The vibrations can cause houses to slide off their foundations, and can make buildings contract, expand, shakefrom side to side, and bounce up and down.
震动会使房屋滑出它们的建筑，会使建筑物收缩、廓张，两边摇晃，和上下弹跳。
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Eureka Police Capt. Murl Harpham was at his desk Thursday afternoon when the room began to shakefrom a magnitude 6.0 earthquake that struck off the Northern California coast.