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Earthquakes

Teacher: Corpening
Across
A force that acts on rock to change its shape or volume
Scale that rates an earthquake's magnitude based on the size of the seismic waves.
A fold in rock that bends downward to form a valley
Point at the depth where rocks rupture to produce earthquakes; place at where quake waves originate
Point on earths surface directly above the focus of an earthquake
Instrument used to measure vibrations on earths crust
The block of rock that forms the lower half of a fault
Rating system that estimates total energy released by an earth quake
The block of rock that forms the upper half of a fault
A scale that rates earthquakes according to their intensity and how much damage they cause at a particular place
Type of seismic wave that compresses and expands the ground
The shaking that results from the movement of rock beneath
A large area of flat land elevated high above sea level
Down
Force that pulls and stretches rock
Type of fault where the hanging wall slides upward
A type of fault where the hanging wall slides downward caused by tension in the crust
A force that pushes on or squeezes rock
Measure of energy released during an earth quake
A type of fault where rocks on either side move past each other sideways with little up or down motion
Seismic waves that travel along the earth surface
A fold of rock that bends upward into an arch forming mountains.
Stress that pushes masses of rock in opposite directions
A type of seismic wave that moves the ground up and down or side to side