Katsuhiko Ishibashi

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Katsuhiko Ishibashi (石橋 克彦, Ishibashi Katsuhiko, born August 8, 1944) is a professor in the Research Center for Urban Safety and Security in the Graduate School of Science at Kobe University, Japan and a seismologist who has written extensively in the areas of seismicity and seismotectonics in and around the Japanese Islands.[1] He recently coined the term genpatsu-shinsai (原発震災), from the Japanese words for "nuclear power" and "quake disaster".[2][3]

Katsuhiko Ishibashi has said that Japan's history of nuclear accidents stems from an overconfidence in plant engineering. He was a member of a 2006 Japanese government subcommittee charged with revising the national guidelines on the earthquake-resistance of nuclear power plants, published in 2007.[4] His proposal that the committee should review the standards for surveying active faults was rejected and, at the committee's final meeting he resigned claiming that the review process was "unscientific"[4] and the outcome rigged[5][6] to suit the interests of the Japan Electric Association, which had 11 of its committee members on the 19-member government subcommittee[6] and that among other problems the guide was "seriously flawed" as a consequence because it underestimated the design basis earthquake ground motion.[2]

In May 2011, he said: "If Japan had faced up to the dangers earlier, we could have prevented Fukushima".[7]


  • Ishibashi, K., "Why worry? Japan's nuclear plants at grave risk from quake damage", International Herald Tribune and The Asia-Pacific Journal: Japan Focus (August 11, 2007)
  • Ishibashi, K., "Status of historical seismology in Japan", Annals of Geophysics', Vol.47, 339-368 (2004)
  • Ishibashi, K., "Seismotectonic modeling of the repeating M 7-class disastrous Odawara earthquake in the Izu collision zone, central Japan", Earth Planets Space, Vol.56, 843-858 (2004)
  • Miyoshi, T. and K. Ishibashi, "Geometry of the seismic Philippine Sea slab beneath the region from Ise Bay to western Shikoku, southwest Japan, Zisin" J. Seismol. Soc. Japan, Ser. 2, Vol.57, 139-152 (English abstract) (2004) (in Japanese)
  • Itani, Y. and Ishibashi, K., "Horizontal crustal strain in the Izu Peninsula - Mt. Fuji region derived from GEONET data and its tectonic implication, Zisin", J. Seismol. Soc. Japan, Ser. 2, Vol.56, 231-243 (English abstract) (2003) (in Japanese)
  • Harada, T. and Ishibashi, K., "The 1958 great Etorofu earthquake was a slab event: Suggestion from the mainshock-aftershock relocation", EOS, Vol. 81, No. 22 Suppl. WP157 (2000)
  • Ishibashi, K., An Era of Underground Convulsions: A Seismologist Warns, Iwanami Paperbacks, Iwanami Shoten (1994) (in Japanese)

See also[edit]


  1. ^ Katsuhiko ISHIBASHI Archived 2007-08-04 at the Wayback Machine Kobe University staff list. March 24, 2011
  2. ^ a b Katsuhiko Ishibashi, "Why worry? Japan's nuclear plants at grave risk from quake damage" The Asia-Pacific Journal: Japan Focus (August 11, 2007) Also published by the International Herald Tribune (August 11, 2007). Retrieved March 24, 2011
  3. ^ Michael Reilly, "Insight: Where not to build nuclear power stations" (preview only) New Scientist (July 28, 2007). Retrieved March 24, 2011 (subscription required)
  4. ^ a b "Quake shuts world's largest nuclear plant" Nature, vol 448, 392-393, doi:10.1038/448392a, (July 25, 2007) Retrieved March 18, 2011
  5. ^ Jason Clenfield (March 17, 2011). "Japan Nuclear Disaster Caps Decades of Faked Reports, Accidents". Bloomberg Businessweek.[permanent dead link]
  6. ^ a b Japan Nuclear Energy Drive Compromised by Conflicts of Interest Archived 2015-09-24 at the Wayback Machine Bloomberg, published 2007-12-12, accessed 2011-04-11
  7. ^ Hiroko Tabuchi (6 May 2011). "Japan Asks Another Nuclear Plant to Shut Down Its Reactors". The New York Times. Retrieved July 9, 2011.