Alaska earthquakes

M1.6 earthquake 99 km SSW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 99 km SSW of Unalaska, Alaska on Wed, Aug 21, 2019, 5:11 AM AKDT (13:11 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M5.3 139 km ESE of Nikolski, 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
1.6 (ml), micro
Local time
UTC
2019-08-21 13:11:08 UTC
Depth
29.4 km (18.3 mi), shallow
Epicenter
53.089° N, 167.249° 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
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.552 km E of Nikolski, Alaska · 2597 days ago · 26 km deep · 57 km away
  2. 1.662 km SW of Unalaska, Alaska · 2597 days ago · 15 km deep · 49 km away
  3. 2.982 km SSE of Unalaska, Alaska · 2596 days ago · 35 km deep · 64 km away
  4. 1.893 km E of Nikolski, Alaska · 2596 days ago · 47 km deep · 31 km away
  5. 2.249 km SE of Nikolski, Alaska · 2595 days ago · 41 km deep · 83 km away
  6. 2.441 km ENE of Nikolski, Alaska · 2593 days ago · 76 km deep · 70 km away
  7. 1.966 km SE of Unalaska, Alaska · 2591 days ago · 23 km deep · 91 km away
  8. 2.1137 km ESE of Nikolski, Alaska · 2590 days ago · 12 km deep · 59 km away
  9. 2.656 km NE of Nikolski, Alaska · 2590 days ago · 61 km deep · 64 km away
  10. 3.087 km E of Nikolski, Alaska · 2588 days ago · 35 km deep · 35 km away
  11. 1.659 km SSW of Unalaska, Alaska · 2588 days ago · 68 km deep · 41 km away
  12. 2.959 km ESE of Nikolski, Alaska · 2587 days ago · 72 km deep · 75 km away
  13. 3.292 km SSW of Unalaska, Alaska · 2587 days ago · 35 km deep · 12 km away
  14. 4.218 km NE of Nikolski, Alaska · 2586 days ago · 84 km deep · 95 km away · felt by 1
  15. 1.896 km E of Nikolski, Alaska · 2585 days ago · 26 km deep · 20 km away
  16. 2.318 km SE of Nikolski, Alaska · 2584 days ago · 62 km deep · 99 km away
  17. 1.880 km S of Unalaska, Alaska · 2582 days ago · 25 km deep · 44 km away
  18. 1.888 km SW of Unalaska, Alaska · 2582 days ago · 42 km deep · 17 km away
  19. 1.654 km SW of Unalaska, Alaska · 2581 days ago · 14 km deep · 56 km away
  20. 1.9100 km E of Nikolski, Alaska · 2580 days ago · 15 km deep · 12 km away
  21. 2.897 km ENE of Nikolski, Alaska · 2580 days ago · 35 km deep · 14 km away
  22. 3.768 km SE of Nikolski, Alaska · 2580 days ago · 10 km deep · 79 km away
  23. 2.783 km SSW of Unalaska, Alaska · 2580 days ago · 35 km deep · 25 km away
  24. 3.354 km E of Nikolski, Alaska · 2579 days ago · 35 km deep · 58 km away
  25. 3.676 km NE of Nikolski, Alaska · 2579 days ago · 109 km deep · 60 km away
  26. 2.031 km WSW of Dutch Harbor, Alaska · 2578 days ago · 157 km deep · 82 km away
  27. 2.1132 km S of Unalaska, Alaska · 2575 days ago · 13 km deep · 66 km away
  28. 1.883 km SW of Unalaska, Alaska · 2574 days ago · 43 km deep · 30 km away
  29. 2.884 km SSW of Unalaska, Alaska · 2573 days ago · 82 km deep · 26 km away
  30. 2.374 km S of Unalaska, Alaska · 2573 days ago · 48 km deep · 40 km away
  31. 3.257 km SSW of Unalaska, Alaska · 2572 days ago · 14 km deep · 42 km away
  32. 1.9Fox Islands, Aleutian Islands, Alaska · 2572 days ago · 13 km deep · 50 km away
  33. 2.655 km SE of Unalaska, Alaska · 2571 days ago · 54 km deep · 94 km away
  34. 1.891 km SSW of Unalaska, Alaska · 2571 days ago · 32 km deep · 17 km away
  35. 2.9142 km ESE of Nikolski, Alaska · 2571 days ago · 10 km deep · 73 km away
  36. 2.687 km E of Nikolski, Alaska · 2568 days ago · 63 km deep · 23 km away
  37. 1.919 km SSE of Unalaska, Alaska · 2566 days ago · 75 km deep · 86 km away
  38. 1.995 km E of Nikolski, Alaska · 2566 days ago · 44 km deep · 31 km away
  39. 2.396 km E of Nikolski, Alaska · 2566 days ago · 28 km deep · 31 km away
  40. 1.694 km E of Nikolski, Alaska · 2566 days ago · 29 km deep · 30 km away
  41. 2.8100 km E of Nikolski, Alaska · 2566 days ago · 35 km deep · 35 km away
  42. 2.094 km E of Nikolski, Alaska · 2565 days ago · 45 km deep · 29 km away
  43. 1.889 km SSW of Unalaska, Alaska · 2565 days ago · 26 km deep · 18 km away
  44. 5.3139 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 66 km away · felt by 1
  45. 3.5151 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 77 km away
  46. 4.0154 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 87 km away
  47. 3.1149 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 78 km away
  48. 4.0135 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 61 km away
  49. 2.4148 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 76 km away
  50. 2.7153 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 86 km away
  51. 2.3134 km ESE of Nikolski, Alaska · 2564 days ago · 12 km deep · 62 km away
  52. 4.1142 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 64 km away
  53. 2.0139 km ESE of Nikolski, Alaska · 2564 days ago · 5 km deep · 61 km away
  54. 3.1145 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 76 km away
  55. 2.9146 km ESE of Nikolski, Alaska · 2564 days ago · 22 km deep · 78 km away
  56. 2.9152 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 87 km away
  57. 2.7150 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 88 km away
  58. 2.0145 km ESE of Nikolski, Alaska · 2564 days ago · 56 km deep · 71 km away
  59. 2.2156 km ESE of Nikolski, Alaska · 2564 days ago · 35 km deep · 87 km away
  60. 3.8133 km ESE of Nikolski, Alaska · 2564 days ago · 10 km deep · 57 km away

The first 60 of 107.

Before

  1. 2.962 km SSW of Unalaska, Alaska · 2597 days ago · 71 km deep · 37 km away
  2. 1.574 km SSW of Unalaska, Alaska · 2598 days ago · 24 km deep · 32 km away
  3. 1.6102 km E of Nikolski, Alaska · 2599 days ago · 13 km deep · 31 km away
  4. 2.232 km SSW of Unalaska, Alaska · 2599 days ago · 74 km deep · 69 km away
  5. 1.6103 km E of Nikolski, Alaska · 2601 days ago · 72 km deep · 9 km away
  6. 2.166 km ESE of Nikolski, Alaska · 2601 days ago · 28 km deep · 55 km away
  7. 1.879 km SW of Unalaska, Alaska · 2601 days ago · 68 km deep · 34 km away
  8. 1.580 km SSW of Unalaska, Alaska · 2602 days ago · 26 km deep · 31 km away
  9. 1.979 km SSW of Unalaska, Alaska · 2603 days ago · 29 km deep · 29 km away
  10. 2.990 km E of Nikolski, Alaska · 2604 days ago · 35 km deep · 32 km away
  11. 2.2127 km ESE of Nikolski, Alaska · 2607 days ago · 26 km deep · 58 km away
  12. 2.217 km SE of Nikolski, Alaska · 2609 days ago · 66 km deep · 100 km away
  13. 2.590 km E of Nikolski, Alaska · 2610 days ago · 35 km deep · 35 km away
  14. 1.888 km E of Nikolski, Alaska · 2611 days ago · 62 km deep · 27 km away
  15. 2.5101 km SSW of Unalaska, Alaska · 2613 days ago · 35 km deep · 16 km away
  16. 1.662 km SW of Unalaska, Alaska · 2613 days ago · 13 km deep · 51 km away
  17. 2.1103 km E of Nikolski, Alaska · 2613 days ago · 35 km deep · 27 km away
  18. 2.0102 km E of Nikolski, Alaska · 2613 days ago · 30 km deep · 30 km away
  19. 2.6103 km SSW of Unalaska, Alaska · 2614 days ago · 24 km deep · 6 km away
  20. 2.148 km WSW of Unalaska, Alaska · 2615 days ago · 13 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019apk0vcx. Read Wed, Sep 30, 2026, 6:33 PM UTC.