Alaska earthquakes

M1.8 earthquake 50 km SW of Unalaska, Alaska

A magnitude 1.8 earthquake struck 50 km SW of Unalaska, Alaska on Tue, Jul 4, 2017, 3:22 PM AKDT (23:22 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.4 63 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-07-04 23:22:24 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
53.551° N, 167.061° 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
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 1.739 km S of Unalaska, Alaska · 3376 days ago · 66 km deep · 29 km away
  2. 2.048 km SW of Unalaska, Alaska · 3375 days ago · 17 km deep · 4 km away
  3. 1.849 km SW of Unalaska, Alaska · 3375 days ago · 21 km deep · 2 km away
  4. 2.250 km SW of Unalaska, Alaska · 3375 days ago · 17 km deep · 1 km away
  5. 2.654 km SSW of Unalaska, Alaska · 3375 days ago · 59 km deep · 28 km away
  6. 1.983 km SSW of Unalaska, Alaska · 3375 days ago · 18 km deep · 48 km away
  7. 2.946 km SSW of Unalaska, Alaska · 3373 days ago · 91 km deep · 24 km away
  8. 2.048 km SW of Unalaska, Alaska · 3371 days ago · 17 km deep · 1 km away
  9. 2.3112 km SSW of Unalaska, Alaska · 3371 days ago · 25 km deep · 70 km away
  10. 1.5Fox Islands, Aleutian Islands, Alaska · 3370 days ago · 48 km deep · 63 km away
  11. 1.636 km W of Dutch Harbor, Alaska · 3369 days ago · 8 km deep · 36 km away
  12. 1.675 km SSE of Unalaska, Alaska · 3369 days ago · 8 km deep · 72 km away
  13. 1.7Fox Islands, Aleutian Islands, Alaska · 3367 days ago · 41 km deep · 88 km away
  14. 2.951 km SE of Unalaska, Alaska · 3367 days ago · 39 km deep · 67 km away
  15. 1.558 km SW of Unalaska, Alaska · 3367 days ago · 13 km deep · 13 km away
  16. 2.378 km SSW of Unalaska, Alaska · 3366 days ago · 23 km deep · 45 km away
  17. 1.634 km SW of Unalaska, Alaska · 3365 days ago · 76 km deep · 17 km away
  18. 2.1Fox Islands, Aleutian Islands, Alaska · 3365 days ago · 77 km deep · 97 km away
  19. 1.766 km SW of Unalaska, Alaska · 3365 days ago · 13 km deep · 20 km away
  20. 2.065 km ENE of Nikolski, Alaska · 3363 days ago · 61 km deep · 75 km away
  21. 2.233 km SSW of Unalaska, Alaska · 3363 days ago · 74 km deep · 21 km away
  22. 2.090 km SW of Unalaska, Alaska · 3362 days ago · 26 km deep · 42 km away
  23. 2.475 km SSW of Unalaska, Alaska · 3362 days ago · 46 km deep · 30 km away
  24. 3.369 km SE of Unalaska, Alaska · 3362 days ago · 36 km deep · 87 km away
  25. 1.771 km SE of Unalaska, Alaska · 3362 days ago · 18 km deep · 90 km away
  26. 1.883 km SW of Unalaska, Alaska · 3362 days ago · 26 km deep · 33 km away
  27. 1.794 km E of Nikolski, Alaska · 3361 days ago · 47 km deep · 81 km away
  28. 2.556 km SW of Unalaska, Alaska · 3360 days ago · 83 km deep · 7 km away
  29. 1.543 km SSE of Unalaska, Alaska · 3359 days ago · 56 km deep · 46 km away
  30. 2.780 km SE of Unalaska, Alaska · 3358 days ago · 24 km deep · 91 km away
  31. 1.671 km SE of Unalaska, Alaska · 3357 days ago · 20 km deep · 91 km away
  32. 1.766 km SW of Unalaska, Alaska · 3356 days ago · 78 km deep · 17 km away
  33. 2.317 km S of Unalaska, Alaska · 3356 days ago · 91 km deep · 38 km away
  34. 1.994 km E of Nikolski, Alaska · 3356 days ago · 26 km deep · 86 km away
  35. 2.396 km E of Nikolski, Alaska · 3355 days ago · 48 km deep · 78 km away
  36. 2.397 km E of Nikolski, Alaska · 3355 days ago · 52 km deep · 69 km away
  37. 1.648 km SW of Unalaska, Alaska · 3354 days ago · 23 km deep · 10 km away
  38. 1.848 km SE of Unalaska, Alaska · 3353 days ago · 45 km deep · 69 km away
  39. 1.886 km E of Nikolski, Alaska · 3351 days ago · 12 km deep · 76 km away
  40. 1.870 km ENE of Nikolski, Alaska · 3351 days ago · 72 km deep · 69 km away
  41. 1.884 km S of Unalaska, Alaska · 3350 days ago · 17 km deep · 57 km away
  42. 2.579 km SW of Unalaska, Alaska · 3349 days ago · 66 km deep · 30 km away
  43. 3.186 km SSW of Unalaska, Alaska · 3349 days ago · 35 km deep · 51 km away
  44. 1.982 km SSW of Unalaska, Alaska · 3348 days ago · 28 km deep · 47 km away
  45. 1.835 km S of Akutan, Alaska · 3347 days ago · 85 km deep · 90 km away
  46. 1.659 km WSW of Unalaska, Alaska · 3346 days ago · 21 km deep · 18 km away
  47. 1.957 km SW of Unalaska, Alaska · 3346 days ago · 7 km deep · 11 km away
  48. 2.1Fox Islands, Aleutian Islands, Alaska · 3346 days ago · 72 km deep · 54 km away
  49. 2.074 km S of Unalaska, Alaska · 3345 days ago · 26 km deep · 55 km away
  50. 2.077 km S of Unalaska, Alaska · 3344 days ago · 25 km deep · 47 km away
  51. 1.774 km S of Unalaska, Alaska · 3343 days ago · 26 km deep · 54 km away
  52. 1.824 km SE of Unalaska, Alaska · 3342 days ago · 72 km deep · 59 km away
  53. 3.463 km S of Unalaska, Alaska · 3342 days ago · 91 km deep · 35 km away
  54. 1.893 km SE of Unalaska, Alaska · 3342 days ago · 36 km deep · 100 km away
  55. 1.870 km E of Nikolski, Alaska · 3340 days ago · 45 km deep · 82 km away
  56. 2.878 km SE of Unalaska, Alaska · 3340 days ago · 17 km deep · 90 km away
  57. 1.682 km S of Unalaska, Alaska · 3339 days ago · 26 km deep · 50 km away
  58. 1.859 km E of Nikolski, Alaska · 3339 days ago · 25 km deep · 98 km away
  59. 2.273 km S of Unalaska, Alaska · 3339 days ago · 26 km deep · 53 km away
  60. 1.872 km WSW of Unalaska, Alaska · 3338 days ago · 13 km deep · 34 km away

The first 60 of 97.

Before

  1. 1.5Fox Islands, Aleutian Islands, Alaska · 3377 days ago · 13 km deep · 2 km away
  2. 2.150 km SW of Unalaska, Alaska · 3377 days ago · 13 km deep · 2 km away
  3. 2.149 km WSW of Unalaska, Alaska · 3377 days ago · 26 km deep · 15 km away
  4. 2.352 km SW of Unalaska, Alaska · 3377 days ago · 7 km deep · 6 km away
  5. 2.082 km SSW of Unalaska, Alaska · 3378 days ago · 51 km deep · 43 km away
  6. 1.681 km SSE of Unalaska, Alaska · 3378 days ago · 16 km deep · 75 km away
  7. 1.533 km S of Unalaska, Alaska · 3379 days ago · 72 km deep · 35 km away
  8. 3.6102 km E of Nikolski, Alaska · 3380 days ago · 26 km deep · 78 km away
  9. 1.559 km S of Unalaska, Alaska · 3380 days ago · 47 km deep · 51 km away
  10. 1.9101 km E of Nikolski, Alaska · 3380 days ago · 51 km deep · 80 km away
  11. 1.895 km W of Dutch Harbor, Alaska · 3381 days ago · 5 km deep · 76 km away
  12. 2.431 km SSE of Unalaska, Alaska · 3381 days ago · 75 km deep · 46 km away
  13. 1.860 km SSW of Unalaska, Alaska · 3382 days ago · 75 km deep · 23 km away
  14. 3.086 km SSW of Unalaska, Alaska · 3382 days ago · 42 km deep · 45 km away
  15. 2.086 km S of Unalaska, Alaska · 3383 days ago · 19 km deep · 70 km away
  16. 1.665 km SE of Unalaska, Alaska · 3383 days ago · 31 km deep · 78 km away
  17. 1.979 km S of Unalaska, Alaska · 3383 days ago · 14 km deep · 49 km away
  18. 2.379 km S of Unalaska, Alaska · 3383 days ago · 42 km deep · 48 km away
  19. 1.978 km S of Unalaska, Alaska · 3383 days ago · 44 km deep · 46 km away
  20. 1.978 km S of Unalaska, Alaska · 3383 days ago · 26 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0178ic8xy2 (also filed as ak16257285). Read Fri, Oct 2, 2026, 8:34 AM UTC.