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Mechanisms and processes of landslides in seismically or volcanically active environments (co-organized)
Convener: Randall W. Jibson  | Co-Conveners: Vincenzo Del Gaudio , Janusz Wasowski , Hiroshi Fukuoka , Chyi-Tyi Lee 
 / Attendance Thu, 27 Apr, 17:30–19:00

Landslides and other types of ground failure (e.g., liquefaction and subsidence) are among the most damaging effects triggered by earthquake shaking. Observations from several recent earthquakes have shown that the death toll and destruction from seismically induced landslides can be extremely high. Similarly, volcanic activity and related seismicity commonly trigger damaging mass movements. The multiple hazards resulting from these various destabilizing processes commonly are treated separately even though an integrated approach to the problem clearly is desirable. The purpose of this session is to provide a forum for discussion among researchers and other professionals who study landslides and related hazards caused by seismic and volcanic activity and to encourage multidisciplinary research in these fields. Topics of interest include the following: (a) case histories of earthquake-triggered landslides, analyzed at either local or regional scale; (b) case histories of mass movements induced by volcanic activity; (c) assessments of landslide and other ground-failure hazards in relation to deterministic earthquake and volcanic event scenarios or to regional probabilistic evaluations; (d) application of GIS techniques to evaluate and portray seismic and volcanic ground-failure hazards; (e) studies regarding physical modelling of the influence of dynamic loading on slope stability and of seismically/volcanically induced landslide displacements; (f) site effects such as amplification and the influence of pre-existing landslide masses; (g) comparisons of regional differences in the factors associated with landslide occurrence; and (h) user requirements regarding hazard assessment and persisting challenges.