Japan earthquakes

M4.6 earthquake 39 km WNW of Yonakuni, Japan

A magnitude 4.6 earthquake struck 39 km WNW of Yonakuni, Japan on Sun, Mar 23, 1986, 6:42 PM GMT+8 (10:42 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.9 28 km N of Yonakuni, Japan. 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
4.6 (mb), light
Local time
UTC
1986-03-23 10:42:19 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
24.618° N, 122.643° E
Region
Japan
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.6 and up: 49 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 4.928 km N of Yonakuni, Japan · 14793 days ago · 33 km deep · 41 km away
  2. 4.571 km NE of Yonakuni, Japan · 14793 days ago · 33 km deep · 90 km away
  3. 5.033 km N of Yonakuni, Japan · 14793 days ago · 45 km deep · 41 km away
  4. 4.528 km NW of Yonakuni, Japan · 14793 days ago · 33 km deep · 18 km away
  5. 4.641 km W of Yonakuni, Japan · 14793 days ago · 33 km deep · 24 km away
  6. 5.146 km NW of Yonakuni, Japan · 14792 days ago · 31 km deep · 18 km away
  7. 4.437 km NNE of Yonakuni, Japan · 14792 days ago · 33 km deep · 50 km away
  8. 4.859 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 80 km away
  9. 4.941 km NNE of Yonakuni, Japan · 14792 days ago · 33 km deep · 56 km away
  10. 5.127 km N of Yonakuni, Japan · 14792 days ago · 26 km deep · 40 km away
  11. 4.652 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 75 km away
  12. 4.571 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 94 km away
  13. 4.537 km NE of Yonakuni, Japan · 14792 days ago · 33 km deep · 62 km away
  14. 4.845 km N of Yonakuni, Japan · 14791 days ago · 33 km deep · 41 km away
  15. 4.341 km NE of Yonakuni, Japan · 14791 days ago · 33 km deep · 62 km away
  16. 4.456 km NNE of Yonakuni, Japan · 14791 days ago · 33 km deep · 68 km away
  17. 5.039 km NNW of Yonakuni, Japan · 14791 days ago · 33 km deep · 34 km away
  18. 5.242 km NNE of Yonakuni, Japan · 14791 days ago · 31 km deep · 57 km away
  19. 4.837 km NW of Yonakuni, Japan · 14791 days ago · 33 km deep · 15 km away
  20. 4.365 km WSW of Yonakuni, Japan · 14791 days ago · 33 km deep · 46 km away
  21. 4.845 km NNE of Yonakuni, Japan · 14790 days ago · 33 km deep · 60 km away
  22. 5.031 km NNW of Yonakuni, Japan · 14790 days ago · 32 km deep · 23 km away
  23. 4.424 km N of Yonakuni, Japan · 14789 days ago · 33 km deep · 37 km away
  24. 4.448 km NE of Yonakuni, Japan · 14789 days ago · 33 km deep · 69 km away
  25. 4.333 km NNW of Yonakuni, Japan · 14788 days ago · 33 km deep · 25 km away
  26. 4.948 km N of Yonakuni, Japan · 14788 days ago · 33 km deep · 50 km away
  27. 4.439 km NW of Yonakuni, Japan · 14788 days ago · 33 km deep · 11 km away
  28. 4.659 km NE of Yonakuni, Japan · 14788 days ago · 33 km deep · 79 km away
  29. 4.438 km NNE of Yonakuni, Japan · 14787 days ago · 33 km deep · 54 km away
  30. 3.8Taiwan region · 14787 days ago · 33 km deep · 29 km away
  31. 4.434 km NNW of Yonakuni, Japan · 14787 days ago · 33 km deep · 33 km away
  32. 4.462 km NNE of Yonakuni, Japan · 14787 days ago · 33 km deep · 73 km away
  33. 5.039 km NNW of Yonakuni, Japan · 14786 days ago · 33 km deep · 34 km away
  34. 4.638 km NNW of Yonakuni, Japan · 14785 days ago · 33 km deep · 24 km away
  35. 4.557 km SSE of Yonakuni, Japan · 14783 days ago · 33 km deep · 91 km away
  36. 4.327 km NNW of Yonakuni, Japan · 14783 days ago · 33 km deep · 30 km away
  37. 3.944 km NNE of Yonakuni, Japan · 14782 days ago · 33 km deep · 60 km away
  38. 4.744 km NNE of Yonakuni, Japan · 14780 days ago · 30 km deep · 64 km away
  39. 4.361 km N of Yonakuni, Japan · 14779 days ago · 33 km deep · 58 km away
  40. 4.411 km SE of Yilan, Taiwan · 14777 days ago · 33 km deep · 82 km away
  41. 4.429 km SE of Yonakuni, Japan · 14776 days ago · 33 km deep · 69 km away
  42. 5.054 km NE of Yonakuni, Japan · 14765 days ago · 29 km deep · 77 km away
  43. 5.162 km NE of Yonakuni, Japan · 14765 days ago · 33 km deep · 83 km away
  44. 4.011 km ESE of Yonakuni, Japan · 14764 days ago · 33 km deep · 51 km away
  45. 4.515 km N of Yonakuni, Japan · 14764 days ago · 33 km deep · 37 km away
  46. 4.339 km WNW of Yonakuni, Japan · 14763 days ago · 29 km deep · 1 km away
  47. 4.162 km ENE of Hualien City, Taiwan · 14755 days ago · 33 km deep · 66 km away
  48. 4.576 km NE of Yonakuni, Japan · 14749 days ago · 72 km deep · 98 km away
  49. 4.850 km N of Yonakuni, Japan · 14737 days ago · 33 km deep · 53 km away

Before

  1. 4.728 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 50 km away
  2. 4.732 km N of Yonakuni, Japan · 14793 days ago · 33 km deep · 43 km away
  3. 4.656 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 63 km away
  4. 4.832 km N of Yonakuni, Japan · 14793 days ago · 33 km deep · 42 km away
  5. 4.838 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 55 km away
  6. 4.930 km NNE of Yonakuni, Japan · 14793 days ago · 30 km deep · 49 km away
  7. 4.815 km NE of Yonakuni, Japan · 14793 days ago · 33 km deep · 46 km away
  8. 4.736 km NNE of Yonakuni, Japan · 14793 days ago · 33 km deep · 53 km away
  9. 4.7southwestern Ryukyu Islands, Japan · 14793 days ago · 33 km deep · 54 km away
  10. 4.736 km NNW of Yonakuni, Japan · 14793 days ago · 33 km deep · 30 km away
  11. 5.036 km NNE of Yonakuni, Japan · 14793 days ago · 20 km deep · 55 km away
  12. 4.838 km NW of Yonakuni, Japan · 14793 days ago · 33 km deep · 21 km away
  13. 4.730 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 28 km away
  14. 4.8Taiwan region · 14794 days ago · 33 km deep · 23 km away
  15. 5.026 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 35 km away
  16. 4.751 km NE of Yonakuni, Japan · 14794 days ago · 33 km deep · 70 km away
  17. 4.934 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 28 km away
  18. 4.635 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 25 km away
  19. 4.820 km NNE of Yonakuni, Japan · 14794 days ago · 33 km deep · 44 km away
  20. 5.343 km NNE of Yonakuni, Japan · 14794 days ago · 33 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002s5a. Read Tue, Sep 22, 2026, 9:40 AM UTC.