seismic
adjective uk/ˈsaɪz.mɪk/ us/ˈsaɪz.mɪk/
[ before noun ] geology specialized地震的;地震引起的
relating to or caused by an earthquake
seismic activity/waves 地震活动／地震波
造成严重破坏的
having very great and damaging effects
The news that the chairman would resign set off seismic waves in the business community. 主席要辞职的消息在商界引发了剧烈震动。