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Swiss Journal of Geosciences
Fig. 2 | Swiss Journal of Geosciences

Fig. 2

From: Traces of a prehistoric and potentially tsunamigenic mass movement in the sediments of Lake Thun (Switzerland)

Fig. 2

Pre-failure topography reconstruction on-shore. a Digital elevation model (SwissAlti3D Swisstopo, Swiss Federal Office of Topography, 315/45 illuminated) with bathymetric map superimposed. Failure scar of the Ralligen Rockfall is illustrated. b Choosing an intact reference profile (blue) nearby the failed area and projecting it on to the failure zone along profiles P1-P7. c Comparison between post-failure and pre-failure topography for two selected profiles at P3 and P4. d Reconstructed topography with contour lines based on 7 projected profiles

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