Satellite Interferometry


Satellite SAR Interferometry is a technique for the measurement of ground surface displacements. By radar images, collected by satellites on the same area, it is possible to measure millimeter displacements of ground and structures. Last generation algorithms developed by NHAZCA allow customizable applications of the technique for different purposes.

The recent advanced interferometric techniques (A-DInSAR) exploit the presence of natural reflectors (such buildings, infrastructures, rocks etc.) to provide reliable points for accurate displacement measurement.

NHAZCA provides customized and reliable solutions, making available to the clients its proven experience in the field of geotechnical and structural monitoring and its strong expertise in advanced satellite SAR data analysis.

NHAZCA is a reference partner for the study and characterization of surface processes in the territory, both at the local scale (as a single structure/infrastructure) and regional scale (whole cities or large areas).

Thanks to the historical archives of images (available since 1992), to the present space missions and those planned for the near future, NHAZCA performs historical displacement analysis (thus providing quantitative data also in areas where no monitoring equipment was installed in the past) and provides monitoring services for the control of the present evolution of the investigated phenomena.

Moreover, NHAZCA can process a wide range of satellite SAR data, characterized by different technical specifications and, therefore, suitable for different fields of application like ERS1 and ERS2, ENVISAT, RADARSAT-1, RADARSAT-2, ALOS-PALSAR, ALOS2, TerraSAR-X, COSMO-SkyMed, SENTINEL-1A, SENTINEL 1-B.


Main projects

Monitoring the historical deformations of a slope
Investigation of landslides past activity
Historical analysis of shallow displacements induced by gas extraction
Historical analysis of a landslide in a desert area
Analysis of the historical deformation of an earth dam
Investigation of a glacier moraine in Antarctica


Bozzano F., Caporossi P., Esposito C., Martino S., Mazzanti P., Moretto S., Scarascia Mugnozza G., Rizzo A.M., 2017. Mechanism of the Montescaglioso Landslide (Southern Italy) Inferred by Geological Survey and Remote Sensing. Springer International Publishing AG 2017 M. Mikoš et al. (eds.), Advancing Culture of Living with Landslides, DOI 10.1007/978-3-319-53498-5_12
Moretto S., Bozzano F., Esposito C., Mazzanti P. & Rocca A., 2017. Assessment of Landslide Pre-Failure Monitoring and Forecasting Using Satellite SAR Interferometry. Geosciences, 7(2), 36; DOI:10.3390/geosciences7020036
Bozzano F., Mazzanti P., Perissin D., Rocca A., De Pari P. & Discenza M.E., 2017. Basin Scale Assessment of Landslides Geomorphological Setting by Advanced InSAR Analysis. Remote Sensing, 9(3), 267; DOI:10.3390/rs9030267
Barra A., Monserrat O., Mazzanti P., Esposito C., Crosetto M. & Scarascia Mugnozza G. 2016. First insights on the potential of Sentinel-1 for landslides detection. Geomatics, Natural Hazards and Risk. DOI: 10.1080/19475705.2016.1171258
Bozzano F., Esposito C., Franchi S., Mazzanti P., Perissin D., Rocca A. & Romano E. 2015. Understanding the subsidence process of a quaternary plain by combining geological and hydrogeological modeling with satellite InSAR data: the acque albule plain case study. Remote Sensing of Environment, 168C, 219-238, DOI: 10.1016/j.rse.2015.07.010.
Bozzano F., Esposito C., Franchi S., Mazzanti P., Perissin D., Rocca A., Romano E., 2015. Analysis of a Subsidence Process by Integrating Geological and Hydrogeological Modelling with Satellite InSAR Data. G. Lollino et al. (eds.), Engineering Geology for Society and Territory, Volume 5, Springer International Publishing, Switzerland, 155-159.
Rocca A., Perissin D., Mazzanti P., Bozzano F., 2013. Monitoring ground instability in wide areas and single-building cases by means of satellite A-DInSAR. GEOTECHNICAL DIVISION 33RD ANNUAL SEMINAR “Geotechnical Aspects of Housing Supply and Development”, Hong Kong, 31 May 2013, pp. 181-186.