Uncertainty quantification for inhomogeneous frictional features in a slow-slipping fault based on a large-scale four-dimensional variational data assimilation

Shin-ichi Ito1, Masayuki Kano2 and Hiromichi Nagao1, (1)Earthquake Research Institute, University of Tokyo, Tokyo, Japan, (2)Graduate School of Science, Tohoku University, Sendai, Miyagi, Japan