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Iris van Zelst, Leonhard Rannabauer, Alice-Agnes Gabriel, Ylona van Dinther. Modelling splay fault rupture and tsunamis with self-consistent initial conditions from a geodynamic seismic cycle model of subduction. AGU Fall Meeting 2020.
Observations of accretionary wedges show multiple splay faults which pose a significant tsunami hazard, but it is not yet known if they could rupture during a single earthquake or how that would affect the ensuing tsunami. Modelling dynamic splay fault rupture is complicated because of the lack of constraints on self-consistent initial conditions on both the splay and the megathrust in dynamic rupture models.