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Prevention and Treatment of Natural Disasters
Article . 2025 . Peer-reviewed
License: CC BY
Data sources: Crossref
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HVSR Survey Along the Wasatch Fault (Provo Segment)

Authors: Kathryn J. Smith; John McBride; Stephen T. Nelson; Ronald A. Harris; Kevin A. Rey; Bo Worthen;

HVSR Survey Along the Wasatch Fault (Provo Segment)

Abstract

The Wasatch Fault Corridor in northern Utah (USA) faces increasing seismic risks due to rising population density. Vs30 is a vital parameter for understanding how a site will respond to earthquake shaking; however, obtaining Vs30 can be costly or impractical because of infrastructure or access challenges. The horizontal-to-vertical spectral ratio (HVSR) enables rapid assessment, provided a relationship between Vs30 and the resonant frequency (f0) of the shallow subsurface can be established. Previously surveyed Vs30 sites in the Provo segment of the Wasatch Fault Zone were measured with a three-component seismometer to obtain f0. These sites are located on the hanging wall of the fault zone, within alluvial and lacustrine Quaternary sediments. For each of the 20 sites, ambient noise was recorded for 30 minutes and amplitude-frequency spectra computed for each component. A rubric was applied to select site results most suitable for analysis and forward modelling, based on uncertainty of f0, uncertainty of H/V response, and peak quality. The H/V response was then derived for 15 selected sites. The strongest low-frequency peak identified the f0, which ranged from 0.28 to 1.38 Hz. Experimenting with linear regression helps guide understanding of the potential for estimating Vs30 from HVSR in this region. 

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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