Alaska earthquakes

M1.7 earthquake 58 km SSE of Unalaska, Alaska

A magnitude 1.7 earthquake struck 58 km SSE of Unalaska, Alaska on Sun, Feb 19, 2023, 6:55 PM AKST (03:55 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.9 Fox Islands, Aleutian Islands, 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
1.7 (ml), micro
Local time
UTC
2023-02-20 03:55:24 UTC
Depth
25.5 km (15.8 mi), shallow
Epicenter
53.367° N, 166.291° 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
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 72 in the 30 days before it.

After

  1. 1.672 km SW of Unalaska, Alaska · 1318 days ago · 13 km deep · 73 km away
  2. 2.666 km SE of Akutan, Alaska · 1317 days ago · 35 km deep · 80 km away
  3. 2.184 km SSE of Akutan, Alaska · 1316 days ago · 13 km deep · 70 km away
  4. 2.724 km SE of Unalaska, Alaska · 1316 days ago · 80 km deep · 39 km away
  5. 1.955 km S of Unalaska, Alaska · 1315 days ago · 55 km deep · 18 km away
  6. 2.078 km SSE of Akutan, Alaska · 1315 days ago · 37 km deep · 67 km away
  7. 2.054 km SSE of Akutan, Alaska · 1315 days ago · 79 km deep · 67 km away
  8. 2.1Fox Islands, Aleutian Islands, Alaska · 1314 days ago · 69 km deep · 70 km away
  9. 1.971 km SSE of Akutan, Alaska · 1314 days ago · 18 km deep · 67 km away
  10. 2.945 km SSE of Unalaska, Alaska · 1313 days ago · 66 km deep · 18 km away
  11. 2.815 km NW of Dutch Harbor, Alaska · 1313 days ago · 112 km deep · 73 km away
  12. 2.5Fox Islands, Aleutian Islands, Alaska · 1313 days ago · 68 km deep · 71 km away
  13. 3.6102 km SSE of Akutan, Alaska · 1313 days ago · 35 km deep · 78 km away
  14. 1.647 km WSW of Unalaska, Alaska · 1311 days ago · 15 km deep · 66 km away
  15. 1.930 km SSW of Akutan, Alaska · 1310 days ago · 72 km deep · 62 km away
  16. 1.981 km SSW of Unalaska, Alaska · 1310 days ago · 18 km deep · 49 km away
  17. 2.884 km SSW of Unalaska, Alaska · 1310 days ago · 35 km deep · 47 km away
  18. 1.69 km NNE of Dutch Harbor, Alaska · 1310 days ago · 7 km deep · 68 km away
  19. 2.497 km SE of Akutan, Alaska · 1310 days ago · 16 km deep · 96 km away
  20. 3.242 km SW of Unalaska, Alaska · 1308 days ago · 80 km deep · 49 km away
  21. 2.891 km SE of Akutan, Alaska · 1308 days ago · 35 km deep · 88 km away
  22. 2.171 km SSE of Akutan, Alaska · 1307 days ago · 55 km deep · 67 km away
  23. 1.549 km SW of Unalaska, Alaska · 1307 days ago · 9 km deep · 59 km away
  24. 2.1114 km SSE of Akutan, Alaska · 1307 days ago · 2 km deep · 93 km away
  25. 2.7Fox Islands, Aleutian Islands, Alaska · 1306 days ago · 10 km deep · 91 km away
  26. 2.554 km SW of Unalaska, Alaska · 1306 days ago · 9 km deep · 49 km away
  27. 2.248 km SE of Akutan, Alaska · 1306 days ago · 53 km deep · 85 km away
  28. 1.966 km SE of Unalaska, Alaska · 1305 days ago · 22 km deep · 37 km away
  29. 2.867 km SE of Unalaska, Alaska · 1305 days ago · 35 km deep · 37 km away
  30. 2.130 km SW of Akutan, Alaska · 1303 days ago · 82 km deep · 63 km away
  31. 2.793 km S of Unalaska, Alaska · 1303 days ago · 20 km deep · 38 km away
  32. 3.8142 km S of Unalaska, Alaska · 1302 days ago · 25 km deep · 86 km away
  33. 2.5147 km S of Unalaska, Alaska · 1302 days ago · 26 km deep · 91 km away
  34. 2.0129 km ESE of Nikolski, Alaska · 1302 days ago · 13 km deep · 94 km away
  35. 1.873 km WSW of Unalaska, Alaska · 1302 days ago · 13 km deep · 86 km away
  36. 2.626 km SSW of Unalaska, Alaska · 1301 days ago · 84 km deep · 42 km away
  37. 2.979 km SSE of Unalaska, Alaska · 1300 days ago · 35 km deep · 23 km away
  38. 1.872 km SSE of Unalaska, Alaska · 1300 days ago · 42 km deep · 20 km away
  39. 1.880 km SSE of Akutan, Alaska · 1300 days ago · 17 km deep · 72 km away
  40. 1.742 km S of Unalaska, Alaska · 1299 days ago · 72 km deep · 20 km away
  41. 2.348 km ESE of Unalaska, Alaska · 1299 days ago · 42 km deep · 46 km away
  42. 1.571 km SSE of Akutan, Alaska · 1299 days ago · 25 km deep · 63 km away
  43. 1.674 km SSE of Akutan, Alaska · 1299 days ago · 50 km deep · 63 km away
  44. 2.086 km SE of Akutan, Alaska · 1298 days ago · 25 km deep · 94 km away
  45. 3.4Fox Islands, Aleutian Islands, Alaska · 1297 days ago · 35 km deep · 36 km away
  46. 2.379 km SSE of Akutan, Alaska · 1297 days ago · 26 km deep · 60 km away
  47. 1.971 km SE of Akutan, Alaska · 1297 days ago · 40 km deep · 87 km away
  48. 2.070 km SE of Unalaska, Alaska · 1297 days ago · 21 km deep · 28 km away
  49. 2.170 km SSW of Unalaska, Alaska · 1296 days ago · 47 km deep · 41 km away
  50. 2.176 km SW of Unalaska, Alaska · 1296 days ago · 13 km deep · 76 km away
  51. 2.6Fox Islands, Aleutian Islands, Alaska · 1295 days ago · 10 km deep · 93 km away
  52. 2.890 km ENE of Nikolski, Alaska · 1295 days ago · 80 km deep · 96 km away
  53. 3.481 km S of Unalaska, Alaska · 1294 days ago · 35 km deep · 37 km away
  54. 2.2Fox Islands, Aleutian Islands, Alaska · 1294 days ago · 26 km deep · 34 km away
  55. 2.062 km SE of Unalaska, Alaska · 1292 days ago · 41 km deep · 34 km away
  56. 1.669 km SE of Unalaska, Alaska · 1291 days ago · 25 km deep · 41 km away
  57. 1.659 km SE of Unalaska, Alaska · 1291 days ago · 39 km deep · 37 km away
  58. 1.513 km WSW of Unalaska, Alaska · 1291 days ago · 10 km deep · 58 km away
  59. 2.253 km W of Dutch Harbor, Alaska · 1291 days ago · 79 km deep · 85 km away
  60. 2.225 km SSW of Unalaska, Alaska · 1290 days ago · 71 km deep · 43 km away

The first 60 of 191.

Before

  1. 1.767 km S of Unalaska, Alaska · 1319 days ago · 30 km deep · 14 km away
  2. 2.8107 km SE of Unalaska, Alaska · 1319 days ago · 35 km deep · 63 km away
  3. 1.995 km SW of Unalaska, Alaska · 1320 days ago · 18 km deep · 76 km away
  4. 2.0107 km E of Nikolski, Alaska · 1321 days ago · 26 km deep · 81 km away
  5. 1.962 km SE of Akutan, Alaska · 1321 days ago · 25 km deep · 83 km away
  6. 1.612 km SW of Akutan, Alaska · 1321 days ago · 15 km deep · 80 km away
  7. 1.620 km WSW of Dutch Harbor, Alaska · 1321 days ago · 7 km deep · 64 km away
  8. 2.5Fox Islands, Aleutian Islands, Alaska · 1322 days ago · 30 km deep · 27 km away
  9. 1.7Fox Islands, Aleutian Islands, Alaska · 1323 days ago · 5 km deep · 62 km away
  10. 1.78 km ENE of Unalaska, Alaska · 1323 days ago · 6 km deep · 60 km away
  11. 2.574 km SSE of Akutan, Alaska · 1323 days ago · 30 km deep · 65 km away
  12. 2.3131 km SSW of Unalaska, Alaska · 1324 days ago · 11 km deep · 84 km away
  13. 2.6Fox Islands, Aleutian Islands, Alaska · 1324 days ago · 8 km deep · 50 km away
  14. 1.957 km SW of Unalaska, Alaska · 1324 days ago · 21 km deep · 55 km away
  15. 2.856 km SW of Unalaska, Alaska · 1325 days ago · 20 km deep · 60 km away
  16. 1.727 km SSE of Akutan, Alaska · 1326 days ago · 69 km deep · 77 km away
  17. 3.027 km SE of Unalaska, Alaska · 1326 days ago · 76 km deep · 35 km away
  18. 2.2132 km ESE of Nikolski, Alaska · 1327 days ago · 10 km deep · 91 km away
  19. 2.255 km SSE of Unalaska, Alaska · 1327 days ago · 51 km deep · 17 km away
  20. 2.191 km E of Nikolski, Alaska · 1328 days ago · 52 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0232ceiuba. Read Wed, Sep 30, 2026, 6:25 PM UTC.