volcanism

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Introduction References & Edit History Quick Facts & Related Topics

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volcanism and plate tectonics

Soufrière Hills, Montserrat

How volcanoes work, explained by a volcanologist

Cerro Negro volcano

Kilauea volcano

Luzon, Philippines

Momotombo Volcano and Momotombito Island, Nicaragua

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Arenal Volcano in northwestern Costa Rica in the province of Alajuela.

Are Volcanoes Dangerous When They’re Not Erupting?

animated gif/infographic of the Mount Tambora eruption, April 1815. volcano. Indonesia.

How the 1815 Eruption of Mount Tambora Produced the “Year Without a Summer”

Ash cloud rising from the Kilauea Volcano Pu`u `O `o as crater floor collapses due to magma withdrawal. Incandescent rubble can be seen crumbling and rolling down the scarp. East rim of Pu`u `O `o is in the foreground, Kilauea, Hawaii on March 6, 2011.

Watch Your Step: 6 Things You Can Fall Into

Mount Saint Helens (Cascade Range, southwestern Washington) spewing ash during the 1980 eruption.; Mount St. Helens

35th Anniversary of Mount Saint Helens Eruption

Volcanic eruption of a volcano near Antigua, Guatemala

What Causes a Volcano to Erupt?

Discover

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

6 Wars of Independence

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

volcanism: Facts & Related Content

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Facts

Also Known As	volcanic activity • vulcanism

Photos and Videos

volcanism and plate tectonics

Soufrière Hills, Montserrat

Cerro Negro volcano

Kilauea volcano

Luzon, Philippines

Momotombo Volcano and Momotombito Island, Nicaragua

How volcanoes work, explained by a volcanologist

View original footage of Paricutín's nine-year volcanic eruption and the devastation experienced by surrounding communities

Learn about the volcanic collapse of Mount Mazama and Crater Lake caldera formation in Cascade Range

Discover the ancient Roman city of Pompeii, buried in volcanic ash when Mount Vesuvius erupted

Learn how basaltic rock composing the Columbia Plateau was once lava from a series of volcanic fissure eruptions

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Topics

volcano magma subglacial volcanism intraplate volcanism volcanic eruption degassing plume What Causes Acid Rain?kimberlite eruption hot spring plate tectonics earthquake seafloor spreading diastrophism seismicity continental drift continent How Do Tectonic Plates Move?How Are Mountains Formed?supercontinent

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Key People

Alexander von Humboldt

Alexander von Humboldt

German explorer and naturalist

Leopold, Baron von Buch

German geologist

Nikolay Aleksandrovich Kozyrev

Russian astronomer

Scrope, George Julius Poulett

George Julius Poulett Scrope

British geologist