Earthquakes

Front

What are faults?

Back

Faults are breaks or cracks in the rocks that make up Earth's crust.

Front

What is the focus of an earthquake?

Back

The focus of an earthquake is the location under the ground where the rocks slipped to create the earthquake.

Front

What type of stress creates a shearing fault?

Back

Shearing stress creates a shearing fault.

Front

What type of stress creates a compression fault?

Back

Compression stress creates a compression fault.

Front

What is a normal fault?

Back

A normal fault is a type of fault where the rocks above the fault plane move down relative to the rocks below.

Front

What is a reverse fault?

Back

A reverse fault is a type of fault where the rocks above the fault plane move up relative to the rocks below.

Front

What is a strike-slip fault?

Back

A strike-slip fault is a type of fault where rocks slide past each other horizontally.

Front

What causes earthquakes?

Back

Earthquakes are caused by the sudden release of energy in the Earth's crust, often due to movement along faults.

Front

What is seismic waves?

Back

Seismic waves are waves of energy that travel through the Earth and are caused by earthquakes.

Front

What is the epicenter of an earthquake?

Back

The epicenter is the point on the Earth's surface directly above the focus of an earthquake.