Sec 3 GY Plate Tectonics - Earthquakes

Which of the following describes a sudden motion or trembling of the earth caused by the abrupt release of slowly accumulated energy in rocks?

• focus

• fault

• earthquake

• earthling

What is used to measure the magnitude of an earthquake? 

• Barometer

• Ritcher Scale 

• Sling psychrometer

• Anemometer

Which of the following examples is mostly likely to experience the least damage from an earthquake?

• During an earthquake in Christchurch, New Zealand, the epicenter was in a town a few kilometer away from the city. 

• An earthquake in Helsinki, Finland, with a magnitude 2.0 far away from the city.

• The earthquake in the Sun Moon Lake Region in Taiwan occurred a few hours after midnight. 

The extent of damage caused by an earthquake may vary based on a few factors. Which example/s below could result in a greater damage by an earthquake?

• Densely populated city.

• A village without any evacuation plans. 

• A city with buildings built on saturated and unconsolidated sediments.

• All the above.

What point on the earth's surface is likely to suffer the greatest damage from an earthquake? 

• focus

• fault

• epicenter

• earthcore

Where do earthquakes occur? 

• Divergent, convergent and transform plate boundaries.

• Divergent and convergent plate boundaries only.

• Transform and divergent plate boundaries only.

• Transform and convergent plate boundaries only.

Which of the following is NOT a risk associated with living in earthquake zones?

• tsunamis

• fires

• floods

• landslides

After an earthquake event, the stress from the ground within the earth's crust may cause smaller earthquakes called_____.

• aftershock

• focus

• tsunami

• fault

Identify A and B.

• A: Epicenter

  B: Fault line

• A: Epicenter

  B: Focus

• A: Focus

  B: Epicenter

• A: Focus

  B: Fault line