An underground holding pool for hot magma is called a

Scientists use a ________ to measure earthquake waves.

A vibration of Earth's crust is an ______

A large basin that can form at the top of a volcano is a

Most of the magma from a volcano comes up through a long,narrow,rocky tube called a ____

____________ is melted rock that flows out onto Earth's surface.

Hot,melted rock that is underground is called____

Earth's crust contains ocean basins and large pieces of land called____

The point on Earth's surface that is directly above an earthquake 's focus is the

Earth's crust and upper mantle are broken into several ______

A mountain that forms lava is a _____

The ____ of an earthquake is the point underground where the movement of the earthquake first takes place.

A break in the crust along which rocks move is a _____