Velocity- and slip-dependent weakening on the Tohoku plate boundary fault: shallow coseismic slip facilitated by foreshock afterslip

Yoshihiro Ito, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, Matt Ikari, MARUM - University of Bremen, Bremen, Germany, Kohtaro Ujiie, University of Tsukuba, Tsukuba, Japan and Achim Kopf, MARUM-Center for Marine Environmental Sciences, Bremen, Germany