Volcanoes of the World

Explication : The Pacific Ring of Fire contains more than 450 volcanoes, representing 75% of the world's active volcanoes.

Explication : Eyjafjallajökull disrupted air traffic for several weeks, its ash cloud forcing the cancellation of thousands of flights.

Explication : Mount Fuji stands at 3,776 meters. This stratovolcano is a sacred symbol of Japan and a UNESCO World Heritage Site.

Explication : Magma becomes lava when it exits the volcano. The term "magma" refers to molten rock beneath the Earth's surface.

Explication : Piton de la Fournaise is located on Réunion Island. It is one of the most active volcanoes in the world with frequent eruptions.

Explication : A caldera forms when the magma chamber empties during an eruption, causing the summit to collapse.

Explication : Mount Etna, located in Sicily (Italy), is the largest and most active volcano in Europe, with almost continuous activity since antiquity.

Explication : The eruption of May 18, 1980 was cataclysmic: the north flank collapsed, creating the largest debris avalanche in recorded history.

Explication : Stratovolcanoes (or composite volcanoes) are the most dangerous. Examples: Vesuvius, Fuji, Pinatubo.

Explication : Yellowstone has a caldera measuring 55 x 72 km. A future eruption could have planetary consequences.

Explication : The eruption of Tambora in Indonesia was the most powerful in modern history, ejecting ash that darkened skies worldwide.

Explication : Kilauea is one of the most active volcanoes in the world. Its 2018 eruption destroyed more than 700 homes.