Images related to Mars and Earth: Columnar Jointing

Flood Basalts on Mars and Iceland
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Flood Basalts on Mars and Iceland

A team of NASA scientists headed to Holuhraun because the volcano has geologic cousins on Mars.

Published Oct 9, 2018

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The Shapes that Lavas Take, Part 2
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The Shapes that Lavas Take, Part 2

Low-viscosity lava flows produce long, narrow shapes on the landscape.

Published Nov 22, 2013

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Volcanic Activity at Kilauea
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Volcanic Activity at Kilauea

Fresh lava flows cover the slopes of Hawaii’s Kilauea Volcano.

Published Nov 4, 2010

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Holuhraun Lava Could Still Be Toasty Underneath
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Holuhraun Lava Could Still Be Toasty Underneath

Although the basaltic rock formed a hard crust, the flow is likely hot enough to prevent snow from building up on top.

Published Nov 9, 2016

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Fresh Lava Flows Surround Pu’u ‘O’o
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Fresh Lava Flows Surround Pu’u ‘O’o

Fresh lava flows radiate from Kilauea’s Pu’su ’O’o, crater, as the Volcano’s longstanding eruption continues.

Published Nov 13, 2011

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Fresh Lava Flows at Pu’u O’o
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Fresh Lava Flows at Pu’u O’o

Satellite view of fresh lava flows from recent activity at Kilaue’s Pu’u O’o Crater.

Published Sep 9, 2011

Land Volcanoes

El Malpais National Monument
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El Malpais National Monument

In western New Mexico, the landscape’s long volcanic history can be explored above and below the ground.

Published Feb 21, 2016

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Kilauea’s Lava Pours Into the Pacific
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Kilauea’s Lava Pours Into the Pacific

Molten rock meets the sea in the latest episode in a long-lived eruption.

Published Nov 20, 2016

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The Shapes that Lavas Take, Part 1
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The Shapes that Lavas Take, Part 1

Viscous, slow-moving lava flows form circular mounds known as lava domes.

Published Nov 21, 2013

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30th Anniversary of the Pu’u ’O’o Eruption on Kilauea
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30th Anniversary of the Pu’u ’O’o Eruption on Kilauea

Overlapping lava flows on Kilauea Volcano illustrate the formation of the Hawaiian Islands.

Published Jan 5, 2013

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Piton de la Fournaise
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Piton de la Fournaise

Piton de la Fournaise erupts almost every year, primarily from the lava shield named Dolomieu. A January 2009 image of this volcano shows signs of previous volcanic activity.

Published Mar 29, 2009

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Growth of the Holuhraun Lava Field
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Growth of the Holuhraun Lava Field

The Holuhraun lava field in Iceland continues to grow.

Published Jan 8, 2015

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Changes on Ol Doinyo Lengai
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Changes on Ol Doinyo Lengai

In September 2007, a series of explosive eruptions altered the summit of the volcano, the only one that erupts natrocarbonatite lava.

Published Sep 20, 2009

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Lava Flow from Erta Ale Range, Ethiopia
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Lava Flow from Erta Ale Range, Ethiopia

In early November 2008, a volcano erupted in the Erta Ale Range in northeastern Ethiopia, producing a fresh lava flow.

Published Nov 19, 2008

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Vredefort Crater
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Vredefort Crater

The world’s oldest and largest known impact structure shows some of the most extreme deformation conditions known on Earth.

Published Sep 1, 2018

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Nyamuragira Volcano Erupts
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Nyamuragira Volcano Erupts

A river of red and black lava marks the site of Nyamurigira’s latest eruption.

Published Nov 16, 2011

Heat Land Volcanoes

Growth of Shiveluch Volcano
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Growth of Shiveluch Volcano

Fresh debris avalanches and a growing lava dome on Mount Shiveluch illustrate some of the processes that build stratovolcanoes.

Published Nov 8, 2011

Land Volcanoes