Articles | Volume 21, issue 8
Nat. Hazards Earth Syst. Sci., 21, 2461–2483, 2021
https://doi.org/10.5194/nhess-21-2461-2021
Nat. Hazards Earth Syst. Sci., 21, 2461–2483, 2021
https://doi.org/10.5194/nhess-21-2461-2021
Research article
23 Aug 2021
Research article | 23 Aug 2021

Geographic-information-system-based topographic reconstruction and geomechanical modelling of the Köfels rockslide

Christian Zangerl et al.

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Cited articles

Abele, G.: Large rockslides: their causes and movements on internal sliding planes, Mt. Res. Dev., 14, 315–320, https://doi.org/10.2307/3673727, 1994. 
Allmendinger, R.: Stereonet, version 10, available at: http://www.geo.cornell.edu/geology/faculty/RWA/programs/stereonet.html (last access: 11 January 2019), 2018 
Amann, F.: Großhangbewegung Cuolm da Vi (Graubünden, Schweiz). Geologisch-geotechnische Befunde und numerische Untersuchungen zur Klärung des Phänomens, Dissertation, Friedrich-Alexander Universität Erlangen-Nürnberg, p. 206, 2006. 
Ampferer, O.: Über die geologischen Deutungen und Bausondierungen des Maurach Riegels im Ötztal, Geologie und Bauwesen, 11, 25–43, 1939. 
Ascher, H.: Neuer Sachbestand und Erkenntnisse über das Bergsturzgebiet von Köfels, Geologie und Bauwesen, 19, 128–134, 1952. 
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Short summary
The Köfels rockslide in the Ötztal Valley (Austria) represents the largest known extremely rapid rockslide in metamorphic rock masses in the Alps and was formed in the early Holocene. Although many hypotheses for the conditioning and triggering factors were discussed in the past, until now no scientifically accepted explanatory model has been found. This study provides new data and numerical modelling results to better understand the cause and triggering factors of this gigantic natural event.
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