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Full, constrained and stochastic source inversions support evidence for volumetric changes during the Basel earthquake sequence

Guilhem, Aurélie ; Walter, Fabian

In: Swiss Journal of Geosciences, 2015, vol. 108, no. 2-3, p. 361-377

Direct observations of a three million cubic meter rock-slope collapse with almost immediate initiation of ensuing debris flows

Walter, Fabian ; Amann, Florian ; Kos, Andrew ; Kenner, Robert ; Phillips, Marcia ; Preux, Antoine de ; Huss, Matthias ; Tognacca, Christian ; Clinton, John ; Diehl, Tobias ; Bonanomi, Yves

In: Geomorphology, 2020, vol. 351, p. 106933

Catastrophic collapse of large rock slopes ranks as one of the most hazardous natural phenomena in mountain landscapes. The cascade of events, from rock- slope failure, to rock avalanche and the near-immediate release of debris flows has not previously been described from direct observations. We report on the 2017, 3.0 × 106 m3 failure on Pizzo Cengalo in Switzerland, which led to human...

Using glacier seismicity for phase velocity measurements and Green's function retrieval

Walter, Fabian ; Roux, Philippe ; Roeoesli, Claudia ; Lecointre, Albanne ; Kilb, Debi ; Roux, Pierre-François

In: Geophysical Journal International, 2015, vol. 201, no. 3, p. 1722-1737

Seismic activity and surface motion of a steep temperate glacier: a study on Triftgletscher, Switzerland

Dalban Canassy, Pierre ; Faillettaz, Jérome ; Walter, Fabian ; Huss, Matthias

In: Journal of Glaciology, 2012, vol. 58, no. 209, p. 513-528

The tongue of Triftgletscher, Switzerland, is particularly susceptible to major break-off events due to its steep slope. In order to detect precursors of such an event, we monitored the local seismic activity and detected 2426 icequakes with sources located in an area ranging between 2050 and 2350 m a.s.l. Events triggered by cracks and icefalls were recorded, but no precise distinction between...