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JDR Vol.8 No.5 pp. 889-903
(2013)
doi: 10.20965/jdr.2013.p0889

Paper:

Modeling of the Subsurface Structure from the Seismic Bedrock to the Ground Surface for a Broadband Strong Motion Evaluation

Shigeki Senna*, Takahiro Maeda*, Yoshiaki Inagaki**,
Haruhiko Suzuki**, Hisanori Matsuyama**, and Hiroyuki Fujiwara*

*National Research Institute for Earth Science and Disaster Prevention, 3-1 Tennodai,Tsukuba, Ibaraki 305-0006, Japan

**OYO Corporation, 43 Miyukigaoka, Tsukuba, Ibaraki 305-0841, Japan

Received:
May 7, 2013
Accepted:
September 7, 2013
Published:
October 1, 2013
Keywords:
broadband strong motion evaluation, microtremor observation, borehole data, joint inversion, Swave velocity
Abstract

Sophisticated predictions of strong ground motion are vital when constructing structure models that enable us to evaluate broadband ground motion features. Such models should integrate subsurface structure models for strata shallower than engineering bedrock and deep structuremodels for strata even deeper. Both such models used to be separately modeled separately so that observation data could be reproduced. In this study, we have created a subsurface structure model applicable from seismic bedrock to ground surface for individual Japanese individual prefectures, e.g., Chiba and Ibaragi, in attempts to sophisticate subsurface structure models. This paper describes how we created these models and reviews our results.

Cite this article as:
S. Senna, T. Maeda, Y. Inagaki, <. Suzuki, H. Matsuyama, and H. Fujiwara, “Modeling of the Subsurface Structure from the Seismic Bedrock to the Ground Surface for a Broadband Strong Motion Evaluation,” J. Disaster Res., Vol.8, No.5, pp. 889-903, 2013.
Data files:
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Last updated on Feb. 26, 2020