An earthquake rattled the Greeley area and was felt by many residents, but there were no reports of any problems.
A 4.8 earthquake shook the northern part of Yellowstone National Park early Sunday.
There are numerous scenarios involving missing Malaysia Airlines Flight 370, but scientists in Golden believe one from China is wrong.
A federal agency says a minor earthquake in Colorado and Utah might have been caused by a high-pressure well that injects brine 16,000 feet into the Earth.
A small earthquake was felt in southwestern Colorado and southeastern Utah.
A weak earthquake has hit the Colorado mountains.
A delegation from one of the areas hardest hit by last year’s earthquake and tsunami in Japan is in Denver on a thank-you mission.
An earthquake shook Southern Colorado Thursday night.
Emergency planners say most Coloradans are unprepared for an earthquake even though officials have spent years studying the consequences of a big one.
A Coloradan working in Maryland felt the shaking of the earthquake that originated in Virginia as he was on the phone with his girlfriend in Denver.