The Earth’s surface is a dynamic mosaic of geological features and tectonic activity, evolving over billions of years.

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 ...

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The Wyoming State Geological Survey (WSGS) has published a new geological bedrock map titled Preliminary Geologic Map of the ...