Analyst I: Comprehensive Analysis of the UTexas1 Surface Wave Dataset

• DOI: 10.1061/9780784413272.080
• Publication Date: 2014-03-25T14:39:42Z
• Authors: C. M. Wood; T. B. Ellis; D. P. Teague; B. R. Cox
• Keywords: Microtremor; Rayleigh Wave; Wave velocity

This paper details the methodologies, uncertainties, and results from analysis of UTexas1 dataset. The vertical horizontal seismic records multiple field acquisitions active-source ambient-wavefield surface wave data were processed to obtain dispersion estimates using frequency domain beamformer (FDBF), high resolution f-k (HRFK), modified spatial autocorrelation (MSPAC), refraction microtremor (ReMi) methods. Rayleigh wave, Love H/V inverted simultaneously in software Geopsy. processing inversion indicate higher-mode behavior at frequencies less than about 5 Hz that significantly influence interpretation shear velocity (Vs) profile. uncertainty final Vs profile was estimated by calculating counted 5% 95% range best 1000 profiles out a pool over two million searched models.