Yellowstone Supervolcano Quiz

How many truly enormous eruptions has the Yellowstone supervolcano had in history?

• Three

• Two

• Four

• One

What is the main damage that would come from a Yellowstone super-eruption?

• Seismic activity

• Volcanic ash

• Earthquakes

• Lava flows

What is the Volcano Explosivity Index (VEI) magnitude required for an eruption to be considered a super-eruption?

Which region of the United States would be most affected by a Yellowstone super-eruption?

• West Coast

• Midwest

• Southwest

• Northeast

What is the main component of volcanic ash?

• Splintered rock

• Molten lava

• Carbon dioxide

• Water vapor

What effect can a volcanic eruption have on the global climate?

• Increase in rainfall

• No effect on temperature

• Decrease in temperature

• Increase in temperature

What are the odds of a Yellowstone super-eruption occurring in any given year?

• 0.00001 percent

• 0.01 percent

• 0.0001 percent

• 0.001 percent

What is the current behavior of Yellowstone according to the US Geological Survey?

• Rapid ground rise

• Normal behavior

• Imminent eruption

• Increasing seismic activity

What is the possible future of the Yellowstone supervolcano?

• Migration to the northeast

• Complete extinction

• Continued eruptions

• Formation of a new supervolcano

How long could it take for the volcanic hotspot to move out from under Yellowstone?