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Microtremor array method using spatial autocorrelation analysis of Rayleigh‑wave data

May 6, 2022

Microtremor array measurements (MAM) and passive surface wave methods in general, have been increasingly used to non-invasively estimate shear-wave velocity structures (Vs) for various purposes. The methods estimate dispersion curves and invert them for retrieving S-wave velocity profiles. This paper summarizes principles, limitations, data collection and processing methods. It intends to enable students and practitioners to understand the principles needed to plan a microtremor array investigation, record and process the data, and evaluate the quality of investigation result. The paper focuses on the spatial autocorrelation (SPAC) processing method among microtremor array processing methods because of its relatively simple calculation and stable applicability.

Publication Year 2022
Title Microtremor array method using spatial autocorrelation analysis of Rayleigh‑wave data
DOI 10.1007/s10950-021-10051-y
Authors Koichi Hayashi, Michael W. Asten, William J. Stephenson, Cécile Cornou, Manuel Hobiger, Marco Pilz, Hiroaki Yamanaka
Publication Type Article
Publication Subtype Journal Article
Series Title Journal of Seismology
Index ID 70231347
Record Source USGS Publications Warehouse
USGS Organization Geologic Hazards Science Center
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