Grain scale observations of stick-slip dynamics in fluid saturated granular fault gouge

Omid Dorostkar1, Paul A Johnson2, Robert A Guyer2, Chris Marone3 and Jan Carmeliet4, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)Los Alamos National Laboratory, Earth and Environmental Sciences, Los Alamos, NM, United States, (3)Penn State University, Department of Geosciences, University Park, PA, United States, (4)ETH Swiss Federal Institute of Technology Zurich, Building Physics, Zurich, Switzerland