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A comprehensive seismic characterisation via multi-component analysis of active and passive data
- Source: First Break, Volume 33, Issue 9, Sep 2015,
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- 01 Sep 2015
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Abstract
A comprehensive seismic survey was conducted with the aim of characterising one of the Swiss Digital Seismic Network stations in northern Switzerland. Both active (P- and S-wave refraction tomography, surface-wave analysis, vertical seismic profiling) and passive methodologies (wavelet decomposition, Horizontal-to-Vertical Spectral Ratio, three-component frequency-wavenumber analysis) were jointly considered in order to solve the intrinsic non-uniqueness of the solution and determine a consistent subsurface model free from ambiguities, eventually used for the assessment of the local site amplification.
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