Volcano - Wikipedia
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 …
Volcano | Definition, Types, & Facts | Britannica
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 …
Which Volcanoes are Erupting? - List & map of Active Volcanoes …
6 days ago · What's erupting? List & map of currently active volcanoes Updated: Nov 8, 2025 10:20 GMT - 3 days ago refresh =major eruption =erupting =eruption warning =volcanic unrest …
Volcanic Ash Advisory Centers - National Weather Service
Informational website about NOAA's Volcanic Ash Advisory Centers and their monitoring of volcanic ash across significant parts of the world.
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.
VOLCANIC Definition & Meaning - Merriam-Webster
The meaning of VOLCANIC is of, relating to, or produced by a volcano. How to use volcanic in a sentence.
Volcanoes and Volcanic Eruptions - Facts and Information
Articles, facts, information and photos for volcanoes and volcanic activity. | Geology.com
Volcanoes and Your Safety | Volcanoes | CDC
Apr 22, 2024 · Know how to prepare for and protect yourself during and after volcanic eruptions.
Volcano facts and information | National Geographic
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...
What to know about visiting Hawaii Island during the volcanic …
1 day ago · Kilauea's most recent eruption drew in flocks of visitors. Here's what travelers should know about the natural spectacle.