Alaska earthquakes

M2.6 earthquake 104 km SSE of Adak, Alaska

A magnitude 2.6 earthquake struck 104 km SSE of Adak, Alaska on Mon, Aug 12, 2019, 9:34 AM HADT (18:34 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 166 km SSW 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-08-12 18:34:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.970° N, 176.232° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.6ML, 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 2.7 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
235°, poorly surrounded by stations
Stations used
24

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 2.019 km SSE of Adak, Alaska · 2606 days ago · 71 km deep · 85 km away
  2. 3.159 km SE of Adak, Alaska · 2605 days ago · 35 km deep · 61 km away
  3. 2.1104 km SW of Adak, Alaska · 2605 days ago · 44 km deep · 99 km away
  4. 1.990 km SW of Adak, Alaska · 2604 days ago · 56 km deep · 84 km away
  5. 1.846 km SE of Adak, Alaska · 2601 days ago · 44 km deep · 72 km away
  6. 3.176 km S of Adak, Alaska · 2601 days ago · 21 km deep · 39 km away
  7. 1.834 km SSE of Adak, Alaska · 2600 days ago · 50 km deep · 72 km away
  8. 1.847 km S of Adak, Alaska · 2599 days ago · 49 km deep · 60 km away
  9. 2.1175 km S of Adak, Alaska · 2597 days ago · 23 km deep · 83 km away
  10. 1.6105 km SW of Adak, Alaska · 2597 days ago · 36 km deep · 94 km away
  11. 2.580 km ESE of Adak, Alaska · 2597 days ago · 35 km deep · 94 km away
  12. 1.869 km SSW of Adak, Alaska · 2596 days ago · 29 km deep · 71 km away
  13. 1.763 km SE of Adak, Alaska · 2594 days ago · 26 km deep · 52 km away
  14. 1.655 km SSE of Adak, Alaska · 2594 days ago · 23 km deep · 52 km away
  15. 2.172 km SE of Adak, Alaska · 2593 days ago · 35 km deep · 58 km away
  16. 1.633 km S of Adak, Alaska · 2593 days ago · 39 km deep · 74 km away
  17. 1.662 km SW of Adak, Alaska · 2593 days ago · 43 km deep · 87 km away
  18. 1.569 km SSW of Adak, Alaska · 2590 days ago · 26 km deep · 65 km away
  19. 3.551 km S of Adak, Alaska · 2590 days ago · 45 km deep · 60 km away · felt by 1
  20. 2.447 km S of Adak, Alaska · 2590 days ago · 35 km deep · 64 km away
  21. 1.898 km S of Adak, Alaska · 2590 days ago · 42 km deep · 39 km away
  22. 1.984 km ESE of Adak, Alaska · 2590 days ago · 47 km deep · 94 km away
  23. 1.753 km SSE of Adak, Alaska · 2590 days ago · 28 km deep · 51 km away
  24. 1.9125 km SW of Adak, Alaska · 2589 days ago · 40 km deep · 100 km away
  25. 3.381 km SE of Adak, Alaska · 2589 days ago · 10 km deep · 62 km away
  26. 2.598 km SW of Atka, Alaska · 2589 days ago · 30 km deep · 98 km away
  27. 1.559 km SE of Adak, Alaska · 2585 days ago · 26 km deep · 52 km away
  28. 2.049 km ESE of Adak, Alaska · 2584 days ago · 46 km deep · 75 km away
  29. 2.156 km SSW of Adak, Alaska · 2584 days ago · 45 km deep · 60 km away
  30. 1.797 km ESE of Adak, Alaska · 2584 days ago · 35 km deep · 95 km away
  31. 1.633 km E of Adak, Alaska · 2584 days ago · 69 km deep · 97 km away
  32. 1.672 km SSE of Adak, Alaska · 2584 days ago · 26 km deep · 33 km away
  33. 2.130 km SSE of Adak, Alaska · 2583 days ago · 49 km deep · 75 km away
  34. 1.539 km SSE of Adak, Alaska · 2582 days ago · 35 km deep · 66 km away
  35. 1.555 km S of Adak, Alaska · 2581 days ago · 21 km deep · 51 km away
  36. 1.736 km SW of Adak, Alaska · 2581 days ago · 64 km deep · 96 km away
  37. 1.572 km SSE of Adak, Alaska · 2580 days ago · 20 km deep · 33 km away
  38. 1.571 km SSE of Adak, Alaska · 2580 days ago · 21 km deep · 33 km away
  39. 5.4166 km SSW of Adak, Alaska · 2579 days ago · 10 km deep · 91 km away · felt by 1 · tsunami flag
  40. 3.6166 km SSW of Adak, Alaska · 2579 days ago · 10 km deep · 96 km away
  41. 1.6160 km SSW of Adak, Alaska · 2579 days ago · 25 km deep · 85 km away
  42. 1.7166 km SSW of Adak, Alaska · 2579 days ago · 48 km deep · 88 km away
  43. 2.040 km SSW of Adak, Alaska · 2578 days ago · 58 km deep · 79 km away
  44. 2.146 km S of Adak, Alaska · 2578 days ago · 34 km deep · 60 km away
  45. 4.059 km SE of Adak, Alaska · 2577 days ago · 42 km deep · 57 km away
  46. 1.752 km SSE of Adak, Alaska · 2575 days ago · 28 km deep · 52 km away
  47. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2575 days ago · 58 km deep · 77 km away
  48. 2.353 km SW of Adak, Alaska · 2573 days ago · 37 km deep · 81 km away
  49. 1.980 km SE of Adak, Alaska · 2573 days ago · 7 km deep · 62 km away
  50. 2.789 km SSE of Adak, Alaska · 2572 days ago · 22 km deep · 19 km away
  51. 2.129 km SSW of Adak, Alaska · 2571 days ago · 62 km deep · 81 km away
  52. 3.797 km SW of Atka, Alaska · 2571 days ago · 30 km deep · 98 km away
  53. 1.777 km SW of Adak, Alaska · 2570 days ago · 38 km deep · 99 km away
  54. 2.065 km SE of Adak, Alaska · 2570 days ago · 46 km deep · 56 km away
  55. 1.8102 km SW of Atka, Alaska · 2569 days ago · 20 km deep · 94 km away
  56. 1.665 km SSE of Adak, Alaska · 2568 days ago · 26 km deep · 38 km away
  57. 1.667 km SSE of Adak, Alaska · 2568 days ago · 28 km deep · 37 km away
  58. 1.962 km SSE of Adak, Alaska · 2568 days ago · 30 km deep · 47 km away
  59. 2.126 km SSW of Adak, Alaska · 2568 days ago · 58 km deep · 85 km away
  60. 2.568 km SE of Adak, Alaska · 2568 days ago · 35 km deep · 48 km away

The first 60 of 97.

Before

  1. 1.656 km SSE of Adak, Alaska · 2607 days ago · 25 km deep · 50 km away
  2. 1.692 km SE of Adak, Alaska · 2608 days ago · 20 km deep · 60 km away
  3. 1.760 km SE of Adak, Alaska · 2609 days ago · 23 km deep · 63 km away
  4. 2.4107 km SW of Atka, Alaska · 2610 days ago · 35 km deep · 92 km away
  5. 2.1120 km SSW of Atka, Alaska · 2610 days ago · 39 km deep · 89 km away
  6. 2.0119 km SSW of Atka, Alaska · 2610 days ago · 18 km deep · 89 km away
  7. 1.981 km SSE of Adak, Alaska · 2611 days ago · 20 km deep · 23 km away
  8. 2.056 km S of Adak, Alaska · 2611 days ago · 35 km deep · 49 km away
  9. 1.641 km SSE of Adak, Alaska · 2611 days ago · 32 km deep · 63 km away
  10. 1.745 km ESE of Adak, Alaska · 2611 days ago · 53 km deep · 77 km away
  11. 1.563 km SE of Adak, Alaska · 2613 days ago · 40 km deep · 61 km away
  12. 1.663 km SW of Adak, Alaska · 2614 days ago · 42 km deep · 99 km away
  13. 1.969 km SSE of Adak, Alaska · 2616 days ago · 26 km deep · 35 km away
  14. 2.5164 km S of Adak, Alaska · 2616 days ago · 10 km deep · 80 km away
  15. 1.852 km S of Adak, Alaska · 2617 days ago · 25 km deep · 52 km away
  16. 1.756 km SSE of Adak, Alaska · 2617 days ago · 26 km deep · 50 km away
  17. 2.330 km SW of Adak, Alaska · 2617 days ago · 161 km deep · 95 km away
  18. 1.748 km S of Adak, Alaska · 2618 days ago · 29 km deep · 60 km away
  19. 2.8182 km S of Adak, Alaska · 2618 days ago · 10 km deep · 81 km away
  20. 1.760 km SE of Adak, Alaska · 2619 days ago · 26 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005aca (also filed as ak019aaravwz). Read Fri, Oct 2, 2026, 3:20 AM UTC.