Nov 26, 2025 · Strictly speaking, the term volcano means the vent from which magma and other substances erupt to the surface, but it can also refer to the landform created by the …

Vents that issue volcanic material (including lava and ash) and gases (mainly steam and magmatic gases) can develop anywhere on the landform and may give rise to smaller cones …

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.

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...

Apr 17, 2023 · Eruptions of lava, ash, volcanic bombs, blocks, and cinders form new land on oceanic islands, and build towering and inspiring snow-covered peaks. Volcanic eruptions are …

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

1 day ago · Photos: The Year in Volcanic Activity Scenes from the wide variety of volcanic activity on Earth over the past year Updated at 3:09 p.m. ET on December 29, 2025 By Alan Taylor …

16 hours ago · Magma under pressure Scientists are still unraveling the complex ways melting ice affects volcanic activity, but there is general agreement over how the relationship may unfold.

Dec 19, 2025 · A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes pose the greatest threat.

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