Rubuta ci gaba ga wannan sakin layi - Wannan dokar jihar ta kasance sakamakon kai tsaye na girgizar kasa ta 1971 San Fernando
(wanda kuma 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.