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Earthquakes
Vocabulary for Test
Term | Definition |
---|---|
earthquake | vibrations produced by the breaking of rock |
magnitude | the measure of energy released during an earthquake |
fault | the surface along which rocks move when they pass their elastic limits and break. |
seismic wave | waves generated by an earthquake which can move the ground forward and backward, up and down, and side to side. |
wave | rhythmic movement that carries energy through matter and space. |
liquefaction | occurs when soil behaves more like a liquid during an earthquake. |
focus | the point below Earth's surface where the energy is released during an earthquake. |
epicenter | the point on the surface of Earth directly above the earthquake's focus |
tsunami | seismic sea wave caused by earthquakes on or beneath the ocean floor. |