Asymmetric offfault damage generated by bilateral ruptures along a bimaterial interface Academic Article uri icon


  • We perform numerical simulations of spontaneous dynamic rupture governed by a slip-weakening law along a bimaterial interface (fault) with off-fault damage in the form of Coulomb plastic yielding. Off-fault plastic yielding stabilizes the wrinkle-like slip pulse in terms of a decreasing rate of slip velocity growth. With a variety of model parameters, ruptures on the fault are bilateral, while off-fault plastic strain distnibution between the two rupture directions is highly asymmetric. Copyright 2008 by the American Geophysical Union.

published proceedings

  • Geophysical Research Letters

author list (cited authors)

  • Duan, B.

citation count

  • 23

complete list of authors

  • Duan, Benchun

publication date

  • January 2008