Japan earthquakes

M4.9 earthquake 14 km SE of It?, Japan

A magnitude 4.9 earthquake struck 14 km SE of It?, Japan on Mon, Oct 13, 1986, 7:23 PM JST (10:23 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M6.0 59 km ESE of Shimoda, 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
4.9 (mb), light
Local time
UTC
1986-10-13 10:23:40 UTC
Depth
24.4 km (15.2 mi), shallow
Epicenter
34.875° N, 139.195° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 23 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 4.340 km E of Shimoda, Japan · 14557 days ago · 10 km deep · 33 km away
  2. 4.443 km SW of Tateyama, Japan · 14557 days ago · 10 km deep · 31 km away
  3. 5.140 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 38 km away
  4. 5.034 km E of Shimoda, Japan · 14557 days ago · 10 km deep · 23 km away
  5. 4.524 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 27 km away
  6. 4.127 km E of Shimoda, Japan · 14557 days ago · 10 km deep · 23 km away
  7. 4.133 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 37 km away
  8. 4.238 km E of Shimoda, Japan · 14557 days ago · 10 km deep · 33 km away
  9. 4.435 km E of Shimoda, Japan · 14557 days ago · 10 km deep · 26 km away
  10. 4.740 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 46 km away
  11. 4.127 km E of Shimoda, Japan · 14557 days ago · 10 km deep · 21 km away
  12. 4.142 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 38 km away
  13. 4.014 km SSW of It?, Japan · 14557 days ago · 10 km deep · 17 km away
  14. 3.933 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 35 km away
  15. 4.633 km E of Shimoda, Japan · 14557 days ago · 8 km deep · 28 km away
  16. 4.459 km ESE of Shimoda, Japan · 14557 days ago · 10 km deep · 60 km away
  17. 4.554 km ESE of Shimoda, Japan · 14556 days ago · 10 km deep · 51 km away
  18. 6.059 km ESE of Shimoda, Japan · 14556 days ago · 9 km deep · 57 km away
  19. 4.046 km ESE of Shimoda, Japan · 14556 days ago · 10 km deep · 48 km away
  20. 4.052 km ESE of Shimoda, Japan · 14554 days ago · 10 km deep · 51 km away
  21. 4.247 km ESE of Shimoda, Japan · 14554 days ago · 10 km deep · 46 km away
  22. 4.269 km ESE of Shimoda, Japan · 14553 days ago · 10 km deep · 70 km away
  23. 4.161 km SE of Shimoda, Japan · 14553 days ago · 10 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002yx4. Read Tue, Sep 29, 2026, 10:48 AM UTC.