Alaska earthquakes

M2.4 earthquake 72 km N of Nikolski, Alaska

A magnitude 2.4 earthquake struck 72 km N of Nikolski, Alaska on Sun, Mar 19, 2023, 11:31 AM AKDT (19:31 UTC), 154 km (95 mi) below the surface.

A larger quake followed: M5.4 71 km WNW of Nikolski, Alaska. This one was a foreshock.

Dutch Harbor 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-03-19 19:31:54 UTC
Depth
153.5 km (95.4 mi), intermediate-depth
Epicenter
53.591° N, 168.896° 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
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.9111 km NNW of Nikolski, Alaska · 1294 days ago · 215 km deep · 61 km away · felt by 2 · tsunami flag
  2. 3.684 km NW of Nikolski, Alaska · 1294 days ago · 226 km deep · 45 km away
  3. 3.092 km SW of Unalaska, Alaska · 1283 days ago · 94 km deep · 94 km away
  4. 1.9Fox Islands, Aleutian Islands, Alaska · 1283 days ago · 84 km deep · 97 km away
  5. 1.5Fox Islands, Aleutian Islands, Alaska · 1282 days ago · 10 km deep · 57 km away
  6. 2.751 km W of Nikolski, Alaska · 1282 days ago · 10 km deep · 91 km away
  7. 1.984 km SW of Unalaska, Alaska · 1281 days ago · 64 km deep · 95 km away
  8. 1.927 km SSE of Nikolski, Alaska · 1279 days ago · 42 km deep · 98 km away
  9. 1.584 km WSW of Unalaska, Alaska · 1276 days ago · 7 km deep · 77 km away
  10. 2.672 km ENE of Nikolski, Alaska · 1274 days ago · 66 km deep · 84 km away
  11. 2.445 km E of Nikolski, Alaska · 1268 days ago · 58 km deep · 92 km away
  12. 3.221 km ENE of Nikolski, Alaska · 1265 days ago · 78 km deep · 67 km away
  13. 2.6Fox Islands, Aleutian Islands, Alaska · 1265 days ago · 10 km deep · 90 km away
  14. 2.998 km WNW of Nikolski, Alaska · 1261 days ago · 125 km deep · 96 km away
  15. 1.778 km ENE of Nikolski, Alaska · 1258 days ago · 70 km deep · 77 km away
  16. 1.990 km WSW of Unalaska, Alaska · 1257 days ago · 87 km deep · 77 km away
  17. 1.672 km WSW of Unalaska, Alaska · 1251 days ago · 13 km deep · 95 km away
  18. 2.324 km SE of Nikolski, Alaska · 1250 days ago · 69 km deep · 93 km away
  19. 1.576 km SW of Unalaska, Alaska · 1250 days ago · 13 km deep · 93 km away
  20. 1.763 km NE of Nikolski, Alaska · 1249 days ago · -1 km deep · 47 km away
  21. 2.049 km NW of Nikolski, Alaska · 1249 days ago · 20 km deep · 45 km away
  22. 2.445 km N of Nikolski, Alaska · 1247 days ago · 155 km deep · 27 km away
  23. 2.162 km E of Nikolski, Alaska · 1245 days ago · 57 km deep · 92 km away
  24. 2.166 km WSW of Dutch Harbor, Alaska · 1245 days ago · 78 km deep · 92 km away
  25. 1.570 km WSW of Unalaska, Alaska · 1245 days ago · 7 km deep · 96 km away
  26. 4.959 km WSW of Unalaska, Alaska · 1245 days ago · 92 km deep · 100 km away · felt by 6
  27. 5.471 km WNW of Nikolski, Alaska · 1240 days ago · 112 km deep · 72 km away · tsunami flag
  28. 2.744 km ESE of Nikolski, Alaska · 1240 days ago · 35 km deep · 99 km away
  29. 2.636 km WSW of Nikolski, Alaska · 1240 days ago · 10 km deep · 90 km away
  30. 2.352 km WNW of Nikolski, Alaska · 1240 days ago · 97 km deep · 68 km away
  31. 2.9Fox Islands, Aleutian Islands, Alaska · 1239 days ago · 103 km deep · 69 km away
  32. 3.3Fox Islands, Aleutian Islands, Alaska · 1238 days ago · 61 km deep · 88 km away
  33. 3.839 km ESE of Nikolski, Alaska · 1237 days ago · 48 km deep · 92 km away · felt by 1
  34. 3.148 km W of Nikolski, Alaska · 1237 days ago · 10 km deep · 81 km away

Before

  1. 2.890 km ENE of Nikolski, Alaska · 1299 days ago · 80 km deep · 80 km away
  2. 2.176 km SW of Unalaska, Alaska · 1300 days ago · 13 km deep · 98 km away
  3. 1.956 km W of Nikolski, Alaska · 1303 days ago · -3 km deep · 97 km away
  4. 2.771 km ENE of Nikolski, Alaska · 1303 days ago · 54 km deep · 87 km away
  5. 2.349 km ESE of Nikolski, Alaska · 1305 days ago · 26 km deep · 100 km away
  6. 1.873 km WSW of Unalaska, Alaska · 1306 days ago · 13 km deep · 90 km away
  7. 3.492 km NE of Nikolski, Alaska · 1310 days ago · 90 km deep · 67 km away
  8. 2.656 km E of Nikolski, Alaska · 1312 days ago · 69 km deep · 86 km away
  9. 2.140 km WNW of Nikolski, Alaska · 1314 days ago · 20 km deep · 60 km away
  10. 2.5Fox Islands, Aleutian Islands, Alaska · 1320 days ago · 62 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0233lbf2c8. Read Mon, Oct 5, 2026, 3:52 AM UTC.