a break in earths crust along which rocks move
point on the surface of earth that is right above the focus of an earthquake
thickest layer of the earth found just below the crust
a mountain that forms when red-hot melted rock flows through a crack onto earth's surface
earths outer layer which includes the rock of the ocean floor and large areas of land
continent size slab of earths crust and upper mantle
the rocky opening in a volcano that which magma rises toward the surface
the dense center of earth which is a ball mostly made of two metals
a vibration or shaking of earth's crust
an underground pool that holds magma below a volcano
a large basin formed at the top of a volcano when the top falls in on itself
melted rock that reaches earth's surface
the point underground where the movement of an earthquake first takes place
an instrument that records earthquake waves
melted rock inside earth
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