Science Vocab List #2

the vibrations caused by an earthquake

the shaking of the ground caused by sudden movement of large blocks of rock along a fault

the point on the Earth's surface directly above the focus of an earthquake

in an earthquake, the point where rocks first begin to move underground

an instrument that constantly records ground movement

measure of an earthquake size; a measure of the energy of an earthquake; specifies on the Richter scale

a smaller earthquake that fallows a more powerful earthquake in the same area

a water wave caused by an earthquake, volcanic eruption, or landslide

a process in which the shaking of the ground causes loose, wet soil to act like a liquid

a fracture in the Earth's lithosphere along which blocks of rocks move past each other.