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Technical Announcements

Explore the technical news that focuses on data, methodologies, and more.

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Date published: July 6, 2010

25,000 Maps...and Counting

In response to the need for updated topographic maps, the U.S. Geological Survey (USGS) has developed and made available a new national map series called the US Topo. Production of these maps began in earnest in June 2009. In a little over a year, the USGS National Geospatial Technical Operations Center (NGTOC) has published more than 25,000 7.5-minute cells. 

Date published: June 29, 2010

Finding Imagery of Disasters Gets Graphic

After a major disaster, a satellite image or a collection of aerial photographs is frequently the fastest, most effective way to determine the scope and severity of the event. With that goal, the USGS operates the Hazard Data Distribution System (HDDS) to process and deliver satellite and aerial imagery in near-real time during natural or human-caused disasters.

Date published: June 21, 2010

Fish Mercury Concentrations Decrease in the 1970s and 80s; Recent Trends Show Variation

A recent U.S. Geological Survey study examined a compilation of state and federal fish-monitoring data for trends in mercury levels in fish from 1969 to 2005 in U.S. rivers and lakes.

Date published: June 11, 2010

First Detailed National Map of Land-Cover Vegetation Released

The most detailed national vegetation U.S. land-cover map to date was released today by the U.S. Geological Survey (USGS). The map will enable conservation professionals to identify places in the country with sufficient habitat to support wildlife.

Date published: June 7, 2010

USGS and Spot Image Corporation Announce Data Agreement

The U.S. Geological Survey will receive nearly unlimited access to imagery collected by Spot Image satellites over the continental United States under a major data purchase agreement announced today. The mid-resolution earth observation data from SPOT 4 and 5 satellites are similar to imagery acquired by aging U.S. Landsat satellites.

Date published: June 4, 2010

Didymo Confirmed in Remote Chilean Rivers

The presence of the invasive diatom Didymosphenia geminata, or didymo, has been confirmed in remote Chilean rivers near Esquel, Argentina, by a U.S. Geological Survey scientist and diatom expert.

Date published: May 28, 2010

USGS Accelerates Access to Maps in Oil Spill Area

To assist in responding to the Deepwater Horizon oil spill, the U.S. Geological Survey has developed a new tool to rapidly distribute the latest USGS topographic maps of the Gulf Coast region.

Date published: May 18, 2010

Nile Delta Natural Gas Potential is Significant

An estimated 223 trillion cubic feet (tcf) (mean estimate) of undiscovered, technically recoverable natural gas are in the Nile Delta Basin Province, located in the Eastern Mediterranean region.

Date published: May 6, 2010

Large Amounts of Nitrogen Stored Beneath Selected Agricultural Areas

Large amounts of nitrogen are stored in the soils of agricultural areas in Nebraska and Maryland, according to a new study by the U.S. Geological Survey and the U.S. Department of Agriculture. Once in the soil, nitrogen can be converted to nitrate, which can readily move to groundwater.

Date published: April 12, 2010

USGS a Major Force at 2010 AAG Conference

At the Association of American Geographers (AAG) Annual Meeting, April 14-18, in Washington, DC, more than 80 USGS scientists will make presentations on topics ranging from advances in digital mapping to spatial analysis of risk management, from remote sensing of drought to historical land use. The conference is the world's largest gathering of geographers.

Date published: March 30, 2010

Climate Change Impacts on Wildlife will be Studied

Our nation’s fish and wildlife are expected to be significantly impacted now and in the future as the climate continues to fluctuate.

Date published: March 24, 2010

USGS Offers $7 Million in Earthquake Research Grants

RESTON, Va. — The U.S. Geological Survey (USGS) will award up to $7 million in grants and cooperative agreements for earthquake research in 2011.