Volcanoes are openings, or vents where lava, tephra (small rocks), and steam erupt onto the Earth's surface. Volcanic eruptions can last days, months, or even years.
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A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Wikipedia
Mauna loa type: basaltic shield volcano
There are volcanoes on every continent, even Antarctica. Some 1,500 volcanoes are still considered potentially active around the world today; 161 of those—over ...
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber ...
Volcanoes prove that beneath its calm surface, Earth remains a living planet. Volcanoes, like Mauna Loa in Hawaii, are effusive. Rather than a violent ...
Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits ...
Check out these fascinating volcano facts with National Geographic Kids! What is a volcano? Why does it erupt? And where can you find the world's biggest?
May 13, 2024 · Volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, ...
Dec 14, 2022 · Volcanoes are the both the vent where molten rock material is erupted and the mountains or cones (edifices) built by those eruptions. Some types ...
Aug 14, 2018 · A volcano is a mountain or hill with an opening. When a volcano erupts, magma is pushed up through the opening with great force. When magma ...
A volcano is an opening in Earth's crust. When a volcano erupts, hot gases and melted rock from deep within Earth find their way up to the surface.