Influence of Fault Surface Heterogeneity on Apparent Frictional Strength, Slip Mode and Rupture Mode: Insights from Meter-Scale Rock Friction Experiments

Shiqing Xu1, Eiichi Fukuyama1, Futoshi Yamashita1, Kazuo Mizoguchi2, Shigeru Takizawa1 and Hironori Kawakata3, (1)National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan, (2)Central Research Institute of Electric Power Industry, Abiko, Japan, (3)Ritsumeikan University, Kusatsu, Japan