Yellowstone Super Volcano Quiz

Where is Yellowstone volcanic system located?

• Southeastern Wyoming

• Northwestern Wyoming

• Northeastern Wyoming

• Southwestern Wyoming

What is the volcanic system at Yellowstone created by?

• A collision of tectonic plates

• A hotspot below the North American tectonic plate

• A rift in the Earth's crust

• A meteor impact

How far beneath the surface is the hotspot that scientists think is causing the volcanic activity at Yellowstone?

• 50 miles

• 125 miles

• 200 miles

• 300 miles

What has remained stationary while the North American plate has moved?

• The hotspot

• Yellowstone

• The South American plate

• The Eurasian plate

Approximately how many years ago did Yellowstone reach its current location?

• 1 million years ago

• 2 million years ago

• 3 million years ago

• 4 million years ago

How many stages of life do volcanoes created by the Yellowstone Hotspot have?

• 2

• 3

• 4

• 5

What causes the first stage in the life of a volcano created by the Yellowstone Hotspot?

• A meteor impact

• The hotspot building up heat under a new location

• A shift in tectonic plates

• Erosion of the landscape

What is the approximate size of the area typically covered by the bulge in the first stage of a volcano's life created by the Yellowstone Hotspot?

• 100-mile wide area

• 200-mile wide area

• 300-mile wide area

• 400-mile wide area

What causes the explosive eruptions during the second stage of life for Yellowstone volcanoes?

• The cooling of magma beneath the surface

• The presence of more silica and trapped gas in the magma

• The interaction of magma with water sources

• The decrease in pressure as magma rises to the surface

What type of lava typically erupts during the second stage of a volcanic eruption according to the text?

• Basaltic lava

• Andesitic lava

• Rhyolite lava

• Pahoehoe lava