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25 Years After the Exxon Valdez, Sea Otter Population at Pre-Spill Levels

25 Years After the Exxon Valdez, Sea Otter Population at Pre-Spill Levels

Nearly 25 years after the Exxon Valdez oil spill injured wildlife off the coast of Alaska, a new report issued today by the U.S. Geological Survey...

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Burmese Pythons Pose Little Risk to People in Everglades

Burmese Pythons Pose Little Risk to People in Everglades

The estimated tens of thousands of Burmese pythons now populating the Everglades present a low risk to people in the park, according to a new...

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Pollutants Pose Threat to Mekong River Residents

Pollutants Pose Threat to Mekong River Residents

Portions of the Mekong River Basin contain hotspots of persistent organic pollutants that pose a significant threat to the residents and wildlife of...

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Pumping May Cause Some Groundwater Decrease in Edwards-Trinity Aquifer in Texas

Pumping May Cause Some Groundwater Decrease in Edwards-Trinity Aquifer in Texas

An increase in pumping water year-round for the next 30 years may cause groundwater levels to decrease by as much as 32 feet in parts of the Edwards...
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Changes in Stream-Water Quality Attributed to Coalbed Methane Development

Changes in Stream-Water Quality Attributed to Coalbed Methane Development

Three sites on the Powder River show a difference in water quality between the time prior to coalbed methane development and during the production...
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Barred Owls Ousting Spotted Owls in the Pacific Northwest

Barred Owls Ousting Spotted Owls in the Pacific Northwest

An increase in the barred owl population is contributing to the decline of threatened Northern spotted owls, according to models developed by U.S...

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The 1964 Great Alaska Earthquake and Tsunami


The 1964 Great Alaska Earthquake and Tsunami


On March 27th, 1964, the second largest instrumentally recorded earthquake worldwide rocked southern Alaska for 4 to 5 minutes. In addition to the...
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Media Advisory: USGS to Host Congressional Briefing: Earthquake Science and Remaining Mysteries

Media Advisory: USGS to Host Congressional Briefing: Earthquake Science and Remaining Mysteries

It's 1964 in Alaska. Imagine 4.5 minutes of powerful ground shaking underneath you from a magnitude 9.2 earthquake. You and your loved ones are then...

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Linking U.S. and Canadian Border Waters

Linking U.S. and Canadian Border Waters

Clearer views of waters along the U.S. and Canadian border are now possible with new seamless digital maps. These maps make it easier to solve complex...

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Drought Affects Streamflow Across California

Drought Affects Streamflow Across California

With California experiencing its worst drought in over a century, 2013 is in the record books as the driest calendar year in the state’s 119-year...

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National Scenic Trails Added to Washington State Maps

National Scenic Trails Added to Washington State Maps

Newly released US Topo maps  for Washington now feature segments of thePacific Crest and Pacific Northwest National Scenic Trails. 

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First Global Geologic Map of Largest Moon in the Solar System Details an Icy World

First Global Geologic Map of Largest Moon in the Solar System Details an Icy World

More than 400 years after its discovery by Galileo, the largest moon in the Solar System – Ganymede – has finally claimed a spot on the map. 

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