日本地震工学会論文集
Online ISSN : 1884-6246
ISSN-L : 1884-6246
報告
OBSERVATION OF MICROTREMOR IN KATSUYAMA BASIN, FUKUI PREFECTURE CARRIED OUT THROUGH THE MICROTREMOR RESEARCH CAMP
Michihiro OHORI, Yuta ASAKA, Hiroki AZUMA, Shigeki ADACHI, Masaki ITO, Yoshinobu IWANAMI, Taishi UENO, Yuki URATANI, Yusuke OISHI, Masaaki OHBA, Takuo OKAMOTO, Shohei KANEKO, Nobuaki KITAMURA, Haruki KITAMURA, Satoshi KURITA, Keisuke KOJIMA, Fumika SATO, Koki TATSUTA, Shohei NAITO, Sho NAKAI, Toshiki NAKAI, Tatsuya NOGUCHI, Koji HADA, Takumi HAYASHIDA, Shigeo HIGUCHI, Gen FURUYA, Naoki MAEDA, Tomohiro MIZUNO, Masashi MIYAZAKI, Shinichiro MORI, Masahiro MORITA, Koji YAMADA, Masayuki YAMADA, Hidekazu YAMAMOTO, Shohei YOSHIDA, Masaho YOSHIDA, Hiroyuki FUJIWARA
著者情報
キーワード: Microtremor, Katsuyama Basin, Horizontal-to-vertical spectrum ratio, Microarray measurement, Terrace deposit
ジャーナル フリー

2018 年 18 巻 3 号 p. 3_119-3_130

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The eighth meeting of the Microtremor Research Camp (MRC) was held in Ohno City, Fukui Prefecture from September 30th to October 2nd in 2016, and MRC carried out microtremor measurements in the Katsuyama Basin, which is constituted by deposits of the Kuzuryu River. These measurements consist of microarray measurements at 25 sites and single-point measurements at 67 sites. This paper reports the outline of these measurements and presents the distribution of predominant frequencies in the basin obtained by the analysis of horizontal-to-vertical spectrum ratio at single-point measurement sites. As a result, the large differences in the distribution of predominant frequencies and peak spectral amplitudes between the Quaternary terrace deposits and alluvial deposits are clarified.

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© 2018 Japan Association for Earthquake Engineering
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