%0 Journal Article
%A Gil, A.J.
%A Rodríguez Caderot, Gracia
%A Lacy de, María Clara
%A Ruíz, A.M.
%A Sanz De Galdeano-Equiza, Carlos
%A Alfaro, Pedro
%T Establishment of a non-permanent GPS network to monitor the recent NE-SW deformation in the Granada Basin (Betic Cordillera, southern Spain)
%D 2002
%@ 0039-3169
%U https://hdl.handle.net/20.500.14352/57819
%X The Granada Basin (Central Betic Cordillera), one of the most seismically active areas of the Iberian Peninsula, is currently subjected to NW-SE compression and NE-SW extension. The present day extension is accommodated by normal faults with various orientations but particularly with a NW-SE strike. At the surface, these active NW-SE normal faults are mainly concentrated on the NE part of the Basin. In this part we have selected a 15-km long segment where several active normal faults crop out. Using the marine Tortonian rocks as a reference, we have calculated a minimum extensional rate of 0.15-0.30 mm/year. The observed block rotation, the listric geometry of faults at depth and the distribution of seismicity over the whole Basin, indicate that this rate is a minimum value. In the framework of an interdisciplinary research project a non-permanent GPS-network has been established in the central sector of Betic Cordillera to monitor the crustal deformations. The first two observation campaigns were done in 1999 and 2000.
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