ABSTRACT

We use teleseismic receiver functions computed from an 35day nodal dataset recorded along three profiles in the northern basins of Los Angeles, California, to map the depth and shape of the sediment–basement interface and to identify possible deep fault offsets. The results show the Moho discontinuity, the bottom of the basement, and intermediary sedimentary layers. There are also indications of midcrustal offsets along strike of the Red Hill and Raymond faults. The results are compared with receiver functions from nearby permanent broadband stations and the 1993 Los Angeles Region Seismic Experiment (LARSE) profile. The images show that dense deployments of node‐type sensors can be used to characterize basin structure in a noisy urban environment.

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