A team of USGS researchers in Flagstaff are working to develop an all new geologic map of the Grand Canyon region.

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 ...

We’re forecasting this, and we’re making detailed models that can be useful for engineers to design buildings and for ...