Alaska earthquakes

M1.5 earthquake 23 km ESE of Unalaska, Alaska

A magnitude 1.5 earthquake struck 23 km ESE of Unalaska, Alaska on Fri, Sep 1, 2017, 7:28 PM AKDT (03:28 UTC), 73 km (45 mi) below the surface.

A larger quake followed: M4.1 67 km SW of Unalaska, 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
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-09-02 03:28:07 UTC
Depth
72.8 km (45.2 mi), intermediate-depth
Epicenter
53.784° N, 166.217° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 1.571 km SW of Unalaska, Alaska · 3317 days ago · 70 km deep · 79 km away
  2. 1.928 km SSW of Akutan, Alaska · 3317 days ago · 71 km deep · 24 km away
  3. 1.726 km E of Unalaska, Alaska · 3316 days ago · 86 km deep · 9 km away
  4. 2.025 km SE of Unalaska, Alaska · 3316 days ago · 75 km deep · 6 km away
  5. 2.115 km SSE of Unalaska, Alaska · 3316 days ago · 87 km deep · 18 km away
  6. 2.081 km S of Unalaska, Alaska · 3313 days ago · 26 km deep · 78 km away
  7. 1.674 km S of Unalaska, Alaska · 3313 days ago · 23 km deep · 71 km away
  8. 2.480 km SSW of Unalaska, Alaska · 3313 days ago · 26 km deep · 80 km away
  9. 1.530 km S of Akutan, Alaska · 3313 days ago · 77 km deep · 27 km away
  10. 3.767 km SE of Unalaska, Alaska · 3312 days ago · 26 km deep · 46 km away
  11. 1.575 km SE of Unalaska, Alaska · 3312 days ago · 26 km deep · 54 km away
  12. 3.776 km SE of Unalaska, Alaska · 3312 days ago · 38 km deep · 54 km away
  13. 1.768 km SE of Unalaska, Alaska · 3312 days ago · 31 km deep · 46 km away
  14. 3.768 km SE of Unalaska, Alaska · 3312 days ago · 41 km deep · 47 km away
  15. 1.867 km SE of Unalaska, Alaska · 3311 days ago · 25 km deep · 46 km away
  16. 2.180 km SE of Akutan, Alaska · 3311 days ago · 48 km deep · 92 km away
  17. 1.997 km SE of Unalaska, Alaska · 3311 days ago · 4 km deep · 78 km away
  18. 1.890 km SSE of Akutan, Alaska · 3310 days ago · 28 km deep · 82 km away
  19. 1.772 km SSE of Unalaska, Alaska · 3309 days ago · 21 km deep · 59 km away
  20. 1.868 km SE of Unalaska, Alaska · 3309 days ago · 28 km deep · 47 km away
  21. 2.479 km S of Unalaska, Alaska · 3309 days ago · 26 km deep · 75 km away
  22. 1.679 km SW of Unalaska, Alaska · 3309 days ago · 13 km deep · 88 km away
  23. 1.835 km ESE of Unalaska, Alaska · 3308 days ago · 69 km deep · 12 km away
  24. 1.667 km WSW of Unalaska, Alaska · 3308 days ago · 7 km deep · 83 km away
  25. 1.643 km SE of Akutan, Alaska · 3308 days ago · 54 km deep · 55 km away
  26. 2.471 km SSW of Unalaska, Alaska · 3307 days ago · 13 km deep · 75 km away
  27. 3.382 km S of Unalaska, Alaska · 3307 days ago · 26 km deep · 79 km away
  28. 1.972 km SSW of Unalaska, Alaska · 3307 days ago · 45 km deep · 71 km away
  29. 1.521 km WSW of Unalaska, Alaska · 3307 days ago · 8 km deep · 39 km away
  30. 3.169 km WSW of Unalaska, Alaska · 3306 days ago · 26 km deep · 86 km away
  31. 2.371 km WSW of Unalaska, Alaska · 3306 days ago · 13 km deep · 86 km away
  32. 1.731 km SE of Unalaska, Alaska · 3306 days ago · 69 km deep · 10 km away
  33. 1.671 km WSW of Unalaska, Alaska · 3305 days ago · 11 km deep · 86 km away
  34. 1.962 km ESE of Akutan, Alaska · 3305 days ago · 70 km deep · 93 km away
  35. 1.875 km SE of Unalaska, Alaska · 3305 days ago · 22 km deep · 54 km away
  36. 2.091 km SE of Akutan, Alaska · 3305 days ago · 49 km deep · 98 km away
  37. 3.567 km SE of Unalaska, Alaska · 3304 days ago · 31 km deep · 47 km away
  38. 3.580 km S of Unalaska, Alaska · 3304 days ago · 45 km deep · 77 km away
  39. 1.626 km SE of Unalaska, Alaska · 3304 days ago · 69 km deep · 8 km away
  40. 2.613 km ESE of Akutan, Alaska · 3303 days ago · 122 km deep · 54 km away
  41. 1.527 km W of Dutch Harbor, Alaska · 3302 days ago · 7 km deep · 51 km away
  42. 1.913 km SE of Unalaska, Alaska · 3301 days ago · 7 km deep · 12 km away
  43. 1.666 km SW of Unalaska, Alaska · 3301 days ago · 14 km deep · 77 km away
  44. 3.578 km SE of Akutan, Alaska · 3301 days ago · 51 km deep · 82 km away
  45. 3.180 km SE of Akutan, Alaska · 3301 days ago · 59 km deep · 81 km away
  46. 2.877 km SE of Akutan, Alaska · 3301 days ago · 54 km deep · 78 km away
  47. 2.389 km SE of Akutan, Alaska · 3301 days ago · 55 km deep · 99 km away
  48. 1.670 km WSW of Unalaska, Alaska · 3300 days ago · 10 km deep · 86 km away
  49. 1.944 km ESE of Akutan, Alaska · 3299 days ago · 44 km deep · 70 km away
  50. 1.778 km SE of Unalaska, Alaska · 3299 days ago · 20 km deep · 57 km away
  51. 2.019 km W of Dutch Harbor, Alaska · 3298 days ago · 5 km deep · 42 km away
  52. 1.548 km SW of Unalaska, Alaska · 3297 days ago · 17 km deep · 60 km away
  53. 1.619 km WSW of Dutch Harbor, Alaska · 3296 days ago · 6 km deep · 41 km away
  54. 1.718 km W of Dutch Harbor, Alaska · 3296 days ago · 7 km deep · 41 km away
  55. 2.351 km E of Akutan, Alaska · 3296 days ago · 75 km deep · 85 km away
  56. 1.874 km SSE of Akutan, Alaska · 3296 days ago · 6 km deep · 60 km away
  57. 1.980 km S of Unalaska, Alaska · 3295 days ago · 26 km deep · 76 km away
  58. 1.859 km SE of Akutan, Alaska · 3294 days ago · 44 km deep · 64 km away
  59. 1.872 km SE of Unalaska, Alaska · 3292 days ago · 20 km deep · 50 km away
  60. 2.4116 km SSE of Unalaska, Alaska · 3291 days ago · 13 km deep · 98 km away

The first 60 of 118.

Before

  1. 1.869 km S of Akutan, Alaska · 3320 days ago · 21 km deep · 49 km away
  2. 2.372 km SSE of Akutan, Alaska · 3320 days ago · 47 km deep · 61 km away
  3. 3.5118 km SSE of Unalaska, Alaska · 3321 days ago · 11 km deep · 100 km away
  4. 1.918 km SE of Akutan, Alaska · 3321 days ago · 72 km deep · 52 km away
  5. 1.976 km SE of Unalaska, Alaska · 3322 days ago · 22 km deep · 56 km away
  6. 1.971 km SSE of Akutan, Alaska · 3323 days ago · 52 km deep · 62 km away
  7. 2.945 km S of Akutan, Alaska · 3326 days ago · 70 km deep · 26 km away
  8. 1.772 km S of Akutan, Alaska · 3326 days ago · 20 km deep · 50 km away
  9. 1.577 km SSW of Unalaska, Alaska · 3327 days ago · 2 km deep · 82 km away
  10. 1.673 km WSW of Unalaska, Alaska · 3328 days ago · 13 km deep · 90 km away
  11. 2.271 km WSW of Unalaska, Alaska · 3328 days ago · 13 km deep · 89 km away
  12. 1.730 km SE of Unalaska, Alaska · 3329 days ago · 72 km deep · 11 km away
  13. 2.064 km SSE of Akutan, Alaska · 3330 days ago · 48 km deep · 60 km away
  14. 2.367 km SSE of Akutan, Alaska · 3331 days ago · 32 km deep · 65 km away
  15. 1.663 km SSE of Akutan, Alaska · 3331 days ago · 56 km deep · 59 km away
  16. 1.568 km WSW of Unalaska, Alaska · 3331 days ago · 16 km deep · 84 km away
  17. 2.130 km WSW of Unalaska, Alaska · 3331 days ago · 10 km deep · 48 km away
  18. 1.873 km S of Unalaska, Alaska · 3333 days ago · 36 km deep · 70 km away
  19. 2.979 km S of Unalaska, Alaska · 3333 days ago · 35 km deep · 74 km away
  20. 2.073 km WSW of Unalaska, Alaska · 3333 days ago · 13 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017b98mcfu (also filed as ak16751067). Read Fri, Oct 2, 2026, 3:45 AM UTC.