Propagation and resonance of SH waves in the Salt Lake Valley, Utah

J. Hill, H. Benz, M. Murphy, G. Schuster

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The Salt Lake Valley is an alluvium valley where seismic amplification measured at some sites can exceed a factor of 10 relative to hard-rock sites adjacent to the basin. Finite-difference synthetic seismograms were used to successfully characterize key parameters controlling low-frequency SH-wave amplification in the Salt Lake Valley. The Quaternary sediments tend to increase the coda duration, while the semi-consolidated Tertiary sediments act as a wave guide to trap the low-frequency seismic energy. It is also found that the basin can cast a seismic shadow over adjacent bedrock sites, inhibiting seismic wave propagation to sites adjacent to the basin. -from Authors

Original languageEnglish (US)
Pages (from-to)23-42
Number of pages20
JournalBulletin - Seismological Society of America
Issue number1
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology


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