Earthquakes

Front

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

Back

Faults

Front

What do we call the spot on the Earth's surface where an earthquake occurs?

Back

Epicenter

Front

How many earthquakes happen every year?

Back

Millions

Front

What is the name of the fault line located in California?

Back

San Andreas

Front

What are the blocks that make up the Earth's crust called?

Back

Plates

Front

What is the point inside the Earth where an earthquake starts?

Back

Focus

Front

What scale is used to measure the magnitude of earthquakes?

Back

Richter scale

Front

What is the term for the shaking of the ground caused by an earthquake?

Back

Seismic activity

Front

What is the layer of the Earth where earthquakes occur?

Back

Crust

Front

What is the term for the energy released during an earthquake?

Back

Seismic waves