Alaska earthquakes

M2.5 earthquake 56 km NNE of Atka, Alaska

A magnitude 2.5 earthquake struck 56 km NNE of Atka, Alaska on Thu, Jun 20, 2019, 3:09 AM HADT (12:09 UTC), 158 km (98 mi) below the surface.

A larger quake followed: M4.0 102 km ENE of Atka, Alaska. This one was a foreshock.

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Map

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
2019-06-20 12:09:25 UTC
Depth
157.7 km (98.0 mi), intermediate-depth
Epicenter
52.642° N, 173.816° 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 · ±0.128 · 8 stations
2.3ML, 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 21.8 km horizontally, 20.1 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
175°
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.155 km NW of Atka, Alaska · 2660 days ago · 193 km deep · 62 km away
  2. 2.370 km SE of Atka, Alaska · 2660 days ago · 15 km deep · 97 km away
  3. 3.2109 km E of Atka, Alaska · 2659 days ago · 103 km deep · 86 km away
  4. 3.1109 km E of Atka, Alaska · 2659 days ago · 103 km deep · 86 km away
  5. 3.114 km NNE of Atka, Alaska · 2658 days ago · 174 km deep · 42 km away
  6. 1.632 km SSW of Atka, Alaska · 2654 days ago · 172 km deep · 88 km away
  7. 1.936 km SSW of Atka, Alaska · 2654 days ago · 193 km deep · 92 km away
  8. 3.619 km ENE of Atka, Alaska · 2653 days ago · 151 km deep · 45 km away
  9. 2.624 km NNW of Atka, Alaska · 2651 days ago · 178 km deep · 43 km away
  10. 1.948 km SSE of Atka, Alaska · 2650 days ago · 22 km deep · 95 km away
  11. 3.316 km SE of Atka, Alaska · 2650 days ago · 70 km deep · 61 km away
  12. 2.267 km NNE of Atka, Alaska · 2648 days ago · 180 km deep · 13 km away
  13. 4.0102 km ENE of Atka, Alaska · 2646 days ago · 107 km deep · 76 km away
  14. 1.729 km S of Atka, Alaska · 2646 days ago · 54 km deep · 83 km away
  15. 2.510 km NNW of Atka, Alaska · 2644 days ago · 237 km deep · 52 km away
  16. 2.549 km N of Atka, Alaska · 2644 days ago · 198 km deep · 28 km away
  17. 2.763 km E of Atka, Alaska · 2642 days ago · 14 km deep · 57 km away
  18. 1.831 km ESE of Atka, Alaska · 2641 days ago · 123 km deep · 64 km away
  19. 3.422 km N of Atka, Alaska · 2640 days ago · 162 km deep · 40 km away
  20. 2.167 km NW of Atka, Alaska · 2640 days ago · 211 km deep · 71 km away
  21. 1.842 km S of Atka, Alaska · 2637 days ago · 47 km deep · 96 km away
  22. 2.147 km NNE of Atka, Alaska · 2636 days ago · 162 km deep · 9 km away
  23. 1.644 km S of Atka, Alaska · 2636 days ago · 20 km deep · 96 km away
  24. 2.656 km NNW of Atka, Alaska · 2636 days ago · 177 km deep · 38 km away
  25. 2.8114 km NE of Atka, Alaska · 2635 days ago · 162 km deep · 60 km away
  26. 2.359 km W of Atka, Alaska · 2634 days ago · 117 km deep · 95 km away
  27. 1.86 km WNW of Atka, Alaska · 2633 days ago · 188 km deep · 57 km away
  28. 2.258 km SE of Atka, Alaska · 2631 days ago · 15 km deep · 95 km away
  29. 4.011 km WSW of Atka, Alaska · 2631 days ago · 178 km deep · 66 km away
  30. 3.732 km NNE of Atka, Alaska · 2631 days ago · 163 km deep · 24 km away
  31. 2.032 km SW of Atka, Alaska · 2630 days ago · 78 km deep · 88 km away
  32. 2.177 km ESE of Atka, Alaska · 2630 days ago · 83 km deep · 90 km away
  33. 1.931 km SW of Atka, Alaska · 2628 days ago · 88 km deep · 87 km away
  34. 2.779 km ESE of Atka, Alaska · 2627 days ago · 35 km deep · 100 km away
  35. 2.774 km NNW of Atka, Alaska · 2626 days ago · 196 km deep · 63 km away
  36. 2.944 km N of Atka, Alaska · 2626 days ago · 179 km deep · 29 km away
  37. 2.17 km SSW of Atka, Alaska · 2624 days ago · 141 km deep · 63 km away
  38. 2.024 km SW of Atka, Alaska · 2617 days ago · 63 km deep · 80 km away
  39. 2.633 km NW of Atka, Alaska · 2617 days ago · 174 km deep · 54 km away
  40. 2.054 km ESE of Atka, Alaska · 2613 days ago · 55 km deep · 81 km away
  41. 2.116 km SSE of Atka, Alaska · 2613 days ago · 131 km deep · 68 km away
  42. 2.37 km NNW of Atka, Alaska · 2613 days ago · 219 km deep · 52 km away
  43. 2.827 km SSW of Atka, Alaska · 2612 days ago · 76 km deep · 83 km away
  44. 2.015 km SSW of Atka, Alaska · 2610 days ago · 66 km deep · 71 km away
  45. 2.066 km ESE of Atka, Alaska · 2608 days ago · 56 km deep · 85 km away
  46. 2.224 km NW of Atka, Alaska · 2608 days ago · 172 km deep · 52 km away
  47. 1.880 km ESE of Atka, Alaska · 2607 days ago · 34 km deep · 100 km away
  48. 2.521 km ENE of Atka, Alaska · 2607 days ago · 148 km deep · 39 km away
  49. 2.263 km NNW of Atka, Alaska · 2607 days ago · 216 km deep · 59 km away
  50. 3.264 km NE of Atka, Alaska · 2601 days ago · 21 km deep · 29 km away

Before

  1. 3.075 km ESE of Atka, Alaska · 2672 days ago · 35 km deep · 96 km away
  2. 2.633 km N of Atka, Alaska · 2672 days ago · 195 km deep · 30 km away
  3. 3.176 km ESE of Atka, Alaska · 2673 days ago · 30 km deep · 93 km away
  4. 3.952 km NNW of Atka, Alaska · 2673 days ago · 196 km deep · 41 km away
  5. 2.972 km NNW of Atka, Alaska · 2674 days ago · 171 km deep · 55 km away
  6. 2.561 km N of Atka, Alaska · 2678 days ago · 165 km deep · 32 km away
  7. 4.160 km E of Atka, Alaska · 2679 days ago · 184 km deep · 50 km away
  8. 3.710 km WSW of Atka, Alaska · 2682 days ago · 71 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004je6 (also filed as ak0197v03j66). Read Fri, Oct 2, 2026, 7:30 AM UTC.