@techreport{PAR00002911, title = {{T}he 2000 {T}ottori ({J}apan) earthquake: triggering of the largest aftershock and constraints on {D}c.}, author = {{D}i {C}arli, {S}. and {V}oisin, {C}. and {C}otton, {F}abrice and {S}emmane, {F}.}, editor = {}, language = {{ENG}}, abstract = {{T}he goal of this study is to investigate the effect of the static and dynamic stress changes on the triggering of faults under slip-dependent friction law. {W}e specifically focus on the 2000 {W}estern {T}ottori ({J}apan) earthquake and on the triggering of its largest aftershock. {T}o this end we compute the dynamic and static stress changes caused by the 2000 {W}estern {T}ottori ({J}apan) earthquake for which a good knowledge of the rupture history and aftershock sequence exists. {W}e compute the coseismic stress evolution caused by the mainshock fault, on the fault plane of the largest aftershock located 20 km {SW} of the mainshock. {T}he static stress changes cannot explain the occurrence of the largest aftershock, located in a stress shadow whatever the friction coefficient that we use. {H}ence we propose that dynamic stresses have promoted the triggering of the largest aftershock. {U}sing the discrete wavenumber and the reflectivity methods we compute the complete time-dependent coulomb failure function {CFF}(t). {W}e investigate the influence of the adopted coefficient of friction μ, the depth and the location of the hypocenter on the shape of the {CFF}(t). {F}inally, using a non-linear slip dependent friction law with a stability/instability transition, we constrain the frictional properties of the largest aftershock fault plane knowing the state of stress on the fault and the time delay of 48 hours. {W}e propose that {D}c must be greater than 0.3 m.}, keywords = {earthquake triggering ; {JAPON}}, address = {}, series = {}, pages = {49 multigr.}, year = {2008}, URL = {https://www.documentation.ird.fr/hor/{PAR}00002911}, }