Yellowstone Caldera Quiz

What is the Yellowstone Caldera also known as?

• Yellowstone Plateau

• Yellowstone Geyser

• Yellowstone Supervolcano

• Yellowstone Basin

How often does Old Faithful, a geyser in Yellowstone National Park, erupt?

• Every 35 to 120 minutes

• Once a day

• Every 60 to 180 minutes

• Twice a week

When did the Yellowstone Caldera last erupt?

• 640,000 years ago

• 1 million years ago

• 500,000 years ago

• 750,000 years ago

How large is the Yellowstone Caldera?

• About 30 miles long and 45 miles wide

• About 20 miles long and 35 miles wide

• About 40 miles long and 60 miles wide

• About 25 miles long and 50 miles wide

What is the temperature of the hot springs in Yellowstone National Park?

• As high as 356 degrees Fahrenheit

• As high as 456 degrees Fahrenheit

• As high as 556 degrees Fahrenheit

• As high as 256 degrees Fahrenheit

According to the map, which area is NOT marked as a deposit made by previous eruptions of the Yellowstone Supervolcano?

• Mesa Falls Ash Bed

• Huckleberry Ridge Ash Bed

• Lava Creek Ash Bed

• Snake River Ash Bed

How often do scientists estimate that supervolcano eruptions occur?

• Every 1,000 to 10,000 years

• Every 10,000 to 100,000 years

• Every 100 to 1,000 years

• Every 100,000 to 1,000,000 years

What is one of the most telling signs that a supervolcano might erupt according to the text?

• A sudden drop in temperature

• The occurrence of small earthquakes in the area

• An increase in the number of tourists

• A change in the color of the sky

Which gases are typically released when a supervolcano has increased activity?

• Oxygen and nitrogen

• Carbon monoxide and argon

• Carbon dioxide and sulfur dioxide

• Methane and helium

What long-lasting effect can a supervolcano eruption have on the climate?

• It can cause global warming

• It can cause temporary cooling

• It can increase humidity levels

• It can lead to a permanent rise in temperatures