The U.S. Geological Survey citizen science project, The National Map Corps, has realized remarkable response. In less than two years, the volunteer-based project has harvested more than 100,000 ...

In late August, the U.S. Geological Survey quietly released a new tool that could reshape how Americans understand the ground beneath their feet. The Cooperative National Geologic Map, now live online ...

Chloride and nitrate concentrations are rising and arsenic levels are holding steady or falling. Those are two of the conclusions from a U.S. Geological Survey assessment of changes in the nation’s ...

A new detailed map by the U.S. Geological Survey (USGS) provides a powerful, interactive tool that lets users see the types of rocks that lie underneath them. The map, which was unveiled in August, is ...

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model released ...

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, according to a new United States Geological Survey map. The new USGS National Seismic Hazard Model ...

During this year, National Atlas of the United States and The National Map will transition into a combined single source for geospatial and cartographic information. This transformation is projected ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (KSWB) — Earthquakes can’t be ...

Look out, South Carolina, Illinois, and Missouri. Although California is well known for earthquakes, new federal government maps extend the high-risk zones for temblors across much more of the country ...

Some parts of Oklahoma and Texas now have about the same risk of an earthquake as parts of California, according to the U.S. Geological Survey. The big difference is, the quakes in Oklahoma and Texas ...