Before revision: Geography The fracture can be divided into four parts: The first, 127°–113° W, is a broad, low welt of some , with a central trough wide; The second, 113°-107° W, is a volcano enriched ridge, wide and long; The third, 107°-101° W, is a low welt with a central trough deep which transects the Albatross Plateau; and The fourth, 101°-96° W, contains the Tehuantepec Ridge which extends northeast to the continental margin.
After revision: Geography The fractures can be divided into four parts: The first, 127°–113° W, is a broad, low welt of some , with a central trough wide; The second, 113°-107° W, is a volcano enriched ridge, wide and long; The third, 107°-101° W, is a low welt with a central trough deep which transects the Albatross Plateau; and The fourth, 101°-96° W, contains the Tehuantepec Ridge which extends northeast to the continental margin.