Field trip in Wallis for debris flows and rockfall (5th and 6th November, 2004)

This trip held in Wallis 5th and 6th November, 2004. This includes visit of the Dorfbach, Illgraben and Bossay-Saxé catchments (debris-flows) and Randa rockfall (30 Mio. m3), Medji, les Crétaux rockfall, etc…

Organizers: Dr. E. Bardou (WSL) and M. Jaboyedoff (Quanterra). J. Savary (BEG) introduce the visit of the St Léonard lake.


Debris flows channel in Illgraben.


Participants from left to right: 5, 6, 2, 4, 1, 3, 8, 9 (with camera)

(1) prof. Giovanni B. Crosta, Università degli Studi di Milano – Bicocca, MILANO, ITALY
(2) Rosanna Sosio, Università degli Studi di Milano – Bicocca, MILANO, ITALY
(3) Federico Agliardi, Università degli Studi di Milano – Bicocca, MILANO, ITALY
(4) Christian Ambrosi, Università degli Studi di Milano – Bicocca, MILANO, ITALY
(5) Paolo Frattini, Università degli Studi di Milano – Bicocca, MILANO, ITALY
(6) Dr Lorenzo Marchi, Researcher, CNR IRPI, Padova – Italy
(7) Jean Savary, Bureau d’Etudes Géologiques SA, 1963 Vétroz, Switzerland
(8) Dr Eric Bardou, WSL div. Water, Earth, and Rocks Movements, 1950 SION , Switzerland
(9) Dr. Michel Jaboyedoff, Quanterra, 1007 Lausanne, Switzerland

Geotechnical Tour on Natural Harzards in the Canadian Cordillera (6- 15 September, 2001)

Organizer: Université Laval and Geological Survey of Canada (GSC; ULAVAL)

This tour start from Calgary went to Vancouver and come back to Calgary. The major instabilities (East Gate, Frank slide, Hope slide…) and debris-flows (Hummingbird Creek, Five Mile creek debris flow, …) were visited in the Rockies between this to cities.

Quanterra was not created in 2001, but the idea of Quanterra was on the way…


Hope slide, British Columbia (1965).


Coordinators: Dr. Réjean Couture, GSC-CGS and Prof.. Jacques Locat, Laval University
Leader of the tour: Dr. Stephen G. Evans, GSC-CGS
Administrators: Students in slopes stability of Laval University: Priscilla Desgagnés, Pascal Locat, Francis Martin, Catherine Thibault

List of participants:
François Ballifard, PhD std., CREALP, CH.;
Dr. Michel Jaboyedoff, geologist, CREALP and Quanterra, CH.;
Dr. Aurèle Parriaux, Prof., EPFL, CH;
Jean-Daniel Rouiller, cantonal geologist, CREALP, CH;
Dr. Gérard Colas, Eng., Fr.;
Gianluca Bianchi Fasani, Phd std., La Sapienza de Roma, It.;
Priscilla Desgagnés, M.Sc.std., ULaval, Ca.;
Dr. Stephen G. Evans, Leader, GSC, Ca.;
Dr. Jacques Locat, Prof., ULaval, Ca.;
Pascal Locat, M.Sc. std., ULaval, Ca.;
Francis Martin, M.Sc. std., ULaval, Ca.;
Catherine Thibault, M.Sc. std., ULaval, Ca.;
Dr. Hélène Tremblay, post doc., ULaval, Ca.;
Dr. Oldrich Hungr, Prof., UBC, Ca.;
Scott McDougall, M.Sc. std., UBC, Ca.;
Jordan Severin, M.Sc. std., UBC, Ca.