When Is a Caldera a Caldera?

It does not take long for a newcomer to volcano-watching, if we are to call our hobby that, to come across the term “caldera”, cauldron. The term is very loosely used to describe large volcanic depressions ranging from volcanic craters a few hundred metres in diameter up to the huge depressions left behind by the…

Ruminarian III – Holey Musings (calderas)

Where to start where to start… It’s pretty messed up when you have two or three related topics buzzing around and you don’t know how to either piece them together, or how to talk about one without spoiling another. I guess the first thing to talk about… are craters. When stuff is ejected from the…