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Tohoku Earthquake Tsunami Information

The 2011 Tohoku Earthquake Tsunami Joint Survey Group

At 14:46 local time on March 11, 2011, a magnitude 9.0 earthquake occurred off the coast of northeast Japan. This earthquake caused a tsunami which attacked Japan as well as a wide range of localities around the Pacific Ocean. This site provides information following the 2011 Tohoku Pacific Ocean Tsunami and is maintained by the Coastal Engineering Committee of the Japan Society of Civil Engineers. The site is run by volunteers, and although effort is being made to attempt to keep it useful to the international community, much of the data and reports are in Japanese.

• Field survey results in Japanese

Research and Information †

• Please check Field survey results for detail survey results.

Published documents †

• Prompt brief report from survey group
  • The 2011 Tohoku Earthquake Tsunami Joint Survey Group (2011) Nationwide Field Survey of the 2011 Off the Pacific Coast of Tohoku Earthquake Tsunami, Journal of Japan Society of Civil Engineers, Series B, Vol. 67 (2011) , No.1 pp.63-66.
• Scientific summary of survey
  • Mori, N., T.Takahashi, T.Yasuda and H.Yanagisawa (2011) Survey of 2011 Tohoku earthquake tsunami inundation and run-up, Geophysical Research Letters, 38, L00G14, doi:10.1029/2011GL049210.
• Detail of summary and analysis
  • Nobuhito Mori, Tomoyuki Takahashi and The 2011 Tohoku Earthquake Tsunami Joint Survey Group (2012) Nationwide Post Event Survey and Analysis of the 2011 Tohoku Earthquake Tsunami, Coastal Engineering Journal, Vol.54, Issue 4, 1250001, 27p.
  • CEJ_tsunamisurvey.pdf

Information Management and Contacts †

The Management Team is composed of the following individuals

• Tomoyuki Takahashi, Nobuhito Mori, Masahiro Yasuda, Shingo Suzuki, Kei Azuma
  • Contact: dpri [at] oceanwave.jp