Japan earthquakes

M5.6 earthquake 155 km E of Miyako, Japan

A magnitude 5.6 earthquake struck 155 km E of Miyako, Japan on Fri, May 17, 1968, 11:53 PM JST (14:53 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M6.1 112 km E of Miyako, 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
5.6 (mw), moderate
Local time
UTC
1968-05-17 14:53:11 UTC
Depth
20.8 km (12.9 mi), shallow
Epicenter
39.693° N, 143.754° 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
±0.20
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 5 in the 30 days before it.

After

  1. 6.1112 km E of Miyako, Japan · 21312 days ago · 38 km deep · 44 km away
  2. 5.8184 km ENE of Miyako, Japan · 21309 days ago · 15 km deep · 58 km away
  3. 5.9170 km ENE of Noda, Japan · 21309 days ago · 24 km deep · 81 km away
  4. 5.6153 km E of Noda, Japan · 21306 days ago · 17 km deep · 70 km away
  5. 5.5166 km E of Noda, Japan · 21305 days ago · 17 km deep · 59 km away
  6. 6.1121 km E of Noda, Japan · 21304 days ago · 36 km deep · 70 km away
  7. 5.5175 km E of Noda, Japan · 21300 days ago · 35 km deep · 65 km away
  8. 5.5191 km E of Noda, Japan · 21289 days ago · 10 km deep · 73 km away
  9. 7.087 km E of Yamada, Japan · 21286 days ago · 32 km deep · 71 km away
  10. 5.596 km ESE of Yamada, Japan · 21286 days ago · 25 km deep · 83 km away
  11. 6.288 km E of Yamada, Japan · 21285 days ago · 31 km deep · 77 km away
  12. 5.897 km E of Yamada, Japan · 21285 days ago · 31 km deep · 60 km away
  13. 5.891 km E of Yamada, Japan · 21285 days ago · 23 km deep · 68 km away
  14. 5.7122 km ESE of Yamada, Japan · 21285 days ago · 16 km deep · 67 km away
  15. 5.999 km ESE of Yamada, Japan · 21285 days ago · 17 km deep · 78 km away
  16. 6.191 km E of Yamada, Japan · 21284 days ago · 34 km deep · 70 km away
  17. 5.885 km E of Yamada, Japan · 21284 days ago · 24 km deep · 74 km away
  18. 5.791 km E of Yamada, Japan · 21284 days ago · 25 km deep · 76 km away
  19. 5.681 km E of Yamada, Japan · 21283 days ago · 20 km deep · 80 km away
  20. 5.9168 km E of Noda, Japan · 21281 days ago · 20 km deep · 59 km away
  21. 5.899 km E of Yamada, Japan · 21279 days ago · 29 km deep · 60 km away
  22. 6.1166 km E of Noda, Japan · 21276 days ago · 21 km deep · 79 km away
  23. 5.8139 km E of Miyako, Japan · 21272 days ago · 24 km deep · 19 km away
  24. 5.5150 km E of Miyako, Japan · 21266 days ago · 10 km deep · 8 km away
  25. 5.587 km E of Yamada, Japan · 21259 days ago · 27 km deep · 72 km away
  26. 5.9134 km E of Noda, Japan · 21258 days ago · 19 km deep · 71 km away
  27. 6.0109 km E of Yamada, Japan · 21256 days ago · 22 km deep · 49 km away
  28. 6.0113 km E of Miyako, Japan · 21256 days ago · 20 km deep · 43 km away

Before

  1. 6.2134 km E of Miyako, Japan · 21312 days ago · 35 km deep · 22 km away
  2. 5.6154 km ESE of Yamada, Japan · 21312 days ago · 21 km deep · 57 km away
  3. 6.5111 km E of Miyako, Japan · 21312 days ago · 48 km deep · 47 km away
  4. 6.7146 km E of Miyako, Japan · 21313 days ago · 25 km deep · 16 km away
  5. 5.569 km E of Miyako, Japan · 21313 days ago · 36 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem822255. Read Tue, Sep 22, 2026, 8:21 AM UTC.