New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. A detailed ...

Beginning in the 1940s, the U.S. Geological Survey’s National Mapping Program was tasked with the immense cartographical feat of surveying the entire country to create a series of more than 50,000 ...

Researchers, surveyors and general map geeks, take note: The U.S. Geological Survey just made your life a lot easier. The USGS just debuted a new online map viewer that gives the public easy access to ...

Last week's magnitude-5.2 earthquake in southern Illinois is a reminder that earthquakes are a national hazard, says the U.S. Geological Survey, which earlier this week released an updated version of ...

Nearly 75% of the country is at risk for a potentially damaging earthquake in the next 100 years, according to a recently updated map from the U.S. Geological Survey. The map is the first to include ...

A first-ever study from the U.S. Geological Survey found roughly 40 percent of groundwater contains lithium above EPA’s health reference level. The U.S. Geological Survey mapped for the first time ...

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 ...

Have you ever wanted to study the Moon’s surface in exacting detail? Now’s your chance. The USGS (with help from NASA and the Lunar Planetary Institute) has released the first complete geologic map of ...

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 ...

The total number of Americans at high risk from both natural and human-induced earthquakes this year is about 4 million. Mar 03, 2017 New maps produced by the U.S. Geological Survey identify potential ...

A map of Chicago, Illinois, imprinted in 1913 from the United States Geographical Survey’s historical topographic map collection. Image courtesy of the USGS Map lovers, rejoice! The United States ...