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 accumulation of …

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 such as Puʻu ʻŌʻō …

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...

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

Apr 17, 2023 · Volcanoes both build and destroy landscapes. Eruptions of lava, ash, volcanic bombs, blocks, and cinders form new land on oceanic islands, and build towering and inspiring snow …

5 days 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 26, 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.

Although volcanic events have not caused the recent increase in Earth’s average temperature, eruptions have occurred throughout history and influence the Earth system in a variety of ways on various scales.

4 days ago · From the fiery lava fountains of Hawaiʻi’s Kīlauea volcano to the dramatic eruption of the Reykjanes Peninsula Fissure Eruption in Iceland, 2025 was filled with plenty of volcanic activity. Here …