
Volcano - Wikipedia
The most common perception of a volcano is of a conical mountain, spewing lava and poisonous gases from a crater at its summit; however, this describes just one of the many types of volcano. The …
Volcano | Definition, Types, & Facts | Britannica
May 18, 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 to the …
Which Volcanoes are Erupting? - List & map of Active
1 day ago · List & map of currently active volcanoes. Notes: The status colors of volcanoes are our subjective interpretation of activity status (unrest, alert, erupting, major eruption) and have no official …
Volcano facts and information | National Geographic
Jul 10, 2025 · 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 crafts...
About Volcanoes | U.S. Geological Survey - USGS.gov
Molten rock below the surface of the Earth that rises in volcanic vents is known as magma, but after it erupts from a volcano it is called lava. Magma is made of molten rock, crystals, and dissolved …
Anatomy of a Volcano - U.S. National Park Service
Jul 5, 2023 · Volcanoes are both the vents where molten rock material and volcanic gases are erupted from within Earth’s interior, and the cones and mountains built up around those vents. But beyond …
Active Volcanoes in 2026 — Currently Erupting & Recently Active
Complete list of currently erupting and recently active volcanoes worldwide, updated for 2026 with eruption dates, locations, and activity status.
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 as escaping gases force …
Volcanoes: Facts, news, features and articles about geology's fieriest ...
Mar 2, 2026 · From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic geological events on the planet. Volcanoes are cracks in Earth's crust that allow molten rock and hot...
Global Volcanism Program | Current Eruptions
The Smithsonian / USGS Weekly Volcanic Activity Report (WVAR) for the week ending on 10 June 2026 includes the 24 volcanoes shown below marked "Yes" in the WVAR column (rollover for report). The …