Electric tomography
Measurement of the electric resistivity of subsoil materials
Measurement of the electric resistivity of subsoil materials
Measurement of fluctuations in the Earth's natural electromagnetic fields
Measurement of physical parameters along a borehole
Recording of ground movement produced by anthropogenic sources
Seismic noise acquisition and analysis
Geological map of Catalonia, scales 1: 50,000 and 1: 250,000