Alaska earthquakes

M1.9 earthquake 72 km SSW of Unalaska, Alaska

A magnitude 1.9 earthquake struck 72 km SSW of Unalaska, Alaska on Mon, Sep 11, 2017, 9:41 PM AKDT (05:41 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.6 109 km S of Unalaska, Alaska. This one was a foreshock.

Unalaska 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-09-12 05:41:56 UTC
Depth
44.5 km (27.7 mi), shallow
Epicenter
53.235° N, 166.763° 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
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 67 in the 30 days before it.

After

  1. 1.521 km WSW of Unalaska, Alaska · 3306 days ago · 8 km deep · 60 km away
  2. 3.169 km WSW of Unalaska, Alaska · 3306 days ago · 26 km deep · 66 km away
  3. 2.371 km WSW of Unalaska, Alaska · 3306 days ago · 13 km deep · 55 km away
  4. 1.731 km SE of Unalaska, Alaska · 3306 days ago · 69 km deep · 67 km away
  5. 2.1126 km S of Unalaska, Alaska · 3305 days ago · 39 km deep · 58 km away
  6. 1.671 km WSW of Unalaska, Alaska · 3305 days ago · 11 km deep · 57 km away
  7. 1.875 km SE of Unalaska, Alaska · 3304 days ago · 22 km deep · 74 km away
  8. 3.567 km SE of Unalaska, Alaska · 3304 days ago · 31 km deep · 59 km away
  9. 3.580 km S of Unalaska, Alaska · 3304 days ago · 45 km deep · 8 km away
  10. 1.626 km SE of Unalaska, Alaska · 3304 days ago · 69 km deep · 64 km away
  11. 1.527 km W of Dutch Harbor, Alaska · 3301 days ago · 7 km deep · 75 km away
  12. 1.913 km SE of Unalaska, Alaska · 3301 days ago · 7 km deep · 66 km away
  13. 1.666 km SW of Unalaska, Alaska · 3301 days ago · 14 km deep · 39 km away
  14. 1.670 km WSW of Unalaska, Alaska · 3300 days ago · 10 km deep · 60 km away
  15. 1.778 km SE of Unalaska, Alaska · 3299 days ago · 20 km deep · 76 km away
  16. 2.019 km W of Dutch Harbor, Alaska · 3298 days ago · 5 km deep · 71 km away
  17. 1.548 km SW of Unalaska, Alaska · 3297 days ago · 17 km deep · 40 km away
  18. 1.619 km WSW of Dutch Harbor, Alaska · 3296 days ago · 6 km deep · 68 km away
  19. 1.718 km W of Dutch Harbor, Alaska · 3296 days ago · 7 km deep · 70 km away
  20. 1.874 km SSE of Akutan, Alaska · 3296 days ago · 6 km deep · 92 km away
  21. 1.980 km S of Unalaska, Alaska · 3294 days ago · 26 km deep · 9 km away
  22. 1.872 km SE of Unalaska, Alaska · 3292 days ago · 20 km deep · 78 km away
  23. 2.4116 km SSE of Unalaska, Alaska · 3291 days ago · 13 km deep · 80 km away
  24. 4.3120 km SSE of Unalaska, Alaska · 3291 days ago · 25 km deep · 84 km away
  25. 2.075 km SSE of Akutan, Alaska · 3290 days ago · 42 km deep · 97 km away
  26. 2.1124 km S of Unalaska, Alaska · 3288 days ago · 15 km deep · 53 km away
  27. 1.884 km SSW of Unalaska, Alaska · 3288 days ago · 26 km deep · 11 km away
  28. 1.677 km SE of Unalaska, Alaska · 3287 days ago · 26 km deep · 79 km away
  29. 1.553 km SSE of Unalaska, Alaska · 3286 days ago · 45 km deep · 49 km away
  30. 2.737 km S of Unalaska, Alaska · 3286 days ago · 57 km deep · 38 km away
  31. 2.781 km E of Nikolski, Alaska · 3286 days ago · 32 km deep · 65 km away
  32. 2.684 km S of Unalaska, Alaska · 3285 days ago · 29 km deep · 12 km away
  33. 1.863 km SE of Unalaska, Alaska · 3285 days ago · 24 km deep · 70 km away
  34. 1.639 km SSE of Unalaska, Alaska · 3285 days ago · 24 km deep · 47 km away
  35. 1.749 km SSE of Akutan, Alaska · 3284 days ago · 2 km deep · 94 km away
  36. 2.645 km S of Akutan, Alaska · 3284 days ago · 76 km deep · 82 km away
  37. 2.290 km SE of Unalaska, Alaska · 3283 days ago · 20 km deep · 76 km away
  38. 2.1Fox Islands, Aleutian Islands, Alaska · 3281 days ago · 76 km deep · 8 km away
  39. 1.765 km SW of Unalaska, Alaska · 3279 days ago · 14 km deep · 42 km away
  40. 4.167 km SW of Unalaska, Alaska · 3279 days ago · 96 km deep · 32 km away
  41. 1.571 km SW of Unalaska, Alaska · 3278 days ago · 13 km deep · 48 km away
  42. 1.89 km SSE of Unalaska, Alaska · 3278 days ago · 79 km deep · 65 km away
  43. 2.160 km SW of Unalaska, Alaska · 3276 days ago · 15 km deep · 44 km away
  44. 2.078 km E of Nikolski, Alaska · 3276 days ago · 37 km deep · 72 km away
  45. 1.757 km SW of Unalaska, Alaska · 3273 days ago · 17 km deep · 45 km away
  46. 1.797 km ENE of Nikolski, Alaska · 3273 days ago · 48 km deep · 47 km away
  47. 1.677 km S of Unalaska, Alaska · 3272 days ago · 22 km deep · 11 km away
  48. 1.950 km SE of Unalaska, Alaska · 3271 days ago · 26 km deep · 56 km away
  49. 2.280 km E of Nikolski, Alaska · 3270 days ago · 26 km deep · 73 km away
  50. 2.048 km SSE of Akutan, Alaska · 3270 days ago · 57 km deep · 94 km away
  51. 1.764 km SE of Unalaska, Alaska · 3269 days ago · 7 km deep · 71 km away
  52. 1.966 km SSE of Akutan, Alaska · 3268 days ago · 24 km deep · 95 km away
  53. 1.872 km SE of Unalaska, Alaska · 3268 days ago · 21 km deep · 70 km away
  54. 2.3111 km E of Nikolski, Alaska · 3268 days ago · 26 km deep · 60 km away
  55. 1.944 km SE of Unalaska, Alaska · 3268 days ago · 51 km deep · 66 km away
  56. 2.076 km SSE of Akutan, Alaska · 3267 days ago · 22 km deep · 96 km away
  57. 1.759 km SE of Unalaska, Alaska · 3266 days ago · 39 km deep · 64 km away
  58. 2.082 km SW of Unalaska, Alaska · 3266 days ago · 75 km deep · 48 km away
  59. 2.631 km ESE of Unalaska, Alaska · 3266 days ago · 72 km deep · 68 km away
  60. 1.782 km SE of Unalaska, Alaska · 3265 days ago · 18 km deep · 76 km away

The first 60 of 100.

Before

  1. 3.382 km S of Unalaska, Alaska · 3307 days ago · 26 km deep · 11 km away
  2. 2.471 km SSW of Unalaska, Alaska · 3307 days ago · 13 km deep · 17 km away
  3. 1.667 km WSW of Unalaska, Alaska · 3307 days ago · 7 km deep · 57 km away
  4. 1.835 km ESE of Unalaska, Alaska · 3308 days ago · 69 km deep · 71 km away
  5. 1.679 km SW of Unalaska, Alaska · 3308 days ago · 13 km deep · 38 km away
  6. 2.479 km S of Unalaska, Alaska · 3308 days ago · 26 km deep · 9 km away
  7. 1.868 km SE of Unalaska, Alaska · 3308 days ago · 28 km deep · 70 km away
  8. 1.772 km SSE of Unalaska, Alaska · 3309 days ago · 21 km deep · 38 km away
  9. 1.997 km SE of Unalaska, Alaska · 3310 days ago · 4 km deep · 71 km away
  10. 1.867 km SE of Unalaska, Alaska · 3311 days ago · 25 km deep · 71 km away
  11. 3.768 km SE of Unalaska, Alaska · 3311 days ago · 41 km deep · 69 km away
  12. 1.768 km SE of Unalaska, Alaska · 3311 days ago · 31 km deep · 70 km away
  13. 3.776 km SE of Unalaska, Alaska · 3311 days ago · 38 km deep · 74 km away
  14. 1.575 km SE of Unalaska, Alaska · 3312 days ago · 26 km deep · 73 km away
  15. 3.767 km SE of Unalaska, Alaska · 3312 days ago · 26 km deep · 69 km away
  16. 1.530 km S of Akutan, Alaska · 3312 days ago · 77 km deep · 93 km away
  17. 2.480 km SSW of Unalaska, Alaska · 3313 days ago · 26 km deep · 9 km away
  18. 1.674 km S of Unalaska, Alaska · 3313 days ago · 23 km deep · 5 km away
  19. 2.081 km S of Unalaska, Alaska · 3313 days ago · 26 km deep · 11 km away
  20. 2.115 km SSE of Unalaska, Alaska · 3315 days ago · 87 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017bpt9kov (also filed as ak16820948). Read Thu, Oct 1, 2026, 7:49 PM UTC.