| ID |
1626 |
| Citation |
Blais-Stevens, A. Geertsema, M. Schwab, J.W. Asch, Th. van, Egginton, V.N. 2007. The 2005 Sutherland River rock slide – debris avalanche, central British Columbia. 1st International Landslide Conference Vail, Colorado, USA. |
| Organization |
Geological Survey of Canada; Ministry of Forests and Range; Utrecht University |
| URL |
http://www.academia.edu/23286895/The_Sutherland_River_Rock_Slide_Debris_Avalanche_North_Central_British_Columbia |
| Abstract/Description or Keywords |
On July 13, 2005 a complex rock slide - debris avalanche occurred near Sutherland River, 40 km west of Fort St. James, British Columbia. The landslide impact was powerful enough to leave a seismic signal at the Fort St. James seismic station. The rapid landslide travelled 1.45 km and involved 3M m3 of volcanic rock and soil. The landslide bifurcated in the runout zone. It covered 40 ha and destroyed an estimated 8000 m3 of timber. Pre-slide deformation was evident on aerial photographs and the slide site had been heavily impacted by mountain pine beetle. A noticeable feature of the landslide is that it contains mounds that are mainly composed of the brown, more weathered volcanic rubble of the overlying bedrock and only a small amount of the less altered, white volcaniclastic rocks of the underlying bedrock. |
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