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Shear Wave Velocity-Depth Determination for the Upper Rhine Mid/South Seismic Risk Microzonation
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Near Surface 2005 - 11th European Meeting of Environmental and Engineering Geophysics, Sep 2005, cp-13-00116
Abstract
B014 SHEAR WAVE VELOCITY-DEPTH DETERMINATION FOR THE UPPER RHINE MID/SOUTH SEISMIC RISK MICROZONATION Summary 1 During the spatial extension of the existing seismic microzonation studies of the city of Basel (Fäh et al. 1997) to the adjacent urban areas of Weil a.R. Lörrach in Germany and St. Louis Huningue Village-Neuf in France the spectral analysis of Rayleigh waves and combined shear wave seismic refraction reflection and VSP measurements should support the subsurface velocity-depth structure estimation by H/V-measurements. Due to the different alluvial sedimentation cycles the adjacent Rheingraben fault zone and a long period of anthropogenic activities inhomogeneous shear wave velocity