Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

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 ...

The U.S. Geological Survey is scanning 250,000 of its historic maps to put online. The U.S. Geological Survey (USGS) is nearly halfway through its release of more than 250,000 historical topographic ...

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 ...

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 ...

Map of the United States including Hawaii, Alaska, and Puerto Rico showing landslide susceptibility from yellow (fewer landslides) to red (more landslides), where the areas without shading represent ...

Geologic maps don’t make headlines. You probably haven’t seen one unless you work in energy, construction, or science. Yet, over the past century, these documents have quietly shaped the way we build, ...

FEMA officials inspect a construction vehicle that went off the road on a section that had just been cleared of 15 feet of dirt from a landslide in Barranquitas, Puerto Rico, on Feb. 13, 2018. (FEMA/K ...