F.4 DSE Geography - Unit 1.6 Impacts of tectonic hazards

How do you call the equipment used for measuring earthquake waves?

If we measure the energy released in an earthquake, which word should we use to describe it?

• Magnitude

• Intensity

• Seriousness

• Energy released

If we measure the destruction created to the humanity in an earthquake, which word should we use to describe it?

• Magnitude

• Intensity

• Seriousness

• Energy released

When we measure the magnitude of an earthquake, which scale/ unit should we use?

• Richter scale

• Earthquake

• Modified Mercalli Scale

• Body-wave magnitude scales

When we measure the intensity of an earthquake, which scale/ unit should we use?

• Richter scale

• Earthquake

• Modified Mercalli Scale

• Body-wave magnitude scales

Which of the following are the possible direct impacts brought about by earthquakes?

• Economic loss

• Injuries and casualties

• Retreat of coastline

• Landslides

• Pyroclastic flow

Which of the following are the possible direct impacts brought about by volcanic eruptions?

• Economic loss

• Poisonous gases

• Ships and boats are washed ashore

• Landslides

• Pyroclastic flow

Which of the following volcanic gases are toxic or poisonous to human beings?

• Water vapour

• Sulphur dioxide

• Carbon dioxide

• Carbon monoxide

• Hydrogen sulfide

When rainwater is mixed with the mud erupted by a volcano, how do you call this secondary hazard?

Which of the following are the possible impacts brought about by volcanic ash/ ash clouds?

• Lower the visibility

• Cause air traffic disruption

• Crop failure

• Difficulty in breathing