A group of researchers has found tsunami traces believed to date back to between the 14th to 16th centuries near the Takahama nuclear power plant in Fukui Prefecture.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/tsunami-traces-hundreds-years-ago-found-near-%E2%80%98safe%E2%80%99-takahama-nuclear-plant
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/japan-times-japan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/japan
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tsunami
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-power-plants
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-safety