..............................................................................................................................................! Introduction...........................................»^ Methods..............................................................................................................................................2 Strike-slip Faults on the Juan de Fuca Plate ...............................................................................................2 The Wecoma Fault....................................................................................................................3 Age, Net Slip, and Average Slip Rate of the Wecoma Fault..................................................4 Abyssal Plain Stratigraphy..................................................................................4 Timing Constraints...........................................................................................4 Fault Restoration..............................................................................................5 Late Pleistocene-Holocene Slip Rate.................................................................................6 Intersection of Wecoma Fault and the Accretionary Wedge.....................................................6 Influence of the Wecoma Fault on the Accretionary Wedge................................................................6 Disciission.............................................................................................^ Fault Orientation.......................................................................................................................8 Strike-Slip Faults and the Accretionary Wedge................................................................................8 Implications for Cascadia Convergence..........................................................................................9 Conclusions........................................................~ Acknowledgments...................................................~ References............................................................................................................................................ 11 Figure Captions.................................................................................................................................... 13