Plate Tectonics/Boundary + Earthquake Test Review

Front

What is the focus of an earthquake?

Back

The focus is the point inside the Earth where the earthquake originates.

Front

What was the name of the ancient supercontinent formed 200 million years ago?

Back

Pangea.

Front

What are foreshocks?

Back

Foreshocks are smaller earthquakes that occur before a larger earthquake.

Front

What type of fault is characterized by the hanging wall moving down relative to the footwall?

Back

Normal fault.

Front

What phenomenon is most likely produced by transform boundaries?

Back

Earthquakes.

Front

What is the epicenter of an earthquake?

Back

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

Front

What are aftershocks?

Back

Aftershocks are smaller earthquakes that occur after the main shock of a larger earthquake.

Front

What is a reverse fault?

Back

A reverse fault is a type of fault where the hanging wall moves up relative to the footwall.

Front

What is a strike-slip fault?

Back

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

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.