Japan earthquakes

M4.1 earthquake 45 km NNW of Yonakuni, Japan

A magnitude 4.1 earthquake struck 45 km NNW of Yonakuni, Japan on Sun, Mar 16, 1986, 2:47 AM GMT+8 (18:47 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.9 37 km NNW 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
4.1 (mb), light
Local time
UTC
1986-03-15 18:47:26 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
24.871° N, 122.909° 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 1.5 and up: 133 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.937 km NNW of Yonakuni, Japan · 14800 days ago · 33 km deep · 9 km away
  2. 4.739 km N of Yonakuni, Japan · 14800 days ago · 33 km deep · 7 km away
  3. 4.744 km NNW of Yonakuni, Japan · 14799 days ago · 33 km deep · 2 km away
  4. 4.831 km NNE of Yonakuni, Japan · 14798 days ago · 33 km deep · 22 km away
  5. 5.032 km NNW of Yonakuni, Japan · 14797 days ago · 33 km deep · 14 km away
  6. 4.734 km N of Yonakuni, Japan · 14797 days ago · 33 km deep · 11 km away
  7. 4.550 km WSW of Yonakuni, Japan · 14794 days ago · 33 km deep · 69 km away
  8. 4.831 km NW of Yonakuni, Japan · 14794 days ago · 27 km deep · 21 km away
  9. 5.041 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 5 km away
  10. 4.529 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 23 km away
  11. 4.933 km NW of Yonakuni, Japan · 14794 days ago · 39 km deep · 25 km away
  12. 5.131 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 16 km away
  13. 5.020 km SSW of Yonakuni, Japan · 14794 days ago · 33 km deep · 64 km away
  14. 4.644 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 5 km away
  15. 4.641 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 17 km away
  16. 4.634 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 18 km away
  17. 4.5Taiwan region · 14794 days ago · 33 km deep · 20 km away
  18. 5.333 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 15 km away
  19. 5.136 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 10 km away
  20. 5.054 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 9 km away
  21. 4.925 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 27 km away
  22. 5.337 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 9 km away
  23. 5.3Taiwan region · 14794 days ago · 37 km deep · 17 km away
  24. 5.019 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 31 km away
  25. 5.632 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 13 km away
  26. 4.7Taiwan region · 14794 days ago · 33 km deep · 69 km away
  27. 4.759 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 34 km away
  28. 5.238 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 8 km away
  29. 5.053 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 31 km away
  30. 5.036 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 10 km away
  31. 5.034 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 12 km away
  32. 5.632 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 25 km away
  33. 4.926 km WNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 39 km away
  34. 4.842 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 5 km away
  35. 5.059 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 19 km away
  36. 5.143 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 4 km away
  37. 5.829 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 24 km away
  38. 5.147 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 32 km away
  39. 5.044 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 14 km away
  40. 4.944 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 7 km away
  41. 5.132 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 13 km away
  42. 5.333 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 13 km away
  43. 4.951 km NNE of Yonakuni, Japan · 14794 days ago · 33 km deep · 36 km away
  44. 4.732 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 16 km away
  45. 4.749 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 13 km away
  46. 4.98 km WNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 43 km away
  47. 5.442 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 16 km away
  48. 5.153 km NNE of Yonakuni, Japan · 14794 days ago · 33 km deep · 28 km away
  49. 4.727 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 19 km away
  50. 4.939 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 12 km away
  51. 4.750 km NE of Yonakuni, Japan · 14794 days ago · 33 km deep · 49 km away
  52. 5.428 km N of Yonakuni, Japan · 14794 days ago · 33 km deep · 19 km away
  53. 5.129 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 20 km away
  54. 4.7Taiwan region · 14794 days ago · 33 km deep · 21 km away
  55. 4.532 km NNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 14 km away
  56. 4.664 km ESE of Jiufen, Taiwan · 14794 days ago · 33 km deep · 52 km away
  57. 4.9southwestern Ryukyu Islands, Japan · 14794 days ago · 33 km deep · 15 km away
  58. 4.929 km WNW of Yonakuni, Japan · 14794 days ago · 33 km deep · 36 km away
  59. 4.562 km NW of Yonakuni, Japan · 14794 days ago · 33 km deep · 36 km away
  60. 5.023 km NE of Yonakuni, Japan · 14794 days ago · 33 km deep · 38 km away

The first 60 of 133.

Before

  1. 4.531 km NNE of Yonakuni, Japan · 14801 days ago · 33 km deep · 25 km away
  2. 5.047 km ESE of Yonakuni, Japan · 14809 days ago · 64 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002rw6. Read Tue, Sep 22, 2026, 11:02 AM UTC.