日本地震工学会論文集
Online ISSN : 1884-6246
ISSN-L : 1884-6246
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OBSERVATION OF MICROTREMOR IN KATSUYAMA BASIN, FUKUI PREFECTURE CARRIED OUT THROUGH THE MICROTREMOR RESEARCH CAMP
Michihiro OHORIYuta ASAKAHiroki AZUMAShigeki ADACHIMasaki ITOYoshinobu IWANAMITaishi UENOYuki URATANIYusuke OISHIMasaaki OHBATakuo OKAMOTOShohei KANEKONobuaki KITAMURAHaruki KITAMURASatoshi KURITAKeisuke KOJIMAFumika SATOKoki TATSUTAShohei NAITOSho NAKAIToshiki NAKAITatsuya NOGUCHIKoji HADATakumi HAYASHIDAShigeo HIGUCHIGen FURUYANaoki MAEDATomohiro MIZUNOMasashi MIYAZAKIShinichiro MORIMasahiro MORITAKoji YAMADAMasayuki YAMADAHidekazu YAMAMOTOShohei YOSHIDAMasaho YOSHIDAHiroyuki FUJIWARA
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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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