Kammala jumla mai zuwa: Wannan doka ta jihar ta kasance sakamakon kai tsaye na
Girgizar kasa ta San Fernando ta 1971 (wanda ake kira 'Sylmar Earthquake'), wanda ke da alaƙa da manyan ɓarkewar ɓarna da suka lalata gidaje da yawa, gine-ginen kasuwanci, da sauran gine-gine. Rushewar farfajiyar ita ce mafi sauƙin kauce wa haɗarin girgizar ƙasa.