While it is often said that mountains don’t move, in reality, the Colorado Rocky Mountains are the result of a slow dance that has been occurring beneath the earth’s surface for hundreds of millions of years.
The state’s mountains contain thousands of faults, where two blocks of rocks are fractured and move relative to each other, usually slowly but sometimes suddenly, causing earthquakes.
On Friday, Sept. 6, a group of U.S. Geological Survey scientists scraped and studied the inside of a freshly dug trench just off the Rainbow Lake Trail near Frisco in search of evidence of mountains moving…