SCEC Award Number 22019 View PDF
Proposal Category Individual Proposal (Data Gathering and Products)
Proposal Title Using Converted Phases to Image the Bottom of the Los Angeles Basin
Investigator(s)
Name Organization
Robert Clayton California Institute of Technology
Other Participants Yan Yang, graduate student
SCEC Priorities 4a, 4b SCEC Groups Seismology
Report Due Date 03/15/2023 Date Report Submitted 03/15/2023
Project Abstract
 Converted seismic phases generated by nine deep events beneath or near the Los Angeles Basin (LAB) are used to determine the depth of the LAB by mapping the S-P conversion points. The preliminary results show that the Central Trough of the LAB is 12-14 km deep at its lowest point, which is significantly deeper than the previously assumed value of 9 km (Wright, 1991).
Intellectual Merit The project contributes to improving the SCEC velocity model through a better definition of the Los Angeles basin.
Broader Impacts This study partially support the PhD activity of a graduate student at Caltech.
Exemplary Figure Figure 5
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