Earthquakes

Front

What is an earthquake?

Back

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.

Front

What causes earthquakes?

Back

Earthquakes are caused by the movement of tectonic plates, volcanic activity, or human activities such as mining.

Front

What is the Earth's crust?

Back

The Earth's crust is the outermost layer of the Earth, made up of solid rock and minerals.

Front

What is a tectonic plate?

Back

A tectonic plate is a large section of the Earth's crust that moves and interacts with other plates.

Front

What does the word 'alter' mean?

Back

To change or modify something.

Front

What is a hazard?

Back

A hazard is a source of danger that can cause harm or damage.

Front

What is the opposite of severe?

Back

Gentle.

Front

What is the Richter scale?

Back

The Richter scale is a scale used to measure the magnitude of earthquakes.

Front

Where did the largest recorded earthquake occur?

Back

The largest recorded earthquake occurred in Chile in 1960.

Front

What is a fault line?

Back

A fault line is a crack in the Earth's crust where two tectonic plates meet.