Start Date: End Date: Published Date Data Date
The River of No Return
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Published July 22, 2020
The Salmon River in Idaho, one of the longest free-flowing rivers in the United States, rushes through a geologic wonderland of wooded ridges, eroded bluffs, and stone towers and crags.
Related images:
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Virginia’s Volcanic Past
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Published October 14, 2019
A small volcano erupted in the Shenandoah Valley 48 million years ago.
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Warm Winds Trigger Melting in Antarctica
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Published April 11, 2019
Unusual late-season events could produce long-term changes to the snowpack on the Larsen C ice shelf.
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A Surprising Surge at Vavilov Ice Cap
Published April 8, 2019
An outlet glacier in the Russian High Arctic has scientists rethinking how rapidly glaciers in cold, dry areas can move.
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Drought then Deluge Turned a Stable Landslide into Disaster
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Published February 7, 2019
“Stable landslide” sounds like a contradiction in terms, but there are indeed places on Earth where land has been creeping downhill slowly and harmlessly for as long as a century.
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Crater Lurks Beneath the Ice
Published December 2, 2018
The Hiawatha Impact Crater in northwest Greenland was detected through some creative detective work and innovative instruments that can see through the ice.
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Looking to RECOVER After the Fire
Published November 16, 2018
A NASA project is providing maps of satellite data to emergency response teams during the Woolsey Fire.
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Lay of the Land Between Old River and the Mississippi
Published June 4, 2011
This model of the land elevation between the Mississippi, the Atchafalaya, and the Old River show the uphill fight to control river flow.
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7.7 Magnitude Quake off Sumatra
Published October 27, 2010
This image shows the topography, bathymetry, fault lines, and earthquake locations related to the earthquake that struck off the coast of Indonesia on October 25, 2010.
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Sumatra Subduction Zone
Published April 18, 2010
Subduction off the coast of Sumatra is responsible for the region’s geography, undersea topography, earthquakes, and volcanoes.
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Southern Madeira
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Published February 24, 2010
This topographic map of the Portuguese Island of Madeira helps illustrate why population centers on the island are prone to flooding.
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Magnitude 7.9 Earthquake Strikes South-Central Alaska
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Published November 6, 2002
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