Alaska earthquakes

M3.4 earthquake 22 km N of Atka, Alaska

A magnitude 3.4 earthquake struck 22 km N of Atka, Alaska on Wed, Jul 10, 2019, 8:21 PM HADT (05:21 UTC), 162 km (101 mi) below the surface.

A larger quake followed: M4.2 70 km ENE 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
3.4 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-07-11 05:21:46 UTC
Depth
162.0 km (100.7 mi), intermediate-depth
Epicenter
52.393° N, 174.250° 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
3.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 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 10.6 km horizontally, 9.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
124°
Stations used
48

Nearby

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 2.167 km NW of Atka, Alaska · 2640 days ago · 211 km deep · 50 km away
  2. 1.747 km SW of Atka, Alaska · 2640 days ago · 64 km deep · 63 km away
  3. 2.470 km SSW of Atka, Alaska · 2638 days ago · 35 km deep · 90 km away
  4. 1.842 km S of Atka, Alaska · 2638 days ago · 47 km deep · 64 km away
  5. 2.147 km NNE of Atka, Alaska · 2637 days ago · 162 km deep · 33 km away
  6. 1.644 km S of Atka, Alaska · 2636 days ago · 20 km deep · 66 km away
  7. 2.656 km NNW of Atka, Alaska · 2636 days ago · 177 km deep · 34 km away
  8. 2.359 km W of Atka, Alaska · 2634 days ago · 117 km deep · 57 km away
  9. 1.86 km WNW of Atka, Alaska · 2634 days ago · 188 km deep · 20 km away
  10. 2.467 km S of Atka, Alaska · 2632 days ago · 10 km deep · 89 km away
  11. 2.258 km SE of Atka, Alaska · 2632 days ago · 15 km deep · 78 km away
  12. 1.670 km WSW of Atka, Alaska · 2632 days ago · 77 km deep · 75 km away
  13. 4.011 km WSW of Atka, Alaska · 2631 days ago · 178 km deep · 28 km away
  14. 3.732 km NNE of Atka, Alaska · 2631 days ago · 163 km deep · 22 km away
  15. 2.032 km SW of Atka, Alaska · 2631 days ago · 78 km deep · 49 km away
  16. 1.755 km WSW of Atka, Alaska · 2631 days ago · 68 km deep · 65 km away
  17. 2.177 km ESE of Atka, Alaska · 2631 days ago · 83 km deep · 91 km away
  18. 1.931 km SW of Atka, Alaska · 2628 days ago · 88 km deep · 49 km away
  19. 1.5Andreanof Islands, Aleutian Islands, Alaska · 2628 days ago · 53 km deep · 90 km away
  20. 2.779 km ESE of Atka, Alaska · 2627 days ago · 35 km deep · 95 km away
  21. 2.774 km NNW of Atka, Alaska · 2627 days ago · 196 km deep · 54 km away
  22. 2.944 km N of Atka, Alaska · 2627 days ago · 179 km deep · 23 km away
  23. 1.661 km SW of Atka, Alaska · 2625 days ago · 45 km deep · 75 km away
  24. 2.17 km SSW of Atka, Alaska · 2625 days ago · 141 km deep · 29 km away
  25. 2.057 km W of Atka, Alaska · 2624 days ago · 86 km deep · 62 km away
  26. 2.174 km SE of Atka, Alaska · 2624 days ago · 28 km deep · 92 km away
  27. 3.746 km S of Atka, Alaska · 2618 days ago · 46 km deep · 68 km away
  28. 2.024 km SW of Atka, Alaska · 2618 days ago · 63 km deep · 42 km away
  29. 2.633 km NW of Atka, Alaska · 2618 days ago · 174 km deep · 19 km away
  30. 1.749 km SW of Atka, Alaska · 2616 days ago · 66 km deep · 62 km away
  31. 2.879 km SE of Atka, Alaska · 2616 days ago · 35 km deep · 97 km away
  32. 2.054 km ESE of Atka, Alaska · 2614 days ago · 55 km deep · 71 km away
  33. 2.116 km SSE of Atka, Alaska · 2614 days ago · 131 km deep · 39 km away
  34. 2.37 km NNW of Atka, Alaska · 2613 days ago · 219 km deep · 15 km away
  35. 2.827 km SSW of Atka, Alaska · 2612 days ago · 76 km deep · 48 km away
  36. 2.015 km SSW of Atka, Alaska · 2611 days ago · 66 km deep · 36 km away
  37. 3.786 km ESE of Atka, Alaska · 2609 days ago · 27 km deep · 100 km away
  38. 2.066 km ESE of Atka, Alaska · 2609 days ago · 56 km deep · 81 km away
  39. 2.224 km NW of Atka, Alaska · 2609 days ago · 172 km deep · 13 km away
  40. 1.880 km ESE of Atka, Alaska · 2608 days ago · 34 km deep · 96 km away
  41. 2.521 km ENE of Atka, Alaska · 2608 days ago · 148 km deep · 24 km away
  42. 2.263 km NNW of Atka, Alaska · 2607 days ago · 216 km deep · 44 km away
  43. 1.973 km SW of Atka, Alaska · 2607 days ago · 40 km deep · 88 km away
  44. 2.350 km SSW of Atka, Alaska · 2605 days ago · 5 km deep · 70 km away
  45. 3.264 km NE of Atka, Alaska · 2602 days ago · 21 km deep · 58 km away
  46. 2.534 km ESE of Atka, Alaska · 2598 days ago · 12 km deep · 50 km away
  47. 4.270 km ENE of Atka, Alaska · 2598 days ago · 14 km deep · 64 km away
  48. 2.055 km NE of Atka, Alaska · 2595 days ago · 25 km deep · 42 km away
  49. 1.659 km NE of Atka, Alaska · 2595 days ago · 65 km deep · 51 km away
  50. 1.825 km NNE of Atka, Alaska · 2595 days ago · 139 km deep · 11 km away
  51. 1.661 km E of Atka, Alaska · 2595 days ago · 20 km deep · 70 km away
  52. 1.870 km SW of Atka, Alaska · 2594 days ago · 22 km deep · 85 km away
  53. 1.967 km SW of Atka, Alaska · 2594 days ago · 25 km deep · 81 km away
  54. 1.527 km W of Atka, Alaska · 2594 days ago · 7 km deep · 35 km away
  55. 2.230 km N of Atka, Alaska · 2594 days ago · 213 km deep · 10 km away
  56. 4.093 km NE of Adak, Alaska · 2594 days ago · 177 km deep · 100 km away
  57. 2.465 km E of Atka, Alaska · 2593 days ago · 17 km deep · 71 km away
  58. 2.675 km ESE of Atka, Alaska · 2592 days ago · 11 km deep · 86 km away
  59. 2.629 km WSW of Atka, Alaska · 2592 days ago · 10 km deep · 42 km away
  60. 1.859 km SW of Atka, Alaska · 2592 days ago · 15 km deep · 77 km away

The first 60 of 82.

Before

  1. 1.831 km ESE of Atka, Alaska · 2641 days ago · 123 km deep · 48 km away
  2. 2.763 km E of Atka, Alaska · 2643 days ago · 14 km deep · 68 km away
  3. 2.549 km N of Atka, Alaska · 2645 days ago · 198 km deep · 28 km away
  4. 2.510 km NNW of Atka, Alaska · 2645 days ago · 237 km deep · 13 km away
  5. 1.677 km W of Atka, Alaska · 2645 days ago · 117 km deep · 79 km away
  6. 1.669 km SW of Atka, Alaska · 2646 days ago · 44 km deep · 83 km away
  7. 1.729 km S of Atka, Alaska · 2646 days ago · 54 km deep · 52 km away
  8. 2.267 km NNE of Atka, Alaska · 2648 days ago · 180 km deep · 50 km away
  9. 3.316 km SE of Atka, Alaska · 2651 days ago · 70 km deep · 36 km away
  10. 1.948 km SSE of Atka, Alaska · 2651 days ago · 22 km deep · 70 km away
  11. 2.624 km NNW of Atka, Alaska · 2651 days ago · 178 km deep · 4 km away
  12. 2.578 km SW of Atka, Alaska · 2652 days ago · 10 km deep · 92 km away
  13. 2.477 km SE of Atka, Alaska · 2652 days ago · 35 km deep · 96 km away
  14. 1.848 km SW of Atka, Alaska · 2654 days ago · 28 km deep · 66 km away
  15. 3.619 km ENE of Atka, Alaska · 2654 days ago · 151 km deep · 27 km away
  16. 2.083 km SW of Atka, Alaska · 2654 days ago · 26 km deep · 98 km away
  17. 1.936 km SSW of Atka, Alaska · 2655 days ago · 193 km deep · 55 km away
  18. 1.632 km SSW of Atka, Alaska · 2655 days ago · 172 km deep · 52 km away
  19. 3.586 km WSW of Atka, Alaska · 2655 days ago · 75 km deep · 96 km away
  20. 2.276 km W of Atka, Alaska · 2656 days ago · 191 km deep · 77 km away

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From the USGS Earthquake Hazards Program and its partner networks, event us70004ia7 (also filed as ak0198tmaehx). Read Fri, Oct 2, 2026, 7:32 PM UTC.