Earthquake Knowledge Quiz

What causes an earthquake?

• Heavy rainfall

• Volcanic eruptions

• Sudden movement of tectonic plates

• Strong winds

What are seismic waves?

• Light waves

• Sound waves

• Vibrations caused by an earthquake

• Waves in the ocean

What is the focus of an earthquake?

• The location of the largest aftershock

• The area with the most damage

• The point where the earthquake begins

• The point on the surface directly above the epicenter

Where do nearly all earthquakes occur?

• In the middle of tectonic plates

• In polar regions

• At plate boundaries

• In deserts

What is a foreshock?

• A smaller earthquake following the main shock

• A vibration caused by volcanic activity

• A type of seismic wave

• A tremor before the main earthquake

What percentage of seismic activity occurs along the Pacific Ocean’s subduction zones?

• 60%

• 80%

• 70%

• 50%

What is the primary effect of an earthquake?

• Tsunamis

• Fires due to ruptured gas mains

• Ground shaking causing buildings to collapse

• Landslides

What is the purpose of earthquake-proof infrastructure?

• To prevent earthquakes

• To reduce damage caused by earthquakes

• To increase the magnitude of earthquakes

• To predict earthquakes

What is the epicenter of an earthquake?

• The area with the most aftershocks

• The point on the surface directly above the focus

• The point where the earthquake begins

• The deepest point of the earthquake

What is a secondary effect of an earthquake?

• Cracks in the ground

• Tsunamis

• Ground shaking

• Buildings collapsing