Dotsero is the most recent of four quaternary volcanic centers in NW Colorado. The locations and relative ages are: Dotsero (4,150 years ago), Willow Peak (undated), McCoy (0.64 Ma) and Triangle Peak (1.98 – 1.87 Ma). Triangle Peak was the only one of these not monogenetic as it produced at least 11 lava flows before activity stopped. Willow Peak is described as a young cinder cone with a narrow lava flow extending 6 – 7 km E.
The Tatun (Datun) Volcanic Group (TVG) is a number of andesitic lava domes in the northern portion of the island of Taiwan. There are at least 20 volcanoes, the southernmost (and largest) of which are located only 15 km N of Taipei City. This puts over 5 million within 5 km of the field and nearly 8 million within 30 km.
Today our fancy takes us to the NE of Spain. Just to the corner where the Pyrenees mountain range meets the Mediterranean Sea, to the province of Girona in Catalonia. For millions of us European tourists the Mediterranean Costa Brava with its golden beaches is a household name. As in so many other touristic spots in the world, one could ask, how many of the sun worshippers would have known that, some 60 km inland, there is a volcanic field to be visited? Continue Reading