Estimate the source properties of foreshocks that occurred during stick-slip experiments using the 4-meter-long biaxial rock friction apparatus

Kurama Okubo1, Futoshi Yamashita1 and Eiichi Fukuyama1,2, (1)National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan, (2)Kyoto University, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto, Japan