The new data, acquired in February 1991, show the region to be composed of at least five large volcanoes such as Sapas Mons, which are commonly linked by complex systems of fractures or rift zones.
Os novos datos adquiridos en febreiro de 1991, amosaban a rexión con polo menos cinco grandes volcáns semellantes a Sapas Mons, os cales están ligados a complexos sistemas de facturas e áreas con rifts.