Volcano - Wikipedia
Augustine Volcano (Alaska) during its eruptive phase on January 24, 2006 A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot …
Which Volcanoes are Erupting? - List & map of Active ...
Nov 16, 2025 · Which volcanoes are erupting? - List & map of active volcanoes erupting at present
Volcano | Definition, Types, & Facts | Britannica
Nov 26, 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 to the …
Watch Hawaii's Kīlauea volcano erupt on Christmas Eve - MSN
The Kīlauea volcano on Hawaii's Big Island shot lava fountains as high as 1,400 feet into the air, the USGS reported.
Global Volcanism Program | Current Eruptions
Jul 7, 2018 · There are 44 volcanoes with continuing eruptions as of the Stop Dates provided, and as reported through 19 September 2025. Although detailed statistics are not kept on daily activity, …
Anatomy of a Volcano - U.S. National Park Service
Jul 5, 2023 · Eruption cloud - A cloud of volcanic ash, tephra, and gases that forms downwind of an erupting volcano. Eruption column - A vertical pillar of superheated volcanic ash, tephra, and gases …
Volcano Hazards Program | U.S. Geological Survey
2 days ago · There are about 170 potentially active volcanoes in the U.S. The mission of the USGS Volcano Hazards Program is to enhance public safety and minimize social and economic disruption …
Volcanoes - National Geographic Society
May 21, 2025 · 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 ash …
Volcano - Simple English Wikipedia, the free encyclopedia
Volcano Mount St. Helens erupting on May 18, 1980 Koryaksky volcano on the Kamchatka peninsula, eastern Russia A volcano is a mountain that has lava (hot, liquid rock) coming out from a magma …
Volcano facts - National Geographic Kids
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?