Alaska earthquakes

M3.5 earthquake 86 km WSW of Atka, Alaska

A magnitude 3.5 earthquake struck 86 km WSW of Atka, Alaska on Wed, Jun 26, 2019, 3:22 AM HADT (12:22 UTC), 75 km (47 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
3.5 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-06-26 12:22:54 UTC
Depth
75.0 km (46.6 mi), intermediate-depth
Epicenter
51.842° N, 175.330° 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
3.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.148 · 6 stations
3.0ML, 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 3.4 km horizontally, 10.3 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
193°, poorly surrounded by stations
Stations used
32

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.632 km SSW of Atka, Alaska · 2654 days ago · 172 km deep · 65 km away
  2. 1.936 km SSW of Atka, Alaska · 2654 days ago · 193 km deep · 59 km away
  3. 2.590 km ESE of Adak, Alaska · 2653 days ago · 32 km deep · 48 km away
  4. 2.063 km NE of Adak, Alaska · 2653 days ago · 175 km deep · 74 km away
  5. 2.083 km SW of Atka, Alaska · 2653 days ago · 26 km deep · 25 km away
  6. 2.140 km ESE of Adak, Alaska · 2653 days ago · 75 km deep · 54 km away
  7. 1.848 km SW of Atka, Alaska · 2652 days ago · 28 km deep · 48 km away
  8. 1.549 km S of Adak, Alaska · 2651 days ago · 15 km deep · 95 km away
  9. 2.193 km SW of Atka, Alaska · 2651 days ago · 36 km deep · 30 km away
  10. 2.578 km SW of Atka, Alaska · 2650 days ago · 10 km deep · 20 km away
  11. 2.573 km SE of Adak, Alaska · 2650 days ago · 35 km deep · 72 km away
  12. 2.273 km SE of Adak, Alaska · 2650 days ago · 35 km deep · 73 km away
  13. 2.164 km SE of Adak, Alaska · 2650 days ago · 26 km deep · 71 km away
  14. 2.566 km SSE of Adak, Alaska · 2650 days ago · 28 km deep · 77 km away
  15. 2.624 km NNW of Atka, Alaska · 2650 days ago · 178 km deep · 93 km away
  16. 2.137 km NE of Adak, Alaska · 2650 days ago · 133 km deep · 72 km away
  17. 1.948 km SSE of Atka, Alaska · 2650 days ago · 22 km deep · 97 km away
  18. 3.316 km SE of Atka, Alaska · 2649 days ago · 70 km deep · 95 km away
  19. 2.3106 km SE of Adak, Alaska · 2649 days ago · 35 km deep · 58 km away
  20. 1.565 km ESE of Adak, Alaska · 2647 days ago · 23 km deep · 48 km away
  21. 2.050 km S of Adak, Alaska · 2647 days ago · 27 km deep · 95 km away
  22. 2.721 km NE of Adak, Alaska · 2647 days ago · 106 km deep · 78 km away
  23. 2.647 km ENE of Adak, Alaska · 2647 days ago · 131 km deep · 46 km away
  24. 2.5106 km SSW of Atka, Alaska · 2646 days ago · 8 km deep · 73 km away
  25. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2645 days ago · 23 km deep · 67 km away
  26. 1.883 km ESE of Adak, Alaska · 2645 days ago · 16 km deep · 40 km away
  27. 1.729 km S of Atka, Alaska · 2645 days ago · 54 km deep · 78 km away
  28. 1.669 km SW of Atka, Alaska · 2645 days ago · 44 km deep · 26 km away
  29. 1.824 km SSW of Adak, Alaska · 2645 days ago · 73 km deep · 98 km away
  30. 1.590 km ESE of Adak, Alaska · 2644 days ago · 36 km deep · 31 km away
  31. 2.046 km E of Adak, Alaska · 2644 days ago · 139 km deep · 44 km away
  32. 3.689 km SW of Atka, Alaska · 2644 days ago · 29 km deep · 30 km away
  33. 3.161 km ENE of Adak, Alaska · 2644 days ago · 208 km deep · 35 km away
  34. 1.677 km W of Atka, Alaska · 2644 days ago · 117 km deep · 34 km away
  35. 2.510 km NNW of Atka, Alaska · 2644 days ago · 237 km deep · 86 km away
  36. 2.694 km SE of Adak, Alaska · 2643 days ago · 35 km deep · 53 km away
  37. 1.591 km SW of Atka, Alaska · 2643 days ago · 26 km deep · 25 km away
  38. 1.641 km SSE of Adak, Alaska · 2640 days ago · 34 km deep · 80 km away
  39. 1.667 km E of Adak, Alaska · 2640 days ago · 84 km deep · 24 km away
  40. 3.422 km N of Atka, Alaska · 2639 days ago · 162 km deep · 96 km away
  41. 2.167 km NW of Atka, Alaska · 2639 days ago · 211 km deep · 95 km away
  42. 1.747 km SW of Atka, Alaska · 2639 days ago · 64 km deep · 43 km away
  43. 2.064 km SE of Adak, Alaska · 2639 days ago · 18 km deep · 60 km away
  44. 1.840 km ENE of Adak, Alaska · 2638 days ago · 116 km deep · 52 km away
  45. 1.760 km SE of Adak, Alaska · 2637 days ago · 26 km deep · 67 km away
  46. 2.470 km SSW of Atka, Alaska · 2637 days ago · 35 km deep · 58 km away
  47. 1.842 km S of Atka, Alaska · 2637 days ago · 47 km deep · 76 km away
  48. 2.537 km SSE of Adak, Alaska · 2636 days ago · 48 km deep · 81 km away
  49. 1.644 km S of Atka, Alaska · 2635 days ago · 20 km deep · 83 km away
  50. 1.972 km SSE of Adak, Alaska · 2635 days ago · 26 km deep · 97 km away
  51. 2.878 km SSE of Adak, Alaska · 2635 days ago · 27 km deep · 95 km away
  52. 2.357 km SE of Adak, Alaska · 2634 days ago · 26 km deep · 71 km away
  53. 2.359 km W of Atka, Alaska · 2633 days ago · 117 km deep · 50 km away
  54. 1.818 km SE of Adak, Alaska · 2633 days ago · 69 km deep · 78 km away
  55. 4.099 km SW of Atka, Alaska · 2632 days ago · 35 km deep · 31 km away
  56. 2.5100 km SW of Atka, Alaska · 2632 days ago · 35 km deep · 35 km away
  57. 1.86 km WNW of Atka, Alaska · 2632 days ago · 188 km deep · 83 km away
  58. 1.565 km ESE of Adak, Alaska · 2632 days ago · 26 km deep · 45 km away
  59. 1.952 km NE of Adak, Alaska · 2632 days ago · 227 km deep · 71 km away
  60. 2.467 km S of Atka, Alaska · 2631 days ago · 10 km deep · 80 km away

The first 60 of 136.

Before

  1. 2.276 km W of Atka, Alaska · 2655 days ago · 191 km deep · 36 km away
  2. 3.114 km NNE of Atka, Alaska · 2657 days ago · 174 km deep · 98 km away
  3. 2.069 km SSE of Adak, Alaska · 2658 days ago · 20 km deep · 94 km away
  4. 2.155 km NW of Atka, Alaska · 2660 days ago · 193 km deep · 91 km away
  5. 1.562 km SE of Adak, Alaska · 2660 days ago · 52 km deep · 60 km away
  6. 1.554 km SSE of Adak, Alaska · 2661 days ago · 25 km deep · 77 km away
  7. 2.280 km SSE of Adak, Alaska · 2661 days ago · 8 km deep · 88 km away
  8. 1.78 km ESE of Adak, Alaska · 2661 days ago · 70 km deep · 81 km away
  9. 1.691 km ESE of Adak, Alaska · 2662 days ago · 42 km deep · 19 km away
  10. 2.148 km S of Atka, Alaska · 2662 days ago · 43 km deep · 69 km away
  11. 1.888 km SSW of Atka, Alaska · 2662 days ago · 25 km deep · 49 km away
  12. 2.667 km SW of Atka, Alaska · 2662 days ago · 32 km deep · 37 km away
  13. 1.775 km E of Adak, Alaska · 2663 days ago · 24 km deep · 15 km away
  14. 3.677 km E of Adak, Alaska · 2663 days ago · 35 km deep · 13 km away
  15. 1.758 km ESE of Adak, Alaska · 2663 days ago · 52 km deep · 47 km away
  16. 1.662 km SSE of Adak, Alaska · 2663 days ago · 26 km deep · 74 km away
  17. 1.649 km SE of Adak, Alaska · 2663 days ago · 13 km deep · 72 km away
  18. 1.6102 km SW of Atka, Alaska · 2664 days ago · 26 km deep · 35 km away
  19. 2.254 km SE of Adak, Alaska · 2664 days ago · 30 km deep · 60 km away
  20. 1.885 km E of Adak, Alaska · 2667 days ago · 54 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004mgu (also filed as ak01984xegli). Read Thu, Oct 1, 2026, 3:13 PM UTC.