Alaska earthquakes

M2.4 earthquake 97 km SSW of Unalaska, Alaska

A magnitude 2.4 earthquake struck 97 km SSW of Unalaska, Alaska on Wed, Jul 31, 2019, 9:21 PM AKDT (05:21 UTC), 26 km (16 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2019-08-01 05:21:12 UTC
Depth
25.6 km (15.9 mi), shallow
Epicenter
53.025° N, 166.890° 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: 114 in the 60 days after this one and 75 in the 30 days before it.

After

  1. 1.687 km E of Nikolski, Alaska · 2619 days ago · 53 km deep · 45 km away
  2. 1.650 km ESE of Nikolski, Alaska · 2618 days ago · 21 km deep · 90 km away
  3. 2.148 km WSW of Unalaska, Alaska · 2616 days ago · 13 km deep · 77 km away
  4. 2.6103 km SSW of Unalaska, Alaska · 2616 days ago · 24 km deep · 22 km away
  5. 2.0102 km E of Nikolski, Alaska · 2615 days ago · 30 km deep · 38 km away
  6. 2.1103 km E of Nikolski, Alaska · 2615 days ago · 35 km deep · 36 km away
  7. 1.662 km SW of Unalaska, Alaska · 2615 days ago · 13 km deep · 64 km away
  8. 2.5101 km SSW of Unalaska, Alaska · 2614 days ago · 35 km deep · 10 km away
  9. 1.888 km E of Nikolski, Alaska · 2613 days ago · 62 km deep · 45 km away
  10. 2.590 km E of Nikolski, Alaska · 2612 days ago · 35 km deep · 49 km away
  11. 2.2127 km ESE of Nikolski, Alaska · 2608 days ago · 26 km deep · 51 km away
  12. 2.990 km E of Nikolski, Alaska · 2605 days ago · 35 km deep · 46 km away
  13. 1.979 km SSW of Unalaska, Alaska · 2604 days ago · 29 km deep · 18 km away
  14. 1.580 km SSW of Unalaska, Alaska · 2603 days ago · 26 km deep · 17 km away
  15. 1.879 km SW of Unalaska, Alaska · 2603 days ago · 68 km deep · 52 km away
  16. 2.166 km ESE of Nikolski, Alaska · 2603 days ago · 28 km deep · 73 km away
  17. 1.6103 km E of Nikolski, Alaska · 2603 days ago · 72 km deep · 29 km away
  18. 2.232 km SSW of Unalaska, Alaska · 2601 days ago · 74 km deep · 65 km away
  19. 1.6102 km E of Nikolski, Alaska · 2600 days ago · 13 km deep · 38 km away
  20. 1.574 km SSW of Unalaska, Alaska · 2600 days ago · 24 km deep · 23 km away
  21. 2.962 km SSW of Unalaska, Alaska · 2599 days ago · 71 km deep · 38 km away
  22. 1.699 km SSW of Unalaska, Alaska · 2599 days ago · 29 km deep · 25 km away
  23. 1.552 km E of Nikolski, Alaska · 2598 days ago · 26 km deep · 81 km away
  24. 1.662 km SW of Unalaska, Alaska · 2598 days ago · 15 km deep · 62 km away
  25. 2.982 km SSE of Unalaska, Alaska · 2598 days ago · 35 km deep · 42 km away
  26. 1.893 km E of Nikolski, Alaska · 2597 days ago · 47 km deep · 44 km away
  27. 2.441 km ENE of Nikolski, Alaska · 2595 days ago · 76 km deep · 95 km away
  28. 1.966 km SE of Unalaska, Alaska · 2593 days ago · 23 km deep · 73 km away
  29. 2.1137 km ESE of Nikolski, Alaska · 2592 days ago · 12 km deep · 47 km away
  30. 2.656 km NE of Nikolski, Alaska · 2592 days ago · 61 km deep · 89 km away
  31. 3.087 km E of Nikolski, Alaska · 2590 days ago · 35 km deep · 50 km away
  32. 1.659 km SSW of Unalaska, Alaska · 2589 days ago · 68 km deep · 46 km away
  33. 2.959 km ESE of Nikolski, Alaska · 2589 days ago · 72 km deep · 92 km away
  34. 3.292 km SSW of Unalaska, Alaska · 2588 days ago · 35 km deep · 15 km away
  35. 1.896 km E of Nikolski, Alaska · 2586 days ago · 26 km deep · 37 km away
  36. 1.880 km S of Unalaska, Alaska · 2584 days ago · 25 km deep · 24 km away
  37. 1.888 km SW of Unalaska, Alaska · 2583 days ago · 42 km deep · 36 km away
  38. 1.654 km SW of Unalaska, Alaska · 2582 days ago · 14 km deep · 66 km away
  39. 2.481 km SE of Unalaska, Alaska · 2582 days ago · 39 km deep · 96 km away
  40. 1.9100 km E of Nikolski, Alaska · 2581 days ago · 15 km deep · 33 km away
  41. 2.897 km ENE of Nikolski, Alaska · 2581 days ago · 35 km deep · 39 km away
  42. 3.768 km SE of Nikolski, Alaska · 2581 days ago · 10 km deep · 94 km away
  43. 2.783 km SSW of Unalaska, Alaska · 2581 days ago · 35 km deep · 14 km away
  44. 3.354 km E of Nikolski, Alaska · 2581 days ago · 35 km deep · 79 km away
  45. 3.676 km NE of Nikolski, Alaska · 2580 days ago · 109 km deep · 84 km away
  46. 2.031 km WSW of Dutch Harbor, Alaska · 2579 days ago · 157 km deep · 88 km away
  47. 2.563 km SE of Unalaska, Alaska · 2579 days ago · 35 km deep · 84 km away
  48. 2.1132 km S of Unalaska, Alaska · 2577 days ago · 13 km deep · 45 km away
  49. 1.883 km SW of Unalaska, Alaska · 2575 days ago · 43 km deep · 50 km away
  50. 2.884 km SSW of Unalaska, Alaska · 2575 days ago · 82 km deep · 13 km away
  51. 2.374 km S of Unalaska, Alaska · 2575 days ago · 48 km deep · 24 km away
  52. 3.257 km SSW of Unalaska, Alaska · 2573 days ago · 14 km deep · 44 km away
  53. 1.9Fox Islands, Aleutian Islands, Alaska · 2573 days ago · 13 km deep · 55 km away
  54. 2.655 km SE of Unalaska, Alaska · 2573 days ago · 54 km deep · 79 km away
  55. 1.891 km SSW of Unalaska, Alaska · 2573 days ago · 32 km deep · 11 km away
  56. 2.9142 km ESE of Nikolski, Alaska · 2572 days ago · 10 km deep · 62 km away
  57. 2.859 km SE of Unalaska, Alaska · 2572 days ago · 35 km deep · 87 km away
  58. 2.585 km SE of Unalaska, Alaska · 2570 days ago · 28 km deep · 79 km away
  59. 2.687 km E of Nikolski, Alaska · 2569 days ago · 63 km deep · 47 km away
  60. 1.629 km ESE of Unalaska, Alaska · 2569 days ago · 68 km deep · 92 km away

The first 60 of 114.

Before

  1. 2.166 km SSE of Unalaska, Alaska · 2620 days ago · 52 km deep · 57 km away
  2. 1.9129 km S of Unalaska, Alaska · 2620 days ago · 46 km deep · 33 km away
  3. 2.357 km ESE of Nikolski, Alaska · 2621 days ago · 26 km deep · 85 km away
  4. 1.575 km SW of Unalaska, Alaska · 2621 days ago · 12 km deep · 53 km away
  5. 1.778 km SW of Unalaska, Alaska · 2621 days ago · 14 km deep · 48 km away
  6. 2.791 km SE of Nikolski, Alaska · 2621 days ago · 11 km deep · 94 km away
  7. 2.3111 km S of Unalaska, Alaska · 2622 days ago · 14 km deep · 16 km away
  8. 2.1102 km E of Nikolski, Alaska · 2623 days ago · 25 km deep · 41 km away
  9. 3.852 km ESE of Nikolski, Alaska · 2624 days ago · 40 km deep · 85 km away
  10. 2.554 km SSE of Unalaska, Alaska · 2624 days ago · 40 km deep · 71 km away
  11. 1.786 km SW of Unalaska, Alaska · 2625 days ago · 51 km deep · 39 km away
  12. 1.870 km E of Nikolski, Alaska · 2626 days ago · 48 km deep · 62 km away
  13. 1.7Fox Islands, Aleutian Islands, Alaska · 2626 days ago · 22 km deep · 98 km away
  14. 1.940 km S of Unalaska, Alaska · 2627 days ago · 65 km deep · 57 km away
  15. 2.153 km ESE of Nikolski, Alaska · 2628 days ago · 24 km deep · 85 km away
  16. 3.866 km ESE of Nikolski, Alaska · 2628 days ago · 42 km deep · 75 km away · felt by 1
  17. 1.733 km S of Unalaska, Alaska · 2628 days ago · 70 km deep · 68 km away
  18. 1.651 km SE of Unalaska, Alaska · 2629 days ago · 17 km deep · 94 km away
  19. 1.987 km SSW of Unalaska, Alaska · 2629 days ago · 25 km deep · 10 km away
  20. 1.993 km E of Nikolski, Alaska · 2631 days ago · 38 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0199sckmba. Read Fri, Oct 2, 2026, 6:45 AM UTC.