The Trans-Mexican Volcanic Belt is the Neogene volcanic arc that takes place on the southern edge of the North American plate. It is approximately 1000 kilometers long. It overlies the Rivera and Cocos slabs.
The Trans-Mexican Volcanic Belt, a Neogene volcanic arc, extends across the southern edge of the North American plate, spanning approximately 1000 kilometers. It is situated atop the Rivera and Cocos tectonic plates.