Field guides for excursions to the nevado del ruiz volcano and to the romeral fault system (colombia), in the frame of the neotectonics of arc-continent collision concepts

Central Cordillera of Colombia near to the Nevado del Ruiz volcano, is a seismically active area above the subducting slab of the Nazca plate and deforming upper crust of the Andes. Buildings in the region require strengthening against the effects of both types of hazards: earthquakes and volcanoes....