Sep 29, 2025 · Volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. The term volcano can also refer …

A volcano is commonly defined as a vent or fissure 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 …

What is a volcano? A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape. Volcanic eruptions are partly driven by pressure from dissolved gas, much …

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.

1 day ago · Ambrym+Yasur volcanoes in Vanuatu An adventurous expedition to some of the most spectacular and active volcanoes in the world! Our volcano expedition to Vanuatu lets you …

Jun 16, 2025 · What is a Volcano? A volcano is, fundamentally, a geological vent or fissure in the Earth’s crust (or the surface of another planet or moon) through which molten rock, hot gases, …

May 21, 2025 · A volcano is an opening in a planet or moon’s crust through which molten rock and gases trapped under the surface erupt, often forming a hill or mountain.

Feb 25, 2025 · Volcanoes are cracks in Earth's crust that allow molten rock and hot gases to escape.

Volcanoes (Volcanoes are not associated with weather, but instead are natural disasters.) What is a volcano? A volcano is a mountain that opens downward to a pool of molten rock below the …

Any channel through the crust that allows the magma to flow is called a volcano. A volcano has a chamber of hot magma on one end and an opening to the air (or ocean) on the other.