Volcanic Eruptions

What is the state of this volcano?

• Currently Erupting

• Active

• Dormant

• Extinct

What numbers does the Volcanic Explosivity Index use?

• 1-10

• 0-8

• 1-8

• 1-5

Which 3 of these factors are used on the VEI to measure the magnitude of volcanic eruptions?

• Height of eruption column

• Distance lava flow travels

• Amount of material ejected

• Amount of damage caused

Which of these volcanoes reached the highest on the VEI?

• Mount St Helens

• Yellowstone Supervolcano

• Mount Pinatubo

• Krakatoa

Draw an explosive volcanic eruption.

Draw an effusive volcanic eruption.

Which type of eruption is the strongest and buried the town of Pompeii under ash and tephra?

• Vulcanian

• Strombolian

• Plinian

• Pelean

Which type of eruptions have the most fluid type of lava and can erupt continuously for many years?

• Hawaiian

• Plinian

• Vulcanian

• Strombolian

Which type of eruption causes lava to erupt with a loud 'pop' and lava columns to form?

• Hawaiian

• Pelean

• Vulcanian

• Strombolian

Which type of eruption is also called Nuee Ardente, and includes fast moving pyroclastic flows?

• Vulcanian

• Pelean

• Plinian

• Hawaiian