Where two plates collide or come together

Where two plates divide or move apart from each other.

Where two plates slide past each other.

The theory that all of Earth's continents were once joined together into a single large landmass and then started drifting away from each other, forming the continents we see today.

The single huge supercontinent that existed millions of years ago when all of Earth's continents were joined together.

When Earth's tectonic plates move or grind against each other and it releases stress, or energy, which causes a vibratin.

A fracture or break in the Earth's crust

The center and starting point of an earthquake. The point where two plates shifted suddenly.

A long high sea wave cause by an earthquake

A tool that geologist use to measure the size of an earthquake

A scale used to rate the magnitude of an earthquake.

A crack in the Earth's surface, where magma rises from under the surface of the Earth and pushes through as lava.

An explosive volcano that shoots ash and lava into the air made of cinders.

A volcano made with alternating layers of lava and ash

A volcano with a ball like opening with slow moving lava.

The outer most layer of Earth.

The middle layer of Earth

The inner most layer of Earth

The layer of air that surrounds Earth