Dotsero Volcano | John Seach


Colorado, USA

39.65 N, 107.03 W
summit elevation 2230

Dotsero volcano is located in NW Colorado, 2 km NE of the small town Dotsero. It is the only active volcano in Colorado.
The most recent eruptions produced an explosion crater, lahars, and 3 km long lava flow.

The volcano consists of a crater some 700 m across by 400
m deep, a lithic-rich pyroclastic deposit, a strombolian scoria-fall deposit, lahars deposits, and a lava flow.

The crater floor is roughly flat, and covered by talus. Features of the volcano include Triangle Peak, and Willow Peak.

Dotsero Volcano Eruptions

2220 BC ± 300