Earthquakes Ch. 8.1

Front

The tendency for the deformed rock along a fault to spring back after an earthquake is called _____

Back

elastic rebound

Front

What is the term for the vibration of the Earth's crust?

Back

Earthquake

Front

True or False: When rocks are deformed, they store elastic energy.

Back

True

Front

An earthquake that occurs sometime soon after a major earthquake is called _____

Back

aftershock

Front

A fracture or break in the lithosphere along which movement has occurred is known as a _____

Back

fault

Front

The point on the Earth's surface directly above the focus of an earthquake is called the _____

Back

epicenter

Front

What is the focus of an earthquake?

Back

The point within the Earth where an earthquake originates.

Front

What type of seismic wave travels the fastest?

Back

Primary waves (P-waves)

Front

What is the scale used to measure the magnitude of an earthquake?

Back

Richter scale

Front

What is a seismic wave?

Back

A wave of energy that travels through the Earth, often as a result of an earthquake.