Alaska earthquakes

M3.9 earthquake 266 km W of Adak, Alaska

A magnitude 3.9 earthquake struck 266 km W of Adak, Alaska on Mon, Apr 29, 2019, 7:53 PM GMT+12 (07:53 UTC), 71 km (44 mi) below the surface.

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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
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-04-29 07:53:05 UTC
Depth
71.4 km (44.4 mi), intermediate-depth
Epicenter
51.843° N, 179.499° E
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
3.9mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.162 · 10 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 7.7 km horizontally, 10.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
193°, poorly surrounded by stations
Stations used
34

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 3.4280 km WNW of Adak, Alaska · 2707 days ago · 168 km deep · 99 km away
  2. 1.9197 km W of Adak, Alaska · 2699 days ago · 69 km deep · 76 km away
  3. 2.3279 km W of Adak, Alaska · 2697 days ago · 59 km deep · 38 km away
  4. 3.0Rat Islands, Aleutian Islands, Alaska · 2697 days ago · 35 km deep · 46 km away
  5. 2.1171 km W of Adak, Alaska · 2696 days ago · 13 km deep · 98 km away
  6. 2.5285 km W of Adak, Alaska · 2695 days ago · 10 km deep · 47 km away
  7. 2.2Rat Islands, Aleutian Islands, Alaska · 2694 days ago · 70 km deep · 88 km away
  8. 2.6Rat Islands, Aleutian Islands, Alaska · 2694 days ago · 35 km deep · 84 km away
  9. 2.4206 km W of Adak, Alaska · 2693 days ago · 149 km deep · 71 km away
  10. 3.6267 km W of Adak, Alaska · 2693 days ago · 60 km deep · 18 km away
  11. 2.3170 km W of Adak, Alaska · 2692 days ago · 138 km deep · 95 km away
  12. 2.9Rat Islands, Aleutian Islands, Alaska · 2692 days ago · 21 km deep · 97 km away
  13. 2.7260 km WSW of Adak, Alaska · 2691 days ago · 30 km deep · 54 km away
  14. 2.3248 km W of Adak, Alaska · 2688 days ago · 33 km deep · 49 km away
  15. 2.5223 km WSW of Adak, Alaska · 2687 days ago · 35 km deep · 97 km away
  16. 3.3Rat Islands, Aleutian Islands, Alaska · 2686 days ago · 35 km deep · 95 km away
  17. 2.3192 km W of Adak, Alaska · 2682 days ago · 57 km deep · 83 km away
  18. 2.3242 km W of Adak, Alaska · 2681 days ago · 37 km deep · 43 km away
  19. 2.6Rat Islands, Aleutian Islands, Alaska · 2674 days ago · 35 km deep · 78 km away
  20. 3.0Rat Islands, Aleutian Islands, Alaska · 2673 days ago · 157 km deep · 75 km away
  21. 3.0267 km W of Adak, Alaska · 2672 days ago · 30 km deep · 36 km away
  22. 1.8201 km WSW of Adak, Alaska · 2671 days ago · 13 km deep · 91 km away
  23. 1.7189 km WSW of Adak, Alaska · 2670 days ago · 33 km deep · 97 km away
  24. 2.1236 km WSW of Adak, Alaska · 2669 days ago · 21 km deep · 74 km away
  25. 2.6Rat Islands, Aleutian Islands, Alaska · 2669 days ago · 89 km deep · 63 km away
  26. 1.7Rat Islands, Aleutian Islands, Alaska · 2667 days ago · 2 km deep · 86 km away
  27. 2.2Rat Islands, Aleutian Islands, Alaska · 2667 days ago · 65 km deep · 49 km away
  28. 2.1Rat Islands, Aleutian Islands, Alaska · 2666 days ago · 23 km deep · 66 km away
  29. 2.4223 km W of Adak, Alaska · 2665 days ago · 91 km deep · 46 km away
  30. 2.5198 km W of Adak, Alaska · 2663 days ago · 173 km deep · 68 km away
  31. 2.9Rat Islands, Aleutian Islands, Alaska · 2663 days ago · 58 km deep · 97 km away
  32. 2.4228 km WSW of Adak, Alaska · 2662 days ago · 48 km deep · 74 km away
  33. 2.0Rat Islands, Aleutian Islands, Alaska · 2662 days ago · 16 km deep · 82 km away
  34. 1.7Rat Islands, Aleutian Islands, Alaska · 2662 days ago · -3 km deep · 90 km away
  35. 1.7186 km WSW of Adak, Alaska · 2662 days ago · 71 km deep · 94 km away
  36. 2.2201 km W of Adak, Alaska · 2661 days ago · 13 km deep · 66 km away
  37. 1.9200 km W of Adak, Alaska · 2661 days ago · 7 km deep · 67 km away
  38. 1.9Rat Islands, Aleutian Islands, Alaska · 2661 days ago · 42 km deep · 66 km away
  39. 2.1Rat Islands, Aleutian Islands, Alaska · 2660 days ago · 110 km deep · 61 km away
  40. 1.9Rat Islands, Aleutian Islands, Alaska · 2660 days ago · 81 km deep · 56 km away
  41. 2.1Rat Islands, Aleutian Islands, Alaska · 2660 days ago · 115 km deep · 71 km away
  42. 1.6266 km W of Adak, Alaska · 2655 days ago · 95 km deep · 14 km away
  43. 2.3Rat Islands, Aleutian Islands, Alaska · 2654 days ago · 76 km deep · 76 km away
  44. 2.2Rat Islands, Aleutian Islands, Alaska · 2653 days ago · 67 km deep · 64 km away
  45. 1.9263 km WSW of Adak, Alaska · 2653 days ago · 21 km deep · 72 km away

Before

  1. 2.8186 km WSW of Adak, Alaska · 2717 days ago · 50 km deep · 93 km away
  2. 3.1225 km W of Adak, Alaska · 2719 days ago · 55 km deep · 41 km away
  3. 3.1Rat Islands, Aleutian Islands, Alaska · 2721 days ago · 130 km deep · 97 km away
  4. 2.4180 km W of Adak, Alaska · 2726 days ago · 42 km deep · 94 km away
  5. 2.8192 km WSW of Adak, Alaska · 2726 days ago · 57 km deep · 92 km away
  6. 2.7175 km W of Adak, Alaska · 2728 days ago · 86 km deep · 92 km away
  7. 3.9Rat Islands, Aleutian Islands, Alaska · 2729 days ago · 10 km deep · 93 km away
  8. 2.4184 km WSW of Adak, Alaska · 2731 days ago · 37 km deep · 97 km away
  9. 3.8Rat Islands, Aleutian Islands, Alaska · 2732 days ago · 106 km deep · 77 km away
  10. 2.8293 km W of Adak, Alaska · 2737 days ago · 20 km deep · 42 km away
  11. 3.3252 km W of Adak, Alaska · 2738 days ago · 125 km deep · 55 km away
  12. 4.1271 km WSW of Adak, Alaska · 2738 days ago · 158 km deep · 58 km away
  13. 3.9Rat Islands, Aleutian Islands, Alaska · 2738 days ago · 10 km deep · 98 km away
  14. 4.2Rat Islands, Aleutian Islands, Alaska · 2739 days ago · 10 km deep · 93 km away
  15. 4.6Rat Islands, Aleutian Islands, Alaska · 2739 days ago · 10 km deep · 100 km away
  16. 4.2Rat Islands, Aleutian Islands, Alaska · 2739 days ago · 10 km deep · 95 km away
  17. 4.6Rat Islands, Aleutian Islands, Alaska · 2739 days ago · 10 km deep · 97 km away
  18. 5.2Rat Islands, Aleutian Islands, Alaska · 2739 days ago · 10 km deep · 96 km away
  19. 3.9Rat Islands, Aleutian Islands, Alaska · 2739 days ago · 115 km deep · 83 km away
  20. 4.7Rat Islands, Aleutian Islands, Alaska · 2740 days ago · 10 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003fx5 (also filed as ak0195gxfr9y). Read Thu, Oct 1, 2026, 8:13 PM UTC.