Alaska earthquakes

M3.6 earthquake 89 km SW of Atka, Alaska

A magnitude 3.6 earthquake struck 89 km SW of Atka, Alaska on Fri, Jul 5, 2019, 9:21 PM HADT (06:21 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M4.7 92 km SSW of Atka, 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
3.6 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-07-06 06:21:39 UTC
Depth
28.8 km (17.9 mi), shallow
Epicenter
51.613° N, 175.090° 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
3.6mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.189 · 7 stations
2.9ML, 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 5.8 km horizontally, 14.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
200°, poorly surrounded by stations
Stations used
34

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 57 in the 30 days before it.

After

  1. 3.161 km ENE of Adak, Alaska · 2645 days ago · 208 km deep · 64 km away
  2. 1.677 km W of Atka, Alaska · 2645 days ago · 117 km deep · 62 km away
  3. 2.510 km NNW of Atka, Alaska · 2644 days ago · 237 km deep · 92 km away
  4. 2.694 km SE of Adak, Alaska · 2644 days ago · 35 km deep · 39 km away
  5. 1.591 km SW of Atka, Alaska · 2644 days ago · 26 km deep · 6 km away
  6. 1.641 km SSE of Adak, Alaska · 2641 days ago · 34 km deep · 89 km away
  7. 1.667 km E of Adak, Alaska · 2640 days ago · 84 km deep · 52 km away
  8. 1.747 km SW of Atka, Alaska · 2640 days ago · 64 km deep · 41 km away
  9. 2.064 km SE of Adak, Alaska · 2639 days ago · 18 km deep · 63 km away
  10. 1.840 km ENE of Adak, Alaska · 2638 days ago · 116 km deep · 78 km away
  11. 1.760 km SE of Adak, Alaska · 2638 days ago · 26 km deep · 71 km away
  12. 2.470 km SSW of Atka, Alaska · 2638 days ago · 35 km deep · 35 km away
  13. 1.842 km S of Atka, Alaska · 2637 days ago · 47 km deep · 64 km away
  14. 2.537 km SSE of Adak, Alaska · 2637 days ago · 48 km deep · 92 km away
  15. 1.644 km S of Atka, Alaska · 2636 days ago · 20 km deep · 70 km away
  16. 1.972 km SSE of Adak, Alaska · 2636 days ago · 26 km deep · 96 km away
  17. 2.878 km SSE of Adak, Alaska · 2636 days ago · 27 km deep · 93 km away
  18. 2.592 km SSE of Adak, Alaska · 2635 days ago · 10 km deep · 98 km away
  19. 2.357 km SE of Adak, Alaska · 2635 days ago · 26 km deep · 75 km away
  20. 2.359 km W of Atka, Alaska · 2634 days ago · 117 km deep · 72 km away
  21. 1.818 km SE of Adak, Alaska · 2633 days ago · 69 km deep · 96 km away
  22. 4.099 km SW of Atka, Alaska · 2633 days ago · 35 km deep · 11 km away
  23. 2.5100 km SW of Atka, Alaska · 2633 days ago · 35 km deep · 12 km away
  24. 1.86 km WNW of Atka, Alaska · 2633 days ago · 188 km deep · 87 km away
  25. 1.565 km ESE of Adak, Alaska · 2633 days ago · 26 km deep · 50 km away
  26. 1.952 km NE of Adak, Alaska · 2632 days ago · 227 km deep · 100 km away
  27. 2.467 km S of Atka, Alaska · 2632 days ago · 10 km deep · 59 km away
  28. 1.545 km ENE of Adak, Alaska · 2631 days ago · 168 km deep · 80 km away
  29. 1.670 km WSW of Atka, Alaska · 2631 days ago · 77 km deep · 49 km away
  30. 4.011 km WSW of Atka, Alaska · 2631 days ago · 178 km deep · 78 km away
  31. 2.032 km SW of Atka, Alaska · 2631 days ago · 78 km deep · 57 km away
  32. 1.755 km WSW of Atka, Alaska · 2630 days ago · 68 km deep · 42 km away
  33. 1.8102 km SW of Atka, Alaska · 2630 days ago · 41 km deep · 15 km away
  34. 1.7119 km SSW of Atka, Alaska · 2630 days ago · 17 km deep · 41 km away
  35. 1.7124 km SSW of Atka, Alaska · 2630 days ago · 26 km deep · 46 km away
  36. 1.9124 km SSW of Atka, Alaska · 2629 days ago · 25 km deep · 45 km away
  37. 2.544 km NE of Adak, Alaska · 2629 days ago · 145 km deep · 91 km away
  38. 1.657 km SE of Adak, Alaska · 2629 days ago · 26 km deep · 75 km away
  39. 1.555 km SSE of Adak, Alaska · 2629 days ago · 26 km deep · 78 km away
  40. 1.7100 km ESE of Adak, Alaska · 2629 days ago · 28 km deep · 13 km away
  41. 1.557 km S of Adak, Alaska · 2629 days ago · 25 km deep · 100 km away
  42. 1.627 km ESE of Adak, Alaska · 2628 days ago · 68 km deep · 83 km away
  43. 1.664 km ESE of Adak, Alaska · 2628 days ago · 24 km deep · 50 km away
  44. 1.931 km SW of Atka, Alaska · 2628 days ago · 88 km deep · 58 km away
  45. 1.5Andreanof Islands, Aleutian Islands, Alaska · 2628 days ago · 53 km deep · 17 km away
  46. 2.146 km SSE of Adak, Alaska · 2626 days ago · 35 km deep · 93 km away
  47. 2.140 km ENE of Adak, Alaska · 2625 days ago · 178 km deep · 76 km away
  48. 1.661 km SW of Atka, Alaska · 2625 days ago · 45 km deep · 29 km away
  49. 4.4106 km SSW of Atka, Alaska · 2624 days ago · 26 km deep · 32 km away
  50. 2.9109 km SSW of Atka, Alaska · 2624 days ago · 28 km deep · 44 km away
  51. 4.792 km SSW of Atka, Alaska · 2624 days ago · 25 km deep · 27 km away
  52. 2.0109 km SSW of Atka, Alaska · 2624 days ago · 17 km deep · 41 km away
  53. 2.17 km SSW of Atka, Alaska · 2624 days ago · 141 km deep · 83 km away
  54. 1.590 km SW of Atka, Alaska · 2624 days ago · 25 km deep · 6 km away
  55. 2.057 km W of Atka, Alaska · 2624 days ago · 86 km deep · 55 km away
  56. 3.796 km SSW of Atka, Alaska · 2624 days ago · 35 km deep · 21 km away
  57. 1.9133 km S of Atka, Alaska · 2624 days ago · 15 km deep · 97 km away
  58. 1.560 km SE of Adak, Alaska · 2622 days ago · 22 km deep · 70 km away
  59. 1.797 km SW of Atka, Alaska · 2622 days ago · 25 km deep · 9 km away
  60. 1.949 km ENE of Adak, Alaska · 2621 days ago · 132 km deep · 83 km away

The first 60 of 122.

Before

  1. 2.046 km E of Adak, Alaska · 2645 days ago · 139 km deep · 69 km away
  2. 1.590 km ESE of Adak, Alaska · 2645 days ago · 36 km deep · 23 km away
  3. 1.669 km SW of Atka, Alaska · 2645 days ago · 44 km deep · 21 km away
  4. 1.729 km S of Atka, Alaska · 2646 days ago · 54 km deep · 70 km away
  5. 1.883 km ESE of Adak, Alaska · 2646 days ago · 16 km deep · 35 km away
  6. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2646 days ago · 23 km deep · 72 km away
  7. 2.5106 km SSW of Atka, Alaska · 2647 days ago · 8 km deep · 43 km away
  8. 1.9127 km S of Atka, Alaska · 2648 days ago · 2 km deep · 78 km away
  9. 2.647 km ENE of Adak, Alaska · 2648 days ago · 131 km deep · 73 km away
  10. 1.565 km ESE of Adak, Alaska · 2648 days ago · 23 km deep · 52 km away
  11. 2.3106 km SE of Adak, Alaska · 2649 days ago · 35 km deep · 38 km away
  12. 3.316 km SE of Atka, Alaska · 2650 days ago · 70 km deep · 92 km away
  13. 1.948 km SSE of Atka, Alaska · 2650 days ago · 22 km deep · 83 km away
  14. 2.137 km NE of Adak, Alaska · 2651 days ago · 133 km deep · 99 km away
  15. 2.566 km SSE of Adak, Alaska · 2651 days ago · 28 km deep · 77 km away
  16. 2.164 km SE of Adak, Alaska · 2651 days ago · 26 km deep · 72 km away
  17. 2.273 km SE of Adak, Alaska · 2651 days ago · 35 km deep · 70 km away
  18. 2.573 km SE of Adak, Alaska · 2651 days ago · 35 km deep · 69 km away
  19. 2.578 km SW of Atka, Alaska · 2651 days ago · 10 km deep · 15 km away
  20. 2.193 km SW of Atka, Alaska · 2652 days ago · 36 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60004xri (also filed as ak0198ld733r). Read Fri, Oct 2, 2026, 8:11 AM UTC.