Earthquakes & Tsunamis

Earthquakes & Tsunamis

Unit Overview

Multiple Choice

The epicenter is right

next to the Focus.

• True

• False

Open Ended

What are seismic waves?

Fill in the Blank

The _____ is where the earthquake begins.

Fill in the Blank

A break in the rocks of the Earth's crust is called a _____.

Multiple Choice

The Earth's crust is divided into hundreds of plates.

• true

• false

Multiple Choice

What is the layer of Earth that we live on?

• crust

• continental crust

• mantle

• outer core

Multiple Choice

An earthquake occurs when plates slide and scrape against each other

• true

• false

Multiple Choice

A strike-slip fault is when the hanging-wall block moves up and over the footwall block.

• true

• false

Fill in the Blank

When crustal blocks move sideways past each other, usually sideways, it is called a _____ fault.

Multiple Choice

What does the Richter Scale measure?

• magnitude

• damage

• wind speed

Open Ended

What is the difference between a foreshock and aftershock?

Multiple Choice

Thousands of earthquakes occur every year on earth.

• true

• false

Multiple Choice

Is it possible for seismologists to predict when an earthquake will happen?

• yes

• no

Multiple Choice

An earthquake can cause a _____.

• hurricane

• tornado

• tsunami

• blizzard

Open Ended

How does an earthquake cause a tsunami?