Chapter 8 Earthquakes
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________the study of earthquakes
_______the bending, tilting, and breaking of the Earth's crust; the change in the shape of rock in response to stress
_______the sudden return of elastically deformed rock to its undeformed shape
_________a seismic wave that causes particles of rock to move in a side-to-side direction
_________a seismic wave that causes particles of rock to move in a back-and-forth direction
__________a wave of energy that travels through the Earth, away from an earthquake in all directions.
__________the point along a fault at which the first motion of an earthquake occurs
___________the point of Earth's surface directly above an earthquake's starting point, or focus
__________a tracing of earthquake motion that is created by a seismograph
__________an instrument that records vibrations in the ground and determines the location and strength of an earthquake
____________a hypothesis that is based on the idea that a major earthquake is more likely to occur along the part of an active fault where no earthquakes have occurred for a certain period of time
_____________an area along a fault where relatively few earthquakes have occurred recently but where strong earthquakes have occurred in the past
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