 km deep · 90 km away
  31. 1.910 km SW of Karluk, Alaska · 1270 days ago · 44 km deep · 87 km away
  32. 2.933 km SW of Womens Bay, Alaska · 1270 days ago · 47 km deep · 20 km away
  33. 2.229 km N of Akhiok, Alaska · 1269 days ago · 27 km deep · 58 km away
  34. 1.615 km NE of Karluk, Alaska · 1269 days ago · 43 km deep · 79 km away
  35. 1.944 km N of Larsen Bay, Alaska · 1267 days ago · 58 km deep · 89 km away
  36. 1.6Kodiak Island region, Alaska · 1266 days ago · 60 km deep · 98 km away
  37. 1.616 km E of Larsen Bay, Alaska · 1266 days ago · 9 km deep · 43 km away
  38. 2.59 km SSW of Womens Bay, Alaska · 1263 days ago · 4 km deep · 39 km away
  39. 1.56 km NNE of Karluk, Alaska · 1263 days ago · 55 km deep · 83 km away
  40. 1.58 km WSW of Aleneva, Alaska · 1263 days ago · 40 km deep · 79 km away
  41. 2.216 km SE of Karluk, Alaska · 1261 days ago · 40 km deep · 68 km away
  42. 1.933 km NE of Old Harbor, Alaska · 1258 days ago · 22 km deep · 18 km away
  43. 1.827 km SW of Karluk, Alaska · 1257 days ago · 53 km deep · 99 km away
  44. 1.833 km NNE of Karluk, Alaska · 1256 days ago · 68 km deep · 84 km away
  45. 2.047 km ESE of Chiniak, Alaska · 1254 days ago · 25 km deep · 97 km away
  46. 1.810 km W of Akhiok, Alaska · 1254 days ago · 15 km deep · 84 km away
  47. 1.617 km SSE of Larsen Bay, Alaska · 1251 days ago · 50 km deep · 43 km away
  48. 1.611 km NE of Port Lions, Alaska · 1251 days ago · 39 km deep · 73 km away
  49. 2.2Kodiak Island region, Alaska · 1246 days ago · 26 km deep · 99 km away
  50. 3.119 km SSW of Karluk, Alaska · 1246 days ago · 19 km deep · 88 km away
  51. 1.5Kodiak Island region, Alaska · 1246 days ago · 31 km deep · 86 km away
  52. 1.719 km SSW of Karluk, Alaska · 1245 days ago · 47 km deep · 86 km away
  53. 1.712 km NNE of Old Harbor, Alaska · 1245 days ago · 25 km deep · 6 km away
  54. 1.612 km NNW of Aleneva, Alaska · 1244 days ago · 68 km deep · 92 km away
  55. 2.349 km N of Larsen Bay, Alaska · 1244 days ago · 4 km deep · 83 km away

Before

  1. 2.012 km S of Old Harbor, Alaska · 1301 days ago · 25 km deep · 28 km away
  2. 2.313 km ESE of Larsen Bay, Alaska · 1302 days ago · 47 km deep · 41 km away
  3. 2.35 km SW of Old Harbor, Alaska · 1302 days ago · 18 km deep · 23 km away
  4. 2.032 km WNW of Akhiok, Alaska · 1302 days ago · 40 km deep · 99 km away
  5. 1.8Kodiak Island region, Alaska · 1302 days ago · 31 km deep · 94 km away
  6. 2.245 km SSW of Karluk, Alaska · 1305 days ago · 46 km deep · 100 km away
  7. 1.921 km NNE of Old Harbor, Alaska · 1306 days ago · 33 km deep · 7 km away
  8. 2.132 km SSW of Larsen Bay, Alaska · 1307 days ago · 36 km deep · 64 km away
  9. 1.738 km WSW of Port Lions, Alaska · 1308 days ago · 50 km deep · 55 km away
  10. 1.721 km N of Karluk, Alaska · 1309 days ago · 55 km deep · 89 km away
  11. 2.1Kodiak Island region, Alaska · 1311 days ago · 46 km deep · 48 km away
  12. 3.231 km SSW of Larsen Bay, Alaska · 1312 days ago · 40 km deep · 65 km away
  13. 2.331 km SSW of Larsen Bay, Alaska · 1312 days ago · 39 km deep · 67 km away
  14. 1.926 km WNW of Old Harbor, Alaska · 1312 days ago · 40 km deep · 34 km away
  15. 1.727 km NE of Akhiok, Alaska · 1313 days ago · 4 km deep · 49 km away
  16. 4.632 km SSW of Larsen Bay, Alaska · 1313 days ago · 27 km deep · 67 km away · felt by 3 · tsunami flag
  17. 1.610 km WSW of Port Lions, Alaska · 1314 days ago · 39 km deep · 58 km away
  18. 2.528 km NE of Akhiok, Alaska · 1316 days ago · 44 km deep · 47 km away
  19. 3.130 km N of Akhiok, Alaska · 1316 days ago · 24 km deep · 59 km away
  20. 2.4Kodiak Island region, Alaska · 1318 days ago · 9 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02339pcnup. Read Fri, Oct 2, 2026, 7:11 PM UTC.