Articles | Volume 10, issue 6
https://doi.org/10.5194/esurf-10-1185-2022
https://doi.org/10.5194/esurf-10-1185-2022
Research article
 | 
21 Nov 2022
Research article |  | 21 Nov 2022

Geophysical evidence of massive hyperconcentrated push waves with embedded toma hills caused by the Flims rockslide, Switzerland

Sibylle Knapp, Michael Schwenk, and Michael Krautblatter

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Cited articles

Aaron, J., Wolter, A., Loew, S., and Volken, S.: Understanding Failure and Runout Mechanisms of the Flims Rockslide/Rock Avalanche, Front. Earth Sci., 8, 224, 2020. 
Abele, G.: Bergsturze in den Alpen – Ihre Verbreitung, Morphologie und Folgeerscheinungen, Wiss. Alpenvereinshefte, 25, 247, 1974. 
Abele, G.: Durch Bergstürze mobilisierte Muren und durch Muren transportierte Bergsturzmassen, Jahresber. Österr. Geogr. Ges., 1989/90, 33–39, 1991. 
Arbenz, P. and Staub, W.: Die Wurzelregion der helvetischen Decken im Hinterrheingebiet und die Überschiebung der Bündnerschiefer südlich von Bonaduz, Vjschr. Naturforsch. Ges. Zurich, 55, 23–62, 1910. 
Calhoun, N., Poschinger, A., Clague, J., Giardino, M., Masera, D., and Perotti, L.: New Pieces to the Flims-Tamins Rockslide Puzzle, in: Engineering Geology for Society and Territory, vol. 2, Springer, 899–903, https://doi.org/10.1007/978-3-319-09057-3_155, 2015. 
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Short summary
The Flims area in the Swiss Alps has fascinated the researchers with its complex geological history ever since. Especially the order of events related to the Tamins and Flims rockslides has long been debated. This paper presents novel results based on up to 160 m deep geophysical profiles, which show onlaps of the Bonaduz Formation onto the Tamins deposits (Ils Aults) and thus indicate that the Tamins rockslide occurred first. The consecutive evolution of this landscape is shown in four phases.