The major active volcanoes of Colombia , such as Galeras and Romeral are underlain by the Romeral Fault System . Segments of the fault zone are active , producing many minor and occasional devastating earthquakes , such as the 1983 earthquake in Popayán , Cauca and the 1999 Armenia earthquake , with a combined total of more than 2000 casualties . The capitals of Sucre ( Sincelejo ) , Antioquia ( Medellín ) , Caldas ( Manizales ) , Quindío ( Armenia ) , Risaralda ( Pereira ) , Valle del Cauca ( Cali ) , Cauca ( Popayán ) and Nariño ( Pasto ) are all situated near or on top of the fault zone
1999 Armenia earthquake
1999 Armenia, Colombia earthquake
Romeral Fault System