Plate Boundary Observatory PBO
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The Plate Boundary Observatory or (PBO) is one of three components of the Earthscope project, along with USARRAY and SAFOD. The goal of PBO is to better-understand the boundary between the North American and Pacific Plates through the use of geodesy. The instrumentation of PBO, which is currently being installed, consists of a portable array of 100 GPS receivers, as well as dense permanent arrays of GPS receivers and strainmeters.
