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Earthquake & Volcano

Across
Instrument used to measure vibrations on earths crust
Place where material from deep within the mantle rises and then melts forming magma.
Type of fault where the hanging wall slides upward
A type of seismic wave that moves the ground up and down or side to side
A large area of flat land elevated high above sea level
Rating system that estimates total energy released by an earth quake
A fold of rock that bends upward into an arch forming mountains.
A type of fault where the hanging wall slides downward caused by tension in the crust
A scale that rates earthquakes according to their intensity and how much damage they cause at a particular place
An opening at the surface of the earth through which volcanic material passes
A fold in rock that bends downward to form a valley
The shaking that results from the movement of rock beneath
Weak spot in the crust where molten material or magma come to the surface
Down
A wide gently sloping mountain made of layers of lava and formed by quiet eruptions.
Violent eruption with pyroclastic materials
Point at the depth where rocks rupture to produce earthquakes; place at where quake waves originate
Seismic waves that travel along the earth surface
The block of rock that forms the lower half of a fault
The block of rock that forms the upper half of a fault
Measure of energy released during an earth quake
Pocket under a volcano were magma gathers
A type of fault where rocks on either side move past each other sideways with little up or down motion
Stress that pushes masses of rock in opposite directions
Scale that rates an earthquake's magnitude based on the size of the seismic waves.
Point on earths surface directly above the focus of an earthquake
Force that pulls and stretches rock
Type of seismic wave that compresses and expands the ground
A force that acts on rock to change its shape or volume