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Duo Li, Alice-Agnes Gabriel, Simone Chiocchetti Sr., Maurizio Tavelli, Ilya Peshkov, Evgeniy Romenski and Michael Dumbser. Diffuse earthquake rupture dynamics in nonlinear visco-elasto-plastic materials. AGU Fall Meeting 2020.
Earthquake fault zones are more geometrically and rheologically complex than an idealised infinitely thin plane embedded in linear elastic material. Field and laboratory measurements reveal complex fault zone structure involving tensile and shear fractures spanning a wide spectrum of length scales (e.g., Mitchell & Faulkner, 2009), dense seismic and geodetic recording of small and large earthquakes show hierarchal volumetric faulting patterns (e.g., Cheng et al., 2018, Ross et al., 2019) and 2D numerical models explicitly accounting for off-fault fractures demonstrate important feedback with rupture dynamics and ground motions (e.g., Thomas & Bhat 2018, Okubo et al., 2019).