Several segments of the fault system are active , with major earthquakes occurring in historical times . The 1827 Timaná ( Mw 7.7 ) , 1834 Sibundoy ( Mw 7.0 ) , 1917 Sumapaz ( Mw 7.3 ) , 1967 Neiva ( Mw 7.2 ) , 1995 Tauramena ( Mw 6.5 ) and 2008 El Calvario earthquakes ( Mw 5.6 ) are associated with movement of the fault system
1967 Neiva
1967 Neiva earthquake
Eastern Frontal Fault System