Plate Tectonics and the Ring of Fire Quiz

What percentage of all earthquakes occur along the Ring of Fire?

• 90%

• 70%

• 50%

• 100%

What shape is the Ring of Fire?

• Square

• Horseshoe

• Triangular

• Circular

Which tectonic plate is subducting beneath the North American Plate to form the Aleutian Trench?

• Eurasian Plate

• Cocos Plate

• Nazca Plate

• Pacific Plate

What is the process called when magma wells up in a rift as the old crust pulls apart?

• Subduction

• Seafloor spreading

• Transform faulting

• Convergent boundary

Which fault is one of the most active in the Ring of Fire?

• Himalayan Fault

• San Andreas Fault

• East Pacific Fault

• Mid-Atlantic Ridge

What is the name of the most southern active volcano on Earth?

• Mount St. Helens

• Mount Ruapehu

• Mount Erebus

• Mount Fuji

Which volcano is part of the Taupo Volcanic Arc?

• Krakatoa

• Mount Fuji

• Mount Erebus

• Mount Ruapehu

What is the result of the Cocos Plate subducting beneath the North American Plate?

• Aleutian Islands

• Cascade Mountains

• Trans-Mexican Volcanic Belt

• Andes Mountains

Which volcano had a historic eruption in 1980?

• Mount Fuji

• Mount St. Helens

• Krakatoa

• Popocatépetl

What is the term for areas deep within Earth's mantle from which heat rises?

• Hot spots

• Faults

• Rift valleys

• Subduction zones