Fig. 7From: Variations in precursory slip behavior resulting from frictional heterogeneityParameter studies of energy radiation. a Cumulative energy radiation plotted against the time remaining before the mainshock for parameter sets A–C. Black curves represent events presented in Fig. 3. Grey curves are for other mainshocks shown in Fig. 2. b Results of parameter studies. The color indicates the amount of cumulative energy at 1 s before the mainshock. Parameter sets A–C shown in a are denoted by squaresBack to article page