Yellowstone Supervolcano Facts and Impacts

Yellowstone, a beloved national park, harbors a super volcano, one of Earth's largest. Historical eruptions were massive, with one 2 million years ago launching 600 cubic miles of lava. Recent studies reveal rapidly filling lava chambers and frequent earthquakes, suggesting potential future eruptions. Such an event could block sunlight in the Western U.S. for decades.

What makes Yellowstone National Park particularly dangerous?

• It is home to many wild animals.

• It is a supervolcano.

• It has extreme weather conditions.

• It is prone to frequent flooding.

How many supervolcanoes are known to exist on Earth?

• About 100

• About 50

• About 20

• About 10

How does the size of the historical Yellowstone eruption compare to the Mount St. Helens eruption?

• It was 500 times bigger.

• It was 5,000 times bigger.

• It was 1,000 times bigger.

• It was 2,500 times bigger.

Approximately how long ago did the largest eruption of Yellowstone occur?

• 4 million years ago

• 1 million years ago

• 2 million years ago

• 3 million years ago

What recent discovery did scientists make about Yellowstone in 2022?

• The number of geysers is increasing.

• The park is shrinking.

• The lava chambers are rapidly filling.

• The park is expanding.

What could be a potential consequence of a future eruption at Yellowstone?

• Improved air quality

• Increased tourism in the area

• Blocking out the sun in the Western United States

• A decrease in local wildlife