Jan 7, 2026 · 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 …

Volcanoes are some of nature's most awe-inspiring displays, with everything from exploding mountaintops to rivers of lava. Learn how all the different types of volcanoes work.

A volcano is an opening, or rupture, in a planet's surface or crust, which allows hot magma, volcanic ash and gases to escape from the magma chamber below the surface.

USGS scientists monitor over 160 active and potentially active volcanoes in the United States. Some of these are erupting now and others could erupt at some point in the future. Most of …

Volcanology (also spelled vulcanology) is the study of volcanoes, lava, magma and related geological, geophysical and geochemical phenomena (volcanism). The term volcanology is …

How does heat escape from the churning engine that keeps our planet running? Through volcanoes.

Find out about active volcanoes worldwide. See which volcanoes are erupting at the moment! Probably more than you think... A short illustrated dictionary of volcanic terms and features. …

This website is a comprehensive educational resource that describes the science behind volcanoes and volcanic processes

Feb 25, 2025 · Discover interesting facts about volcanoes, including why and where they form and history's deadliest eruption.

A volcano is a vent from which the melted rocks under the surface of the earth's crust can escape the heat and pressure that has built up. But to understand volcanoes, first we need to learn a …