USGS - science for a changing world

U.S. Geological Survey

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS

USGS: Your source for science you can use

As an unbiased, multi-disciplinary science organization that focuses on biology, geography, geology, geospatial information, and water, we are dedicated to the timely, relevant, and impartial study of the landscape, our natural resources, and the natural hazards that threaten us. Learn more about our goals and priorities for the coming decade in our Science Strategy.

Science Areas

Hazards

Show all hazards

Recent Earthquakes:
Recent world earthquakes Recent USA earthquakes
World | USA RSS: Latest earthquakes CAP: Latest earthquakes

More Hazards:

Real-time data Real-time hazards

Kasatochi Volcano Updates

Okmok Volcano Updates

Great Southern California ShakeOut

Kilauea—Latest Update

WaterWatch - Current Streamflow Conditions

USGS Emergency Management

USGS Store

Can't see Flash? Install Flash Player or use the HTML version.

News Releases Newsroom RSS feeds

Latest Publications RSS feed

Quick look:
Flynn, Robert H. (2008), Scientific Investigations Report 2008-5120.

During April 16-18, 2007, central and southeastern New Hampshire experienced severe flooding as a result of up to 7 inches of rainfall from a storm that stalled off the New England coast. As a result of the flooding, a Presidential Disaster Declaration was issued on April 27, 2007. On that day, dis...
Flood of April 2007 in New Hampshire

(Released: 2008-08-28)

Quick look:
Robertson, Dale M.; Weigel, Brian M.; Graczyk, David J. (2008), Professional Paper 1754.

Excessive nutrient [phosphorus (P) and nitrogen (N)] input from point and nonpoint sources is frequently associated with degraded water quality in streams and rivers. Point-source discharges of nutrients are fairly constant and are controlled by the U.S. Environmental Protection...
Nutrient Concentrations and Their Relations to the Biotic Integrity of Nonwadeable Rivers in Wisconsin

(Released: 2008-08-28)

Quick look:
Valder, Joshua F.; Delzer, Gregory C.; Price, Curtis V.; Sandstrom, Mark W. (2008), Open-File Report 2008-1226.

The National Water-Quality Assessment (NAWQA) Program of the U.S. Geological Survey (USGS) began implementing Source Water-Quality Assessments (SWQAs) in 2002 that focus on characterizing the quality of source water and finished water of aquifers and major...
Study Design and Percent Recoveries of Anthropogenic Organic Compounds With and Without the Addition of Ascorbic Acid to Preserve Water Samples Containing Free Chlorine, 2004-06

(Released: 2008-08-28)

CoreCast  Podcast feed  iTunes feed

Search USGS

Science Topics

Science In Your Backyard

Image Map - U.S. Map

See also:
Ecosystems | Coastal/Offshore | International

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North CarolinaNorth Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont U.S. Virgin Islands Virginia Washington West Virginia Wisconsin Wyoming

Frequently Asked Questions RSS feed


Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey | DOI Inspector General
URL: http://www.usgs.gov/default.asp
Page Contact Information: Ask USGS
Page Last Modified: Tuesday, July 08, 2008