Japan earthquakes

M5.6 earthquake 154 km ESE of Yamada, Japan

A magnitude 5.6 earthquake struck 154 km ESE of Yamada, Japan on Fri, May 17, 1968, 3:24 PM JST (06:24 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M7.0 87 km E of Yamada, Japan. This one was a foreshock.

Yamada 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 06:24:34 UTC
Depth
21.2 km (13.2 mi), shallow
Epicenter
39.184° N, 143.708° 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 2.6 and up: 22 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 6.2134 km E of Miyako, Japan · 21320 days ago · 35 km deep · 61 km away
  2. 5.6155 km E of Miyako, Japan · 21320 days ago · 21 km deep · 57 km away
  3. 6.1112 km E of Miyako, Japan · 21320 days ago · 38 km deep · 66 km away
  4. 7.087 km E of Yamada, Japan · 21294 days ago · 32 km deep · 73 km away
  5. 5.596 km ESE of Yamada, Japan · 21294 days ago · 25 km deep · 59 km away
  6. 6.288 km E of Yamada, Japan · 21294 days ago · 31 km deep · 67 km away
  7. 5.897 km E of Yamada, Japan · 21294 days ago · 31 km deep · 67 km away
  8. 5.891 km E of Yamada, Japan · 21294 days ago · 23 km deep · 68 km away
  9. 5.7122 km ESE of Yamada, Japan · 21293 days ago · 16 km deep · 33 km away
  10. 5.999 km ESE of Yamada, Japan · 21293 days ago · 17 km deep · 56 km away
  11. 6.191 km E of Yamada, Japan · 21293 days ago · 34 km deep · 67 km away
  12. 5.885 km E of Yamada, Japan · 21292 days ago · 24 km deep · 73 km away
  13. 5.791 km E of Yamada, Japan · 21292 days ago · 25 km deep · 64 km away
  14. 5.681 km E of Yamada, Japan · 21291 days ago · 20 km deep · 74 km away
  15. 6.4182 km ESE of Kamaishi, Japan · 21289 days ago · 25 km deep · 55 km away
  16. 5.899 km E of Yamada, Japan · 21288 days ago · 29 km deep · 63 km away
  17. 5.8139 km E of Miyako, Japan · 21281 days ago · 24 km deep · 48 km away
  18. 5.591 km SE of Kamaishi, Japan · 21276 days ago · 22 km deep · 95 km away
  19. 5.5150 km E of Miyako, Japan · 21274 days ago · 10 km deep · 63 km away
  20. 5.587 km E of Yamada, Japan · 21267 days ago · 27 km deep · 71 km away
  21. 6.0109 km E of Yamada, Japan · 21265 days ago · 22 km deep · 58 km away
  22. 6.0113 km E of Miyako, Japan · 21264 days ago · 20 km deep · 61 km away

Before

  1. 6.5111 km E of Miyako, Japan · 21321 days ago · 48 km deep · 81 km away
  2. 6.7146 km E of Miyako, Japan · 21321 days ago · 25 km deep · 69 km away
  3. 5.569 km E of Miyako, Japan · 21321 days ago · 36 km deep · 100 km away
  4. 5.8139 km ESE of Kamaishi, Japan · 21336 days ago · 21 km deep · 73 km away
  5. 6.3138 km ESE of Kamaishi, Japan · 21346 days ago · 25 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem822220. Read Wed, Sep 30, 2026, 2:12 PM UTC.