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Ground deformation in Mexicali Valley, Baja California, Mexico, the southern\udpart of the Mexicali-Imperial valley, is influenced by active tectonics and\udhuman activity, mainly that of geothermal fluid extraction in the Cerro\udPrieto Geothermal Field. Significant ground deformation, mainly subsidence\ud(~ 18 cm yr<sup>−1</sup>), and related ground fissures cause severe damage\udto local infrastructure.\ud  \udThe technique of Differential Synthetic Aperture Radar Interferometry\ud(DInSAR) has been demonstrated to be a very effective remote sensing tool\udfor accurately measuring the spatial and temporal evolution of ground\uddisplacements over broad areas. In present study ERS-1/2 SAR and ENVISAT\udASAR images acquired between 1993 and 2010 were used to perform a historical\udanalysis of aseismic ground deformation in Mexicali Valley, in an attempt to\udevaluate its spatio-temporal evolution and improve the understanding of its\uddynamic. For this purpose, the conventional 2-pass DInSAR was used to\udgenerate interferograms which were used in stacking procedure to produce\udmaps of annual aseismic ground deformation rates for different periods.\udDifferential interferograms that included strong co-seismic deformation\udsignals were not included in the stacking and analysis.\ud  \udThe changes in the ground deformation pattern and rate were identified. The\udmain changes occur between 2000 and 2005 and include increasing deformation\udrate in the recharge zone and decreasing deformation rate in the western\udpart of the CPGF production zone. We suggested that these changes are mainly\udcaused by production development in the Cerro Prieto Geothermal Field

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Spatio-temporal evolution of aseismic ground deformation in the Mexicali Valley (Baja California, Mexico) from 1993 to 2010, using differential SAR interferometry