Earthquake, Geology, and Tsunami

Hiroshi Kawase, Shinchi Matsushima, Baoyintu, Masato Motosaka, Susumu Ohno, Hidekazu Watanabe, Reiji Tanaka, Hitoshi Tanaka, Junji Ogawa, Ryota Yamaya, Yukihiro Take

研究成果: Chapter

抄録

On March 11, 2011, a huge subduction zone earthquake occurred offshore of the Tohoku district, Japan, and created devastating damage, primarily due to the very high tsunami tide along the Pacific Coast. We first review several source studies and then summarize basic characteristics of observed strong motions with reference to the attenuation relationships, response spectra, linear site factors in the region, and nonlinearity. Fortunately we haven't seen heavy damage concentration even in the areas with high Peak Ground Accelerations, because Peak Ground Velocities were not high enough to make buildings heavily damaged or collapsed. The locally deployed network data as well as observed building responses are briefly summarized. Topographic maps and geological maps of Tohoku district and Kanto district will be shown. Finally, statistics of inundation survey, water level time -histories, and examples of damage for tsunami in Tohoku district will be presented.

本文言語English
ホスト出版物のタイトルPreliminary Reconnaissance Report of the 2011 Tohoku-Chiho Taiheiyo-Oki Earthqake
ページ29-113
ページ数85
DOI
出版ステータスPublished - 2012 12 1

出版物シリーズ

名前Geotechnical, Geological and Earthquake Engineering
23
ISSN(印刷版)1573-6059
ISSN(電子版)1872-4671

ASJC Scopus subject areas

  • 地盤工学および土木地質学

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