Introduction to Earthquakes

What is an earthquake?

• When the earth causes an upward thrust in the epicenter.
• When the earth moves up and down along the ocean floor.
• When tectonic plates move against each other causing the earth to move. 
• None of the above

The hypocenter is called the focus

• True
• Sometimes
• Only with a convergent earthquake.
• False

The epicenter of the earthquake is below the focus.

• True
• Sometimes
• Only with a convergent movement
• False the epicenter is above the focus.

This earthquake is......?

• Convergent
• Transform
• Divergent
• Rift Zone

This earthquake is......?

• Convergent
• Transform
• Divergent
• Rift Zone

This earthquake is......?

• Convergent
• Transform
• Divergent
• Rift Zone

This earthquake is forming a ......?

• Convergent Boundary
• Transform Boundary
• Uplift Zone
• Rift Zone

Waves move out through the ground from the ..........

• rift
• hypocenter
• epicenter
• fault line

What is the machine called that measures earthquakes?

• A seismoscale
• A seismoshake
• A seismograph
• A magnatuide scale

Who developed the procedure used to measure the size of an earthquake?

• Edward Sheridan
• James Hutton
• Charles Richter
• Art Smith