Yellowstone Supervolcano Quiz

What would be a likely consequence if the Yellowstone supervolcano erupted?

• Increase in tourism

• Improvement in air quality

• Damage to buildings and agriculture

• Decrease in global temperatures

How far could the ash from a Yellowstone supervolcano eruption spread?

• Across the entire United States

• Only within Yellowstone National Park

• Across the state of Wyoming

• To neighboring states only

What is the likelihood of a super-eruption at Yellowstone supervolcano, according to the article?

• Highly likely

• Impossible

• Unlikely

• Scheduled for the next decade

What is the potential consequence of a Yellowstone supervolcano eruption as found by scientists?

• Flooding of major rivers

• Formation of new mountains

• Burying nearby states in three feet of volcanic ash

• Immediate cooling of the Earth's atmosphere

According to the study mentioned, what is more common at Yellowstone?

• Large, catastrophic eruptions

• Small, frequent eruptions

• No eruptions at all

• Only geothermal activity

What is the general outlook on the possibility of a catastrophic eruption at Yellowstone, according to the text?

• It is very likely to happen soon

• It is a predictable event in the near future

• It is considered unlikely and not predicted

• It happens regularly every century

What is Yellowstone National Park primarily known as in terms of geological features?

• A large forest reserve

• A reservoir of hot magma

• A major river source

• A mountain range

What causes the ground above Yellowstone to periodically rise and fall?

• Earthquake activity alone

• Changes in the water table

• Magma rising up into the chamber and cooling

• Meteorological variations

What is the minimum cubic kilometers of material ejected to classify an eruption as a "super-eruption" according to the Volcano Explosivity Index?

• 100 cubic kilometers

• 500 cubic kilometers

• 1,000 cubic kilometers

• 10,000 cubic kilometers

When did the last smaller lava flow eruption occur at Yellowstone before the publication of this material?

• 50,000 years ago

• 70,000 years ago

• 100,000 years ago

• 120,000 years ago