The Katmai Volcanic Complex

First an appropriately weasel-worded disclaimer….. The Katmai Volcanic Complex is one of the most complex, interconnected volcanic structures in the US. Within an area of 300 km2, it has five major stratovolcanoes, a caldera, and a dome marking the site of the largest eruption in the 20th Century – the Katmai – Novarupta eruption of…