000011501 001__ 11501
000011501 005__ 20141205155917.0
000011501 04107 $$aeng
000011501 046__ $$k2008-10-12
000011501 100__ $$aSaguchi, Koichiro
000011501 24500 $$aEffects of the Irregular Underground Structures on Seismic Wave Propagation Near the Western Edge of the Nobi Plain

000011501 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011501 260__ $$b
000011501 506__ $$arestricted
000011501 520__ $$2eng$$aIn this paper, we discuss the propagation process of ground motions generated by two earthquakes through the analysis of seismograms recorded on rock and sediment sites. Significant later phases following the S-wave arrivals in horizontal components often appear in the ground motions recorded in the sedimentary plain. We applied 2-D finite difference method to simulate the later phases during the earthquakes observed at the sediment sites using the subsurface structures derived from the seismic and micro tremors prospecting process. The results indicate that when considering then as basin excited waves, the characteristics of the simulated waveforms, including the later phases, display good agreement with the observed seismograms. Moreover, the earthquake motion characteristic was clarified by the propagation process of seismic waves in the western part of Nobi plain. We also clarified effects of the irregular underground structure on seismic wave propagation.

000011501 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011501 653__ $$aSeismic observation, 2-D finite difference method, Surface wave, Nobi plain

000011501 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011501 720__ $$aSaguchi, Koichiro$$iMotoki, Kentaro$$iSeo, Kazuoh$$iMasaki, Kazuaki
000011501 8560_ $$ffischerc@itam.cas.cz
000011501 8564_ $$s7379016$$uhttps://invenio.itam.cas.cz/record/11501/files/03-03-0056.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 03-03-0056.
000011501 962__ $$r9324
000011501 980__ $$aPAPER