On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and because most of Earth's plate boundaries are underwater, most volcanoes are found underwater.

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 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.

Sep 19, 2024 · Volcanic processes consist of all natural volcano-related activity that happens on volcanic landforms. Volcanic eruptions range from effusive emissions of lava flows to highly …

Articles, facts, information and photos for volcanoes and volcanic activity. | Geology.com

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...

The Global Volcanism Program documents, disseminates, and archives eruption information to better understand worldwide volcanic activity. Reports are produced on daily, weekly, and …

Nov 20, 2025 · Stay on top of Volcanoes latest developments on the ground with Al Jazeera’s fact-based news, exclusive video footage, photos and updated maps.

Jan 2, 2026 · A volcanic eruption is an eruption of molten rock, hot rock fragments, and hot gases through a volcano, which is a vent in a planet’s or satellite’s crust. Volcanic eruptions can …

Apr 22, 2024 · Know how to prepare for and protect yourself during and after volcanic eruptions.