It consists of at least 30 volcanic structures emplaced along the N–S Nejapa fault, which
represents the western active edge of the Managua Graben. The study area covers the
central and southern parts of the volcanic field. We document the basic geomorphology,
stratigraphy, chemistry and evolution of 17 monogenetic volcanic structures: Ticomo (A, B, C,
D and E); Altos de Ticomo; Nejapa; San Patricio; Nejapa-Norte; Motastepe; El Hormigón; La …