Geography Key Terms

What is an earthquake?

• A sudden, violent shaking of the earth's surface.

• A large ocean wave caused by sudden motion on the ocean floor.

• The spreading of urban areas into surrounding rural areas.

• A rapid movement of rocks, soil, and vegetation down a slope.

What can cause a tsunami?

• Urban sprawl

• An earthquake, a volcanic eruption, or an underwater landslide

• Liquefaction

• A sudden jolt from primary waves

What is liquefaction?

• Occurs when water fills the spaces between soil particles during repeated shaking like an earthquake.

• The growth and expansion of urban areas.

• A rapid movement of rocks and soil down a slope.

• A measure of an earthquake's magnitude based on its seismic moment.

What are primary waves also known as?

• S-waves

• Landslide movements

• Tsunami waves

• P-waves

What does the moment magnitude scale measure?

• The speed of urban sprawl

• The size of a tsunami wave

• An earthquake's magnitude based on its seismic moment

• The amount of ecological footprint

What is urbanisation?

• The expansion of urban areas into rural areas

• The coordinated process of recovery after an emergency

• The process of making an area less prone to earthquakes

• The growth and expansion of urban areas

What does mitigation aim to do?

• Decrease or eliminate the impact of a disaster on society and environment

• Increase the ecological footprint

• Measure the magnitude of an earthquake

• Cause a sudden, violent shaking of the earth's surface

What is the growth and expansion of urban areas known as?​ ​ ​ ​ (a)   ​

• Trees
• Urbinisation
• Travel
• Subways