Images related to Mt. Marra, Sudan

Dry Wadi Fills with Life
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Dry Wadi Fills with Life

These true-color images show a wadi in northern Niger on September 19, 2007, and September 18, 2009. The 2007 shows the wadi populated by plants that have taken advantage of recent precipitation.

Published Nov 8, 2009

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Unrest at Turrialba Volcano, Costa Rica
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Unrest at Turrialba Volcano, Costa Rica

A new vent opened at the summit of Costa Rica’s Turrialba Volcano in mid-January, 2012.

Published Jan 25, 2012

Land Volcanoes

Payún Volcanic Field
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Payún Volcanic Field

Part of the back-arc volcanism of the Andes, this complex landscape formed over 300,000 years.

Published Dec 30, 2012

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Anyuyskiy Volcano
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Anyuyskiy Volcano

Using data acquired September 13, 2002, this 3-D visualization shows an old lahar (avalanche of volcanic mud) extending from Anyuyskiy Volcano in far eastern Russia.

Published Jan 9, 2011

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Dendi Caldera, Ethiopia
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Dendi Caldera, Ethiopia

The approximately 4-kilometer-wide Dendi Caldera includes some of this silica-rich volcanic rock: the rim of the caldera, visible in this astronaut photograph, is mostly made of poorly consolidated ash erupted during the Tertiary Period (approximately 65–2 million years ago).

Published Mar 31, 2008

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Deadly Pyroclastic Flow at Paluweh Volcano
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Deadly Pyroclastic Flow at Paluweh Volcano

A fresh scar on the north side of this Indonesian volcanic island reveals the flow of hot ash and rock.

Published Sep 7, 2013

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Chaiten Volcano, Chile
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Chaiten Volcano, Chile

Acquired October 20, 2009, this high-resolution image of Chaitén Volcano shows a volcanic plume that appears almost white near the summit, likely due to high water content.

Published Oct 26, 2009

Atmosphere Land Volcanoes

Lahar on Mount Ruapehu, New Zealand
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Lahar on Mount Ruapehu, New Zealand

Lahars present an ongoing threat to those living around New Zealand’s Mount Ruapehu. On March 18, 2007, one such slurry burst out of Mount Ruapehu’s caldera and flowed down the side of the volcano.

Published Mar 28, 2007

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Emi Koussi Volcano, Chad
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Emi Koussi Volcano, Chad

At 3,415 meters above sea level, the summit is the highest of Africa’s Sahara region.

Published Feb 14, 2011

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