Japan earthquakes

M5.6 earthquake 81 km E of Yamada, Japan

A magnitude 5.6 earthquake struck 81 km E of Yamada, Japan on Sat, Jun 15, 1968, 12:31 PM JST (03:31 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M5.8 99 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
1968-06-15 03:31:19 UTC
Depth
20.3 km (12.6 mi), shallow
Epicenter
39.411° N, 142.899° 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: 8 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 5.899 km E of Yamada, Japan · 21279 days ago · 29 km deep · 20 km away
  2. 5.8139 km E of Miyako, Japan · 21272 days ago · 24 km deep · 61 km away
  3. 5.591 km SE of Kamaishi, Japan · 21268 days ago · 22 km deep · 70 km away
  4. 5.5150 km E of Miyako, Japan · 21266 days ago · 10 km deep · 78 km away
  5. 5.587 km E of Yamada, Japan · 21259 days ago · 27 km deep · 8 km away
  6. 6.0109 km E of Yamada, Japan · 21256 days ago · 22 km deep · 31 km away
  7. 6.0113 km E of Miyako, Japan · 21256 days ago · 20 km deep · 38 km away
  8. 5.7145 km ENE of Miyako, Japan · 21245 days ago · 21 km deep · 83 km away

Before

  1. 5.791 km E of Yamada, Japan · 21284 days ago · 25 km deep · 12 km away
  2. 5.885 km E of Yamada, Japan · 21284 days ago · 24 km deep · 7 km away
  3. 6.191 km E of Yamada, Japan · 21285 days ago · 34 km deep · 10 km away
  4. 5.999 km ESE of Yamada, Japan · 21285 days ago · 17 km deep · 24 km away
  5. 5.7122 km ESE of Yamada, Japan · 21285 days ago · 16 km deep · 44 km away
  6. 5.891 km E of Yamada, Japan · 21285 days ago · 23 km deep · 11 km away
  7. 5.897 km E of Yamada, Japan · 21285 days ago · 31 km deep · 22 km away
  8. 6.288 km E of Yamada, Japan · 21285 days ago · 31 km deep · 8 km away
  9. 5.596 km ESE of Yamada, Japan · 21286 days ago · 25 km deep · 25 km away
  10. 7.087 km E of Yamada, Japan · 21286 days ago · 32 km deep · 11 km away
  11. 6.1121 km E of Noda, Japan · 21304 days ago · 36 km deep · 90 km away
  12. 6.1112 km E of Miyako, Japan · 21312 days ago · 38 km deep · 40 km away
  13. 5.6155 km E of Miyako, Japan · 21312 days ago · 21 km deep · 80 km away
  14. 6.2134 km E of Miyako, Japan · 21312 days ago · 35 km deep · 61 km away
  15. 5.6154 km ESE of Yamada, Japan · 21312 days ago · 21 km deep · 74 km away
  16. 6.5111 km E of Miyako, Japan · 21312 days ago · 48 km deep · 52 km away
  17. 6.7146 km E of Miyako, Japan · 21313 days ago · 25 km deep · 77 km away
  18. 5.569 km E of Miyako, Japan · 21313 days ago · 36 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem820391. Read Tue, Sep 22, 2026, 8:45 AM UTC.