<prompt> Qedela umusho olandelayo: I-Southwest Iberian Margin SIM iyindawo esebenzayo ye-tectonic ngasogwini lwasePortugal. Kukholakala ukuthi iyindawo yokuqala yokwehla kwamandla omhlaba futhi ingumthombo we-  <response>: Ukuzamazama komhlaba kwaseLisbon ngo-1755. 