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Communication Dans Un Congrès Année : 2016

Monitoring of tectonic deformation in the Gulf of California (Mexico) using GPS measurements

Résumé

The Gulf of California, Mexico, was formed by the separation of the peninsular Baja California from North America between 12 and 6 Ma. Its transtensional fault system is composed of an en échelon array of long right-lateral transform fault segments that alternate with short extensional basins and spreading ridges. This tectonic setting provides a unique opportunity to study deformation associated with the transition of a continental strike-slip fault (the San Andreas Fault) to seafloor spreading (East Pacific Rise) along a rapidly moving fault system. The studied area is composed of the peninsular Baja California and the continental area of the Sonora and Sinaloa states of Mexico. We present the deformation field in the Gulf of California using GPS data observed between 2010 and 2015 and processed using the GAMIT/GLOBK software. The GPS stations used belong to the different networks namely SOPAC, CORS and the Mexican National red (Red Geodésica Activa de Instituto Nacional de Estadística y Geografía). A preliminary analysis of the deformation field will be related to the seismic events in the studied area.

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Domaines

Tectonique
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Dates et versions

hal-01852187 , version 1 (01-08-2018)

Identifiants

  • HAL Id : hal-01852187 , version 1

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Carlos Ramon Moraila-Valenzuela, R. Andrade, G. Ferhat, Jérôme van Der Woerd. Monitoring of tectonic deformation in the Gulf of California (Mexico) using GPS measurements. 3rd Joint International Symposium on Deformation Monitoring (JISDM), Mar 2016, Vienne, Austria. ⟨hal-01852187⟩
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