Rosas-Julumito Fault ( ) is an oblique dextral strike-slip fault in the department of Cauca in southwestern Colombia . The fault is part of the megaregional Romeral Fault System and has a total length of and runs along an average northeast to southwest strike of 026.9 ± 7 in the Central Ranges of the Colombian Andes . The fault is associated with the 1983 Popayán earthquake that partially destroyed Popayán , the capital of Cauca , and led to more than 300 fatalities . A maximum moment magnitude earthquake of 6.8 is estimated for the fault
1983 Popayán earthquake
1983 Popayán earthquake
Rosas-Julumito Fault