Predictions of shear-wave velocities in southern California using surface geology

Stephen Park, Scott D Elrick

Research output: Contribution to journalArticlepeer-review

Abstract

A new model of the average shear-wave velocity in the upperost 30 m has generated by extrapolation of discrete velocity using surface geology at several scales. Statistical methods have been applied to create a map that is no more complicated than is supported by the velocity data; several geologic units with similar responses are grouped together. The resulting map is simpler than previous ones and yet fits the observed velocity profiles better than earlier, more complicated maps. Analysis within a geographic information system will permit updates and modification of the map as new velocity data are added.

Original languageEnglish (US)
Pages (from-to)677-685
Number of pages9
JournalBulletin of the Seismological Society of America
Volume88
Issue number3
StatePublished - Jun 1 1998
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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