ABSTRACT
Differential soil displacements initiated by creeping landslides can cause immense problems by damaging infrastructure and buildings in the sliding area. Moreover, special construction and reinforcement requirements, or even total halt of construction within a landslide area may be demanded by local construction laws. In some cases it is, therefore, of crucial importance to determine the exact position of the boundary between the landslide and the stable part of the slope. For a comprehensive analysis, this boundary needs to be identified on the surface, as well as in the subsoil.
