Fig. 12From: Preparation zones for large crustal earthquakes consequent on fault-valve action(adapted from Fig. 8 of Sibson (2020))Schematic illustrating time-varying stress and strength leading to the dual-driven failure of a crustal fault subjected to an ascending overpressured fluid flux at times, t1, t2, and t3 (mainshock and aftershock hypocentres denoted by yellow stars; nested ellipses illustrate growth of mainshock rupture)Back to article page