Alaska earthquakes

M2.5 earthquake 98 km SW of Atka, Alaska

A magnitude 2.5 earthquake struck 98 km SW of Atka, Alaska on Sat, Aug 31, 2019, 12:06 AM HADT (09:06 UTC), 30 km (18 mi) below the surface.

A larger quake followed: M4.0 59 km SE of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-08-31 09:06:21 UTC
Depth
29.7 km (18.4 mi), shallow
Epicenter
51.614° N, 175.273° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.3 km horizontally, 10.6 km in depth
Depth from
From location
Station coverage gap
228°, poorly surrounded by stations
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 125 in the 60 days after this one and 58 in the 30 days before it.

After

  1. 2.476 km ENE of Adak, Alaska · 2587 days ago · 145 km deep · 60 km away
  2. 2.227 km W of Atka, Alaska · 2587 days ago · 70 km deep · 84 km away
  3. 1.542 km W of Atka, Alaska · 2585 days ago · 78 km deep · 70 km away
  4. 2.783 km SW of Atka, Alaska · 2585 days ago · 26 km deep · 15 km away
  5. 1.559 km SE of Adak, Alaska · 2585 days ago · 26 km deep · 62 km away
  6. 2.049 km ESE of Adak, Alaska · 2585 days ago · 46 km deep · 52 km away
  7. 1.797 km ESE of Adak, Alaska · 2584 days ago · 35 km deep · 3 km away
  8. 2.269 km SSE of Atka, Alaska · 2584 days ago · 51 km deep · 96 km away
  9. 1.633 km E of Adak, Alaska · 2584 days ago · 69 km deep · 66 km away
  10. 1.672 km SSE of Adak, Alaska · 2584 days ago · 26 km deep · 80 km away
  11. 2.036 km SSW of Atka, Alaska · 2584 days ago · 7 km deep · 68 km away
  12. 1.611 km NE of Adak, Alaska · 2583 days ago · 104 km deep · 94 km away
  13. 2.130 km SSE of Adak, Alaska · 2583 days ago · 49 km deep · 80 km away
  14. 1.874 km SW of Atka, Alaska · 2582 days ago · 37 km deep · 24 km away
  15. 2.220 km SW of Atka, Alaska · 2582 days ago · 39 km deep · 78 km away
  16. 1.728 km ENE of Adak, Alaska · 2582 days ago · 79 km deep · 79 km away
  17. 1.539 km SSE of Adak, Alaska · 2582 days ago · 35 km deep · 77 km away
  18. 1.555 km S of Adak, Alaska · 2581 days ago · 21 km deep · 95 km away
  19. 2.251 km SW of Atka, Alaska · 2581 days ago · 4 km deep · 48 km away
  20. 1.572 km SSE of Adak, Alaska · 2581 days ago · 20 km deep · 79 km away
  21. 1.571 km SSE of Adak, Alaska · 2581 days ago · 21 km deep · 83 km away
  22. 2.028 km SSW of Atka, Alaska · 2581 days ago · 55 km deep · 72 km away
  23. 1.872 km SW of Atka, Alaska · 2580 days ago · 43 km deep · 27 km away
  24. 2.356 km WSW of Atka, Alaska · 2579 days ago · 57 km deep · 45 km away
  25. 2.181 km W of Atka, Alaska · 2579 days ago · 75 km deep · 53 km away
  26. 2.146 km S of Adak, Alaska · 2578 days ago · 34 km deep · 95 km away
  27. 4.059 km SE of Adak, Alaska · 2578 days ago · 42 km deep · 57 km away
  28. 3.04 km SSW of Atka, Alaska · 2576 days ago · 81 km deep · 94 km away
  29. 2.875 km ENE of Adak, Alaska · 2575 days ago · 204 km deep · 65 km away
  30. 1.752 km SSE of Adak, Alaska · 2575 days ago · 28 km deep · 86 km away
  31. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2575 days ago · 7 km deep · 73 km away
  32. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2575 days ago · 58 km deep · 83 km away
  33. 2.888 km S of Atka, Alaska · 2575 days ago · 30 km deep · 83 km away
  34. 2.184 km S of Atka, Alaska · 2574 days ago · 13 km deep · 67 km away
  35. 2.332 km NW of Atka, Alaska · 2573 days ago · 158 km deep · 97 km away
  36. 1.980 km SE of Adak, Alaska · 2573 days ago · 7 km deep · 37 km away
  37. 2.644 km E of Adak, Alaska · 2573 days ago · 97 km deep · 62 km away
  38. 2.789 km SSE of Adak, Alaska · 2572 days ago · 22 km deep · 80 km away
  39. 2.558 km WSW of Atka, Alaska · 2572 days ago · 80 km deep · 55 km away
  40. 3.797 km SW of Atka, Alaska · 2571 days ago · 30 km deep · 3 km away
  41. 2.093 km ESE of Adak, Alaska · 2571 days ago · 44 km deep · 10 km away
  42. 2.065 km SE of Adak, Alaska · 2570 days ago · 46 km deep · 52 km away
  43. 1.8102 km SW of Atka, Alaska · 2569 days ago · 20 km deep · 8 km away
  44. 1.665 km SSE of Adak, Alaska · 2569 days ago · 26 km deep · 84 km away
  45. 1.667 km SSE of Adak, Alaska · 2569 days ago · 28 km deep · 88 km away
  46. 1.962 km SSE of Adak, Alaska · 2569 days ago · 30 km deep · 67 km away
  47. 1.885 km E of Adak, Alaska · 2568 days ago · 70 km deep · 38 km away
  48. 2.568 km SE of Adak, Alaska · 2568 days ago · 35 km deep · 59 km away
  49. 2.338 km S of Adak, Alaska · 2568 days ago · 38 km deep · 96 km away
  50. 2.4Andreanof Islands, Aleutian Islands, Alaska · 2568 days ago · 12 km deep · 38 km away
  51. 2.352 km SSE of Adak, Alaska · 2568 days ago · 21 km deep · 79 km away
  52. 2.519 km ESE of Adak, Alaska · 2567 days ago · 103 km deep · 79 km away
  53. 1.966 km SE of Adak, Alaska · 2566 days ago · 24 km deep · 43 km away
  54. 3.945 km SE of Adak, Alaska · 2565 days ago · 47 km deep · 60 km away
  55. 1.893 km SW of Atka, Alaska · 2565 days ago · 26 km deep · 7 km away
  56. 1.543 km SE of Adak, Alaska · 2565 days ago · 57 km deep · 68 km away
  57. 1.587 km E of Adak, Alaska · 2564 days ago · 62 km deep · 24 km away
  58. 2.399 km SW of Atka, Alaska · 2564 days ago · 26 km deep · 5 km away
  59. 1.945 km S of Adak, Alaska · 2564 days ago · 40 km deep · 95 km away
  60. 1.939 km S of Adak, Alaska · 2563 days ago · 37 km deep · 90 km away

The first 60 of 125.

Before

  1. 3.381 km SE of Adak, Alaska · 2589 days ago · 10 km deep · 37 km away
  2. 1.927 km W of Atka, Alaska · 2590 days ago · 6 km deep · 76 km away
  3. 1.753 km SSE of Adak, Alaska · 2590 days ago · 28 km deep · 86 km away
  4. 1.984 km ESE of Adak, Alaska · 2590 days ago · 47 km deep · 14 km away
  5. 2.361 km WSW of Atka, Alaska · 2590 days ago · 73 km deep · 46 km away
  6. 1.531 km WSW of Atka, Alaska · 2590 days ago · 9 km deep · 71 km away
  7. 1.827 km W of Atka, Alaska · 2591 days ago · 7 km deep · 78 km away
  8. 2.264 km WSW of Atka, Alaska · 2592 days ago · 57 km deep · 39 km away
  9. 1.859 km SW of Atka, Alaska · 2592 days ago · 15 km deep · 43 km away
  10. 2.629 km WSW of Atka, Alaska · 2592 days ago · 10 km deep · 70 km away
  11. 1.633 km S of Adak, Alaska · 2593 days ago · 39 km deep · 97 km away
  12. 2.172 km SE of Adak, Alaska · 2593 days ago · 35 km deep · 45 km away
  13. 1.527 km W of Atka, Alaska · 2594 days ago · 7 km deep · 76 km away
  14. 1.967 km SW of Atka, Alaska · 2594 days ago · 25 km deep · 30 km away
  15. 1.870 km SW of Atka, Alaska · 2594 days ago · 22 km deep · 27 km away
  16. 1.655 km SSE of Adak, Alaska · 2594 days ago · 23 km deep · 72 km away
  17. 1.763 km SE of Adak, Alaska · 2594 days ago · 26 km deep · 59 km away
  18. 3.388 km S of Atka, Alaska · 2595 days ago · 23 km deep · 83 km away
  19. 1.584 km E of Adak, Alaska · 2595 days ago · 48 km deep · 24 km away
  20. 2.580 km ESE of Adak, Alaska · 2597 days ago · 35 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005n2v (also filed as ak019b60zkgd). Read Fri, Oct 2, 2026, 8:46 AM UTC.