The geophysical characterization of geological structures remains a major task in natural hazard mitigation. Answering questions regarding the dynamics of physical processes related to natural hazards (e.g., landslides, seismic or volcanic hazards) often requires constraining the geometry and the spatial distribution of some physical parameters to map the location of temporal changes in the structures. A high-resolution probing tool is needed to address such problems as mapping an object's geometry (e.g., fault gouge), mapping a surface of physical discontinuity (e.g., water circulation, sliding surface), or mapping a spatial and temporal distribution of physical properties...

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