SCEC Award Number 15018 View PDF
Proposal Category Collaborative Proposal (Data Gathering and Products)
Proposal Title Analysis of a Dense Broadband Survey Across the Los Angeles Basin
Investigator(s)
Name Organization
Robert Clayton California Institute of Technology Jascha Polet California State Polytechnic University, Pomona Elizabeth Cochran United States Geological Survey Paul Davis University of California, Los Angeles
Other Participants
SCEC Priorities 6a, 1b, 4a SCEC Groups Seismology, USR
Report Due Date 11/15/2016 Date Report Submitted 11/09/2016
Project Abstract
 The objective of the study is to find the shear wave velocity and structure of the Los Angeles Basin using a dense broadband survey across it. The shear wave velocity was determined by applying standard surface wave dispersion analysis to ambient noise correlations. The structure was determined from receiver functions determined from telesiesmic waves from two events. The results show the basin-basement interface is at 8 km and the Moho rises approximately 10 km under the basin.
Intellectual Merit This study improves the velocity and structure model for the Los Angeles Basin
Broader Impacts This study contributes to the understanding and quantification of the seismic hazard in the Los Angeles region.
Exemplary Figure Figure 3 from Ma, Y, and R. Clayton, (2016b), Structure of the Los Angeles Basin from ambient noise and receiver functions, Geophys. J. Int., 206, 1645-1651. doi:10.1093/gji/ggw236
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