REFERENCE STATIONS FOR CHRISTCHURCH
作者： C. Van Houtte , O.-J. Ktenidou , T. Larkin , A. Kaiser
DOI: 10.5459/BNZSEE.45.4.184-195
关键词:
摘要: During the Canterbury earthquake sequence, observed level of ground motion on soft soils Christchurch was very strong and highly variable. Many studies are now emerging that analyse amplification effect these soils, usually by estimating a frequency-dependent function relative to rock outcrop station, or ‘reference site’. If has its own due weathering topographic effects, then calculated for soil sites can be compromised. This study examines ten seismic stations in determine best reference site Christchurch, using horizontal-to-vertical spectral ratio (HVSR) method S-wave shaking. More broadly, this uses HVSR expand existing knowledge dynamic characteristics area. Most show their local effects reduce individual ability used as stations. The recently installed Huntsbury station (HUNS) appears but will need verified when more records become available. In meantime, D13C temporary is currently both Lyttelton.
nzsee.org.nz
gre.ac.uk
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