Colorado’s Natural Fireworks—Volcanoes

By Doug Nichols Berthoud Recorder Recently, fireworks have been heard around town, but they were nothing compared with Colorado’s natural fireworks -- volcanoes. Volcanoes in Colorado? Yes! Well, not recently, but definitely in the geological past. The most recent volcanic eruption in Colorado took place about 4,200 years ago near the present day town of Dotsero, by the confluence of the Colorado and Eagle Rivers, in the north-central part of the state. Interstate 70 cuts across the lava ... Full Story