Earthquakes

Earth's crust is broken into blocks called _______?

Plates float on top of a layer of the Earth called _________?

A sudden release of energy within the Earth's crust causes _______?

Deep with in the crust there is a place where the energy is released which is called the _____ ?

On the Earth's surface we call this spot the _________ of the earthquake?

There are breaks or giant cracks in the Earth's crust called ________?

_________ is used to measure and classify the force of earthquakes.

The _____________ fault line is located in California.

How many earthquakes happen every year?

___________ happen due to an earthquake?