Natural Hazards Quiz

What is a natural hazard?

• A) A man-made event that causes little damage.

• B) A planned scientific experiment.

• C) An extreme geologic or weather event that occurs naturally and might negatively impact humans.

• D) A beneficial natural event that helps the environment.

Which of the following is an example of a natural hazard?

• A) Earthquake

• B) Building construction

• C) Urban development

• D) Agricultural activity

What year did the Mount St. Helens eruption occur, causing significant natural destruction?

• A) 1975

• B) 1980

• C) 1985

• D) 1990

What did scientists observe at Mount St. Helens before the eruption in 1980?

• A) Large cracks forming on the mountain surface

• B) Several small magnitude earthquakes

• C) Sudden drop in local wildlife population

• D) Heavy snowfall

What indicated that magma was rising inside Mount St. Helens before it erupted?

• A) The volcano was shrinking

• B) The volcano was emitting large amounts of smoke

• C) The volcano was bulging on one side

• D) The temperature around the volcano dropped significantly

What are geologic hazards?

• Natural events that positively impact humans

• Man-made structures that cause harm

• Natural events that negatively impact humans

• Regular weather patterns

Which of the following is NOT a type of geologic hazard?

• Earthquake

• Volcanic eruption

• Tornado

• Avalanche

What causes tsunamis?

• Strong winds

• Giant waves caused by earthquakes

• Lunar gravitational pull

• Underwater volcanic eruptions

What is mass-wasting?

• The process of water evaporation

• The accumulation of earth materials

• Slow, downhill movement of soil

• Rapid flooding of a region

What are atmospheric hazards?

• Events that positively impact humans

• Natural events that negatively impact humans

• Man-made events that improve weather conditions

• Daily weather patterns