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 …

6 days ago · 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 landform …

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 …

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 …

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...

2 days ago · Get current updates on the current activity on Iceland's Reykjanes Peninsula including its most recent eruptions in 2021, 2022, 2023! Follow the latest news and updates about Europe's most …

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...

Interactive world map showing all volcanoes. Explore eruption history, elevation, and activity levels for 1,740+ volcanoes worldwide.

The Smithsonian / USGS Weekly Volcanic Activity Report (WVAR) for the week ending on 13 May 2026 includes the 22 volcanoes shown below marked "Yes" in the WVAR column (rollover for report). The …

2 days ago · A cataclysmic volcanic eruption is one of the most violent and disruptive things our planet can do.