Volcanoes and Their Impact

What makes pyroclastic flows particularly dangerous?

• Their colorful appearance

• Their high speed and quiet nature

• Their slow movement

• Their loud noise

What significant event occurred in Mexico in 1943?

• A new volcano formed in a cornfield

• A drought affected the region

• A major earthquake struck the capital

• A tsunami hit the Pacific coast

How did the eruption of Ilopango affect the climate?

• It increased rainfall

• It led to a small Ice Age

• It had no climatic impact

• It caused a heatwave

What was the outcome of the Chaitén eruption in Chile?

• The government expanded the city

• The eruption was predicted accurately

• The volcano became dormant

• The city was completely destroyed

What was a major consequence of the 2010 Eyjafjallajökull eruption?

• Grounding of air traffic in Europe

• A new volcanic island formed

• Increased volcanic tourism

• A decrease in global temperatures

What is a significant concern regarding supervolcanoes?

• They are easy to predict

• They can cause global climatic changes

• They have minimal impact

• They erupt frequently

Where is the Yellowstone supervolcano located?

• In the Andes Mountains

• In the Rocky Mountains

• In the Himalayas

• In the Alps

What is a sign that the Yellowstone supervolcano is still active?

• Recurring small earthquakes

• Frequent large eruptions

• Constant lava flow

• No seismic activity

How often do supervolcano eruptions occur?

• Every 500 years

• Every 1,000 years

• Every 100,000 years

• Every 10,000 years

What could be a global consequence of a Yellowstone eruption?

• A rise in sea levels

• Increased global temperatures

• A new Ice Age

• A new desert formation