Underwater Volcano Quiz

What is the name of the underwater volcano ready to erupt off the West Coast?

• Mount Rainier

• Mount St. Helens

• Kilauea

• Axial Seamount

Where is the Axial Seamount located?

• On the Juan de Fuca Ridge

• In the Atlantic Ocean

• In the Pacific Ocean near Hawaii

• On the San Andreas Fault

What geological feature is Axial Seamount associated with?

• A hotspot and tectonic plate boundary

• A continental rift

• A subduction zone

• A transform fault

What signals an impending eruption of Axial Seamount?

• Increased fish activity

• Rising sea levels

• Decreased water temperature

• Increased frequency of earthquakes

What happens during an eruption of Axial Seamount?

• The volcano collapses completely

• Magma oozes out and creates lava flows

• A large explosion occurs

• Ash clouds form above water

What is a caldera?

• A large crater formed by a collapsed magma chamber

• A species of fish

• A type of volcanic rock

• A type of underwater plant

What thrives in the caldera of Axial Seamount?

• Small plants, animals, and microbes

• Large mammals

• Reptiles

• Birds

What are 'snowblowers' in the context of Axial Seamount?

• Ice formations

• White plumes of microbial waste

• Snowstorms

• Wind patterns

How does the magma's viscosity affect the eruption?

• It affects the pressure buildup in the magma chamber

• It changes the color of the lava

• It affects the temperature of the lava

• It determines the height of the eruption

What is the significance of the timing of Axial Seamount's eruptions?

• They coincide with solar eclipses

• They occur when Earth is moving away from the sun