While the application of InSAR (INterferometric Synthetic Aperture Radar) techniques to seismology has been well known since the mid-1990s (Massonnet et al., 1993; Massonnet et al., 1996), PSInSAR is generally unfamiliar to the Earth science community. The PS stands for “permanent scatterer”, and it is the use of these (along with the volume of scenes employed) that distinguishes the method from more familiar InSAR techniques. A permanent scatterer is any persistently reflective pre-existing ground feature, such as building roofs, metallic structures, and even large boulders. The use of these features offers the possibility of measurements...
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