Two major forearc slivers are observed along the Peru-Chile Trench. The Peruvian Sliver, also known as Inca Sliver, has a width of 300 to 400 km and a total length of over 1,500 km. It extends from the Gulf of Guayaquil in the north to the Altiplano in the south. The continental boundary is located between the Western Cordillera and the Eastern Cordillera.
