 The Blanco Fracture Zone starts about 150 km off Cape Blanco, and extends northwest to about 500 km off of Newport.It consists of a series of deep basins interrupted by transform faults.The western part of the fracture zone, from the Cascadia Depression to the Juan de Fuca Ridge, moves at 1.4 cm/a; the eastern segment, from the Cascadia Depression to the Gorda Ridge moves at 3.9 cm/a.