Volcanoes: Earth's Fiery Giants Test your knowledge on volcanoes, their formation, eruptions, and impact on our planet in this comprehensive geography quiz. alina90 published on Sunday Stacked 1/13 Which of the following is the largest active volcano on Earth? Krakatoa Mount Fuji Mauna Loa Mount Vesuvius 2/13 Which is the most active volcano in Europe? Mount Etna Eyjafjallajökull Mount Vesuvius Stromboli 3/13 What is the main component of magma? Carbon dioxide Ice Molten rock Water vapor 4/13 What is the Ring of Fire? A folklore legend A desert area A type of volcanic rock A region around the Pacific Ocean with many volcanoes 5/13 What causes a volcano to erupt? Earth's magnetic field Gravitational forces Pressure from gases within magma Wind 6/13 Which volcanic eruption buried the city of Pompeii in AD 79? Mount Etna Mount St. Helens Mount Vesuvius Kilauea 7/13 Which of the following is a dormant volcano? Kilauea Mount St. Helens Mount Etna Mount Kilimanjaro 8/13 Which type of volcano is characterized by gentle slopes? Cinder cone Stratovolcano Shield volcano Caldera 9/13 Which volcano is known as the "Lighthouse of the Mediterranean"? Santorini Etna Stromboli Vesuvius 10/13 What is a pyroclastic flow? A slow-moving lava stream A form of volcanic eruption A fast-moving current of hot gas and volcanic matter A type of volcanic lightning 11/13 Which volcano eruption was the loudest sound historically recorded? Mount St. Helens Mount Tambora Krakatoa Pinatubo 12/13 In which country is Mount Vesuvius located? Japan Greece Italy Indonesia 13/13 What is a volcano? A large underground lake A type of cloud A species of dinosaur A mountain that releases lava