CAJ | 학술논문

经统计与研究,多数地震是不引发海啸的,故地震与海啸不存在直接的因果关系.这是因为引发地震海啸(特别是大的地震海啸)的直接原因,主要是海底地震所造成的次生的巨大体积的海底滑坡和崩塌,而不是海底地震时海底地面的同震错断与变形.因此,若未来震中附近存在不稳定海底滑坡和崩塌体,只要发生地震,不论震级大小与震源深浅,也不论震源类型(即倾滑或走滑)都可引起海底滑坡和崩塌,进而引发海啸.若未来震中附近不存在不稳定海底滑坡和崩塌体,再大震级的地震,即使是倾滑型地震也不能引发海啸.
경통계여연구,다수지진시불인발해소적,고지진여해소불존재직접적인과관계.저시인위인발지진해소(특별시대적지진해소)적직접원인,주요시해저지진소조성적차생적거대체적적해저활파화붕탑,이불시해저지진시해저지면적동진착단여변형.인차,약미래진중부근존재불은정해저활파화붕탑체,지요발생지진,불론진급대소여진원심천,야불론진원류형(즉경활혹주활)도가인기해저활파화붕탑,진이인발해소.약미래진중부근불존재불은정해저활파화붕탑체,재대진급적지진,즉사시경활형지진야불능인발해소.
Based on the study and statistics on earthquakes, we know that most of the earthquakes don't induce tsunami,so there is no direct causality between earthquake and tsunami. The earthquake-generated tsunami( especially the big earthquake-generated tsunami) is mainly induced by the secondary and huge volumetric submarine landslide and collapse caused by ocean-bottom earthquake, rather than the submarine coseismic dislocation and deformation. If there exist unstable submarine landslide and collapse bodies nearby the epicenter,earthquake,regardless of the size,the focal depth,or the source type (namely,dip-slip or strike-slip)of it,will induce submarine landslide and collapse,and then generate tsunami. Otherwise,it will not generate tsunami even with big magnitude or dip-slip.