地震震级 earthquake magnitude ; [地震] magnitude of earthquake ; earthquake scale

地震震源 earthquake focus ; earthquake source

地震震央 earthquake epicenter

地震震度 Earthquake intensity

地震震中 epicenter ; Epizentrum ; Erdbebenzentrum ; earthquake epicenter

地震震动 ground motion

强烈地震震撼希腊 Powerful Earthquake Strikes Greece

运行安全地震震动 operational safety ground motion

极限安全地震震动 ultimate safety ground motion

地震震级的规定 General ruler for earthquake magnitude