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

An earthquake map from the U.S. Geological Survey (USGS) shows that minor earthquakes hit nine states on Friday morning. California is perhaps the state most known for earthquakes, as the Golden ...

The official death toll from Saturday's cyclone has risen to 22, with over 1,400 people injured, including 48 in critical condition.