Author contributions
S.W. conceived and supervised the project, conducted finite fault inversion and wrote the manuscript, Y.Z. conducted back-projection, Q.S. conducted multiple point source inversion, J.L. conducted geodetic data processing and derived 3D surface deformation, H.L. performed geodetic data processing and downsampled the data, W.H. designed tectonic map and provided geologic information, Y. L. processed high-rate GPS data, W.W. processed regional broadband data, Z.M. processed part of the geodetic data, J.L-Z provided geologic information and revised the manuscript, T.W. provided geodetic information and revised the manuscript. All authors discussed the results and interpretations, and contributed to the manuscript.