 Blanco Fracture Zone

The Blanco Fracture Zone or Blanco Transform Fault Zone (BTFZ) is a right lateral transform fault zone, which runs northeast off the coast of Oregon in the Pacific Northwest of the United States, extending from the Gorda Ridge in the south to the Juan de Fuca Ridge in the north.The Blanco Transform Fault Zone is an approximately 350 km long zone that varies in width between 20 and 75 km.