Alaska earthquakes

M4.0 earthquake 102 km ENE of Atka, Alaska

A magnitude 4.0 earthquake struck 102 km ENE of Atka, Alaska on Fri, Jul 5, 2019, 1:05 AM HADT (10:05 UTC), 107 km (67 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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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-07-05 10:05:58 UTC
Depth
107.2 km (66.6 mi), intermediate-depth
Epicenter
52.436° N, 172.752° 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
4.0mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.048 · 115 stations
4.2ML, 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 7.3 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
162°
Stations used
234

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.763 km E of Atka, Alaska · 2642 days ago · 14 km deep · 41 km away
  2. 1.831 km ESE of Atka, Alaska · 2640 days ago · 123 km deep · 82 km away
  3. 2.147 km NNE of Atka, Alaska · 2636 days ago · 162 km deep · 76 km away
  4. 2.8114 km NE of Atka, Alaska · 2635 days ago · 162 km deep · 69 km away
  5. 1.9129 km E of Atka, Alaska · 2632 days ago · 49 km deep · 32 km away
  6. 2.258 km SE of Atka, Alaska · 2631 days ago · 15 km deep · 94 km away
  7. 3.732 km NNE of Atka, Alaska · 2630 days ago · 163 km deep · 81 km away
  8. 2.177 km ESE of Atka, Alaska · 2630 days ago · 83 km deep · 61 km away
  9. 2.779 km ESE of Atka, Alaska · 2626 days ago · 35 km deep · 76 km away
  10. 2.174 km SE of Atka, Alaska · 2623 days ago · 28 km deep · 86 km away
  11. 3.7169 km ESE of Atka, Alaska · 2619 days ago · 49 km deep · 89 km away
  12. 2.879 km SE of Atka, Alaska · 2615 days ago · 35 km deep · 84 km away
  13. 2.054 km ESE of Atka, Alaska · 2613 days ago · 55 km deep · 76 km away
  14. 3.786 km ESE of Atka, Alaska · 2608 days ago · 27 km deep · 67 km away
  15. 2.066 km ESE of Atka, Alaska · 2608 days ago · 56 km deep · 68 km away
  16. 1.880 km ESE of Atka, Alaska · 2607 days ago · 34 km deep · 74 km away
  17. 2.521 km ENE of Atka, Alaska · 2607 days ago · 148 km deep · 82 km away
  18. 2.7143 km E of Atka, Alaska · 2603 days ago · 47 km deep · 52 km away
  19. 3.264 km NE of Atka, Alaska · 2601 days ago · 21 km deep · 47 km away
  20. 2.534 km ESE of Atka, Alaska · 2597 days ago · 12 km deep · 77 km away
  21. 4.270 km ENE of Atka, Alaska · 2597 days ago · 14 km deep · 42 km away
  22. 2.055 km NE of Atka, Alaska · 2594 days ago · 25 km deep · 69 km away
  23. 1.659 km NE of Atka, Alaska · 2594 days ago · 65 km deep · 56 km away
  24. 1.825 km NNE of Atka, Alaska · 2594 days ago · 139 km deep · 91 km away
  25. 1.661 km E of Atka, Alaska · 2594 days ago · 20 km deep · 50 km away
  26. 2.230 km N of Atka, Alaska · 2593 days ago · 213 km deep · 97 km away
  27. 2.465 km E of Atka, Alaska · 2592 days ago · 17 km deep · 42 km away
  28. 2.675 km ESE of Atka, Alaska · 2591 days ago · 11 km deep · 51 km away
  29. 2.683 km ESE of Atka, Alaska · 2591 days ago · 35 km deep · 70 km away
  30. 2.528 km N of Atka, Alaska · 2590 days ago · 218 km deep · 98 km away
  31. 4.1177 km E of Atka, Alaska · 2589 days ago · 45 km deep · 91 km away

Before

  1. 2.267 km NNE of Atka, Alaska · 2647 days ago · 180 km deep · 82 km away
  2. 3.316 km SE of Atka, Alaska · 2650 days ago · 70 km deep · 93 km away
  3. 2.477 km SE of Atka, Alaska · 2651 days ago · 35 km deep · 91 km away
  4. 3.619 km ENE of Atka, Alaska · 2653 days ago · 151 km deep · 82 km away
  5. 3.114 km NNE of Atka, Alaska · 2657 days ago · 174 km deep · 94 km away
  6. 3.1109 km E of Atka, Alaska · 2658 days ago · 103 km deep · 11 km away
  7. 3.2109 km E of Atka, Alaska · 2658 days ago · 103 km deep · 11 km away
  8. 2.370 km SE of Atka, Alaska · 2660 days ago · 15 km deep · 82 km away
  9. 2.556 km NNE of Atka, Alaska · 2660 days ago · 158 km deep · 76 km away
  10. 2.7132 km ESE of Atka, Alaska · 2661 days ago · 35 km deep · 65 km away
  11. 3.075 km ESE of Atka, Alaska · 2671 days ago · 35 km deep · 73 km away
  12. 2.633 km N of Atka, Alaska · 2671 days ago · 195 km deep · 98 km away
  13. 3.176 km ESE of Atka, Alaska · 2672 days ago · 30 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70004awd (also filed as ak0198jry2ze). Read Thu, Oct 1, 2026, 8:12 PM UTC.