The failure mechanisms that could originate the mega paleo-rockslides of Güímar and La Orotava in Tenerife (Canary Islands) are analyzed, based on the geomechanical site investigations carried Out on the pre-failure volcanic materials of Tenerife island flanks. Geological and geomorphological modelling and geomechanical characterization of the materials are presented. Hyaloclastites rocks are forming the submarine substratum of the island edifice presenting a highly deformable behaviour. Preliminary stability analyses have suggested potential failure surfaces in the hyloclastites rocks.
The Role of Hyaloclastite Rocks in the Stability of the Volcanic Island Flanks of Tenerife
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Ferrer, M. , Seisdedos, J. , and L.I. González de Vallejo. "The Role of Hyaloclastite Rocks in the Stability of the Volcanic Island Flanks of Tenerife." Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, Puerto de la Cruz, Spain, May 2010.
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