Hot Spot Volcanism Quiz

What is the primary cause of hot spot volcanism?

• Convection of heat from deep within Earth's mantle

• Cooling of the Earth's core

• Movement of tectonic plates

• Erosion of Earth's crust

How do hot spot volcanoes differ from other types of volcanoes?

• They are always underwater

• They are formed by mantle plumes

• They erupt continuously without stopping

• They occur at tectonic plate boundaries

What shape do mantle plumes take as they reach the lithosphere?

• A flat disc

• A mushroom shape

• A spiral

• A cube

According to J. Tuzo Wilson's theory, where are hot spots located?

• Deep below Earth's mantle

• At the surface of the Earth

• In the Earth's core

• In the Earth's crust

What happens to a volcano once it moves away from a hot spot?

• It becomes extinct and cools

• It forms a new hot spot

• It becomes more active

• It erupts continuously

What are seamounts?

• Deep ocean trenches

• Coral reefs

• Flat plains on the ocean floor

• Submarine mountains formed by volcanic activity

Which hot spot is responsible for the formation of the Hawaiian Islands?

• The Réunion hot spot

• The Afar hot spot

• The Iceland hot spot

• The Hawaiian hot spot

What is the oldest large feature of the Yellowstone hot spot?

• The McDermitt Volcanic Field

• Old Faithful

• The Yellowstone Caldera

• The Hawaiian Islands

What is a geyser?

• A mountain formed by tectonic activity

• A hot spring that erupts water and steam

• A type of volcano that erupts lava

• A deep ocean trench

How many hot spots do most scientists believe exist around the world?

• 100 to 200

• 500 to 600

• 40 to 50

• 10 to 20