Seismic Background Noise PSD in Northern and Central California

The density and distribution of broadband seismic stations sited in Northern and Central California has increased over the past year due the installation of USArray transportable broadband seismic stations. One design goal of the transportable network is to complement the existing BDSN broadband stations and cover the region with an average interstation spacing of $\sim $ 70 km. Our motivation for characterizing the seismic background noise PSD level observed at the transportable stations is, in part, that we would like to occupy the best sites after the transportable array moves out of the region, in order to improve the coverage of the BDSN network.



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Berkeley Seismological Laboratory
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