Earthquakes

Front

What is the Earth's thin, rocky outer layer called?

Back

Crust

Front

What is the measure of the size of seismic waves produced by an earthquake?

Back

Magnitude

Front

What can a travel-time graph be used to find in relation to an earthquake?

Back

Epicenter

Front

Which layer of the Earth is located beneath the crust?

Back

Mantle

Front

What is the point on the Earth's surface directly above the focus of an earthquake?

Back

Epicenter

Front

What is the term for the point within the Earth where an earthquake originates?

Back

Focus

Front

What type of waves are generated by an earthquake and travel through the Earth?

Back

Seismic waves

Front

What is the scale used to measure the magnitude of earthquakes?

Back

Richter scale

Front

What is the difference between the epicenter and the focus of an earthquake?

Back

The epicenter is the point on the surface directly above the focus, which is the point within the Earth where the earthquake originates.

Front

What is the primary cause of earthquakes?

Back

The movement of tectonic plates.