Japan earthquakes

M6.1 earthquake 112 km E of Miyako, Japan

A magnitude 6.1 earthquake struck 112 km E of Miyako, Japan on Sat, May 18, 1968, 3:17 AM JST (18:17 UTC), 38 km (23 mi) below the surface.

A larger quake followed: M6.1 121 km E of Noda, Japan. This one was a foreshock.

Miyako forecastMore in Japan

Map

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

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The earthquake

Magnitude
6.1 (mw), strong
Local time
UTC
1968-05-17 18:17:09 UTC
Depth
37.5 km (23.3 mi), shallow
Epicenter
39.656° N, 143.247° 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.

Magnitude uncertainty
±0.30
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 28 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.8184 km ENE of Miyako, Japan · 21309 days ago · 15 km deep · 86 km away
  2. 5.9170 km ENE of Noda, Japan · 21309 days ago · 24 km deep · 97 km away
  3. 6.055 km ENE of Noda, Japan · 21307 days ago · 45 km deep · 99 km away
  4. 5.6153 km E of Noda, Japan · 21306 days ago · 17 km deep · 79 km away
  5. 5.5166 km E of Noda, Japan · 21306 days ago · 17 km deep · 77 km away
  6. 6.1121 km E of Noda, Japan · 21304 days ago · 36 km deep · 58 km away
  7. 5.5175 km E of Noda, Japan · 21300 days ago · 35 km deep · 87 km away
  8. 5.877 km NNE of Miyako, Japan · 21297 days ago · 45 km deep · 98 km away
  9. 7.087 km E of Yamada, Japan · 21286 days ago · 32 km deep · 30 km away
  10. 5.596 km ESE of Yamada, Japan · 21286 days ago · 25 km deep · 54 km away
  11. 6.288 km E of Yamada, Japan · 21286 days ago · 31 km deep · 41 km away
  12. 5.897 km E of Yamada, Japan · 21286 days ago · 31 km deep · 19 km away
  13. 5.891 km E of Yamada, Japan · 21285 days ago · 23 km deep · 29 km away
  14. 5.7122 km ESE of Yamada, Japan · 21285 days ago · 16 km deep · 52 km away
  15. 5.999 km ESE of Yamada, Japan · 21285 days ago · 17 km deep · 49 km away
  16. 6.191 km E of Yamada, Japan · 21285 days ago · 34 km deep · 31 km away
  17. 5.885 km E of Yamada, Japan · 21284 days ago · 24 km deep · 34 km away
  18. 5.791 km E of Yamada, Japan · 21284 days ago · 25 km deep · 42 km away
  19. 5.681 km E of Yamada, Japan · 21283 days ago · 20 km deep · 40 km away
  20. 5.9168 km E of Noda, Japan · 21281 days ago · 20 km deep · 79 km away
  21. 5.899 km E of Yamada, Japan · 21279 days ago · 29 km deep · 21 km away
  22. 6.1166 km E of Noda, Japan · 21276 days ago · 21 km deep · 93 km away
  23. 5.8139 km E of Miyako, Japan · 21273 days ago · 24 km deep · 28 km away
  24. 5.5150 km E of Miyako, Japan · 21266 days ago · 10 km deep · 40 km away
  25. 5.587 km E of Yamada, Japan · 21259 days ago · 27 km deep · 32 km away
  26. 5.9134 km E of Noda, Japan · 21258 days ago · 19 km deep · 69 km away
  27. 6.0109 km E of Yamada, Japan · 21257 days ago · 22 km deep · 12 km away
  28. 6.0113 km E of Miyako, Japan · 21256 days ago · 20 km deep · 5 km away

Before

  1. 5.6155 km E of Miyako, Japan · 21312 days ago · 21 km deep · 44 km away
  2. 6.2134 km E of Miyako, Japan · 21312 days ago · 35 km deep · 23 km away
  3. 5.6154 km ESE of Yamada, Japan · 21312 days ago · 21 km deep · 66 km away
  4. 6.5111 km E of Miyako, Japan · 21313 days ago · 48 km deep · 17 km away
  5. 6.7146 km E of Miyako, Japan · 21313 days ago · 25 km deep · 37 km away
  6. 5.569 km E of Miyako, Japan · 21313 days ago · 36 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem822266. Read Tue, Sep 22, 2026, 12:15 PM UTC.