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Sensors 2010, 10(4), 3504-3518; doi:10.3390/s100403504

Levelling Profiles and a GPS Network to Monitor the Active Folding and Faulting Deformation in the Campo de Dalias (Betic Cordillera, Southeastern Spain)

1
Instituto Geológico y Minero de España, C/ Alcázar del Genil, 4, 18006 Granada, Spain
2
Departamento de Geodinámica, Universidad de Granada, 18071, Granada, Spain
3
Departamento de Ingeniería Cartográfica, Geodesia y Fotogrametría, Universidad de Jaén, 23071, Jaén, Spain
4
Instituto Andaluz de Ciencias de la Tierra, CSIC, 18002, Granada, Spain
5
Departamento de Ciencias de la Tierra y del Medio Ambiente, Universidad de Alicante, 03080, Alicante, Spain
6
Departamento de Geología, Universidad de Jaén, 23071, Jaén, Spain
7
Sección Departamental de Astronomía y Geodesia, Universidad Complutense de Madrid, 28040, Madrid, Spain
*
Author to whom correspondence should be addressed.
Received: 20 January 2010 / Revised: 15 March 2010 / Accepted: 23 March 2010 / Published: 8 April 2010
(This article belongs to the Section Remote Sensors)
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Abstract

The Campo de Dalias is an area with relevant seismicity associated to the active tectonic deformations of the southern boundary of the Betic Cordillera. A non-permanent GPS network was installed to monitor, for the first time, the fault- and fold-related activity. In addition, two high precision levelling profiles were measured twice over a one-year period across the Balanegra Fault, one of the most active faults recognized in the area. The absence of significant movement of the main fault surface suggests seismogenic behaviour. The possible recurrence interval may be between 100 and 300 y. The repetitive GPS and high precision levelling monitoring of the fault surface during a long time period may help us to determine future fault behaviour with regard to the existence (or not) of a creep component, the accumulation of elastic deformation before faulting, and implications of the fold-fault relationship.
Keywords: seismogenic faults; large folds; active tectonics; precise levelling; GPS; western Mediterranean seismogenic faults; large folds; active tectonics; precise levelling; GPS; western Mediterranean
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Marín-Lechado, C.; Galindo-Zaldívar, J.; Gil, A.J.; Borque, M.J.; De Lacy, M.C.; Pedrera, A.; López-Garrido, A.C.; Alfaro, P.; García-Tortosa, F.; Ramos, M.I.; Rodríguez-Caderot, G.; Rodríguez-Fernández, J.; Ruiz-Constán, A.; De Galdeano-Equiza, C.S. Levelling Profiles and a GPS Network to Monitor the Active Folding and Faulting Deformation in the Campo de Dalias (Betic Cordillera, Southeastern Spain). Sensors 2010, 10, 3504-3518.

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