The Rosone landslide (Orco river valley, western italian alps): an updated model

Authors

  • Luca Delle Piane GDP consultants, Saint Christophe (Aosta, Italy) Author
  • Dario Fontan SEA Consulting S.r.l., Torino (Italy) Author
  • Giuseppe Mancari SEA Consulting S.r.l., Torino (Italy) Author

Keywords:

Rosone landslide, Gran Paradiso, Seismic surveys, Boreholes, Structural geology, Sackung

Abstract

The Rosone landslide (Western Italian Alps) is a major sliding phenomenon affecting a metamorphic basement and periodically damaging the structures (tunnels and penstocks) of a nearby hydro-power plant. This paper presents the results of a recent study including field geology, seismic surveys and deep boreholes, investigating the poorly known deep structure of the sliding mass, as well as the geometry of the sliding surfaces. A synthetic comparison is made with another large landslide at Mt. Castello, showing some analogies with the Rosone landslide.

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Published

2024-06-18

Issue

Section

Research and review papers

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