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TitleKinematic considerations of the Gascons rockslide, Québec (Gaspésie), Canada
AuthorCloutier, C; Locat, J; Lord, P -E; Couture, R; Jaboyedoff, M
SourceLandslides and Engineered Slopes: Protecting Society through Improved Understanding; by Eberhardt, E (ed.); Froese, C (ed.); Turner, K (ed.); Leroueil, S (ed.); 2012 p. 1265-1271
Year2012
Alt SeriesEarth Sciences Sector, Contribution Series 20110311
Meeting11th ISL & 2nd North American Symposium on Landslides; Banff; CA; June 3-8, 2012
Documentbook
Lang.English
Mediapaper; CD-ROM
File formatpdf
ProvinceQuebec
NTS22A/02
AreaGaspé; Gascons
Lat/Long WENS -65.0000 -64.5000 48.2500 48.0000
Subjectsengineering geology; landslides; landslide deposits; slope deposits; slope failures; slope stability; slope stability analyses; kinematic analysis
Illustrationslocation maps; stereonets; plots
ProgramEastern Canada Geohazards Assessment Project, Public Safety Geoscience
AbstractAn integrated mass movement monitoring system including ground and satellite observations has been developed for an active coastal rockslide threatening a railroad at Gascons, in the Gaspé Peninsula, Québec, Canada. The slide consists of an overall wedge failure, involving a volume of 560 000 m³, composed of multiple compartments that are more or less well individualized. A first hypothesis to define boundaries of the blocks forming the sliding mass is proposed and discussed. Displacements of up to 71.5mm/year are measured. Fine analysis of the kinematic behaviour of the slide will lead to a better evaluation of risk associ-ated with this active rockslide and to the implementation of warning criteria.
GEOSCAN ID289682