After lurking about on this blog since the beginning, and seeing so many requests for explanations of volcanic terms, I decided to try my hand at creating some vocabulary lists. So here’s one on types of volcanic eruptions. Unfortunately, different names have been applied to different eruption types over time, creating a fair amount of…
The more you read about volcanism in North America, the more confused you become by the immense complexity of eruptive phenomenae and sequences. As will be clear from my last article about Mount Tehama (Lassen), it is never the question about a single central volcano such as Vesuvius or Etna, but about a multitude of…
Glowing avalanches, pyroclastic flows or nuees ardentes, or whatever you want to call them, are probably the most feared and deadly of the volcanic solid products pouring down the flanks at speeds up to 100km/h+ at temperatures of 500°C or more (lead melts at 330°C, glass softens at 550°C). They are composed of incandescent rock…
VolcanoCafé 
You must be logged in to post a comment.