Volcano - Wikipedia
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. The process …
Volcanoes 101 | National Geographic - YouTube
About 1,500 active volcanoes can be found around the world. Learn about the major types of volcanoes, the geological process behind eruptions, and where the most destructive volcanic …
Volcano | Definition, Types, & Facts | Britannica
Nov 12, 2024 — 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. A volcanic eruption is an …
About Volcanoes | U.S. Geological Survey - USGS.gov
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. What is a volcano? …
What Is a Volcano? | NASA Space Place – NASA Science for Kids
Oct 11, 2024 — A volcano is an opening on the surface of a planet or moon that allows material warmer than its surroundings to escape from its interior. When this material escapes, it causes …
The Volcanoes of the World database is a catalog of Holocene …
The Global Volcanism Program (GVP) seeks better understanding of all volcanoes through documenting their eruptions--small as well as large--during the past 12,000 years.
Volcano facts and information - National Geographic
Jan 15, 2018 — Volcanoes are Earth's geologic architects. They've created more than 80 percent of our planet's surface, laying the foundation that has allowed life to thrive. Their explosive force...
Volcanoes - Education | National Geographic Society
Oct 19, 2023 — A volcano is an opening in a planet or moon’s crust through which molten rock, hot gases, and other materials erupt. Volcanoes often form a hill or mountain as layers of rock and …
Iceland volcano erupts for the seventh time in a year | CNN
2 days ago — A new volcanic eruption that started on the Reykjanes Peninsula in Iceland, Wednesday, Nov.20, 2024. A volcano near Iceland’s capital erupted on Wednesday night, …
Volcanism | Examples, Effects, & Facts | Britannica
Oct 22, 2024 — volcanism, any of various processes and phenomena associated with the surficial discharge of molten rock, pyroclastic fragments, or hot water and steam, including volcanoes, …