Spectral ratio H/V (Nakamura Method), SPAC (Spatial Autocorrelations) and F-K 2D (Frequency – Number of waves), Seismic refraction tomography, MASW (Multichannel analysis of Surface Waves) and vertical electrical sounding.
Geological
ReMi (Refractions of Microtremors), Interferometro with Synthetic Aperture Radar (InSAR), geological satellite mapping and remote sensing and Geological field studies.