This section of the fault system is formed by the locally named Córdoba and Navarco Faults , which are eastern strands of the Romeral Fault System , south of the city of Armenia . These faults lie within the epicentre area of the Armenia earthquake of January 25 , 1999 . The faults extend through sheared cataclastic and undeformed basaltic and sedimentary Cretaceous oceanic rocks , cropping out on the eastern slope of the Central Ranges
Armenia earthquake of January 25 , 1999
1999 Armenia, Colombia earthquake
Romeral Fault System