Category: volcanoes

Gila Wilderness Super-Volcanoes

Thanks to the Discovery Channel, the National Geographic Channel, the BBC, and other mass media documentaries, most people have heard of super-volcanoes: large-scale geologic features, which when they become active, can spew 1,000 cubic kilometers (240 cubic miles) or more of ejected material in the form of lava, molten rock fragments and ash over vast […]