This comment is a rare gem. I'm not sure how you're an expert on all this, but even if you made it all up, it's presented very well with strategic sarcasm to boot.
Some general familiarity, a few recent items read and viewed (prior to today), along with general historical context, and harvesting heavily from the linked Wikipedia article as well as the one on pyroclastic flows.
I may or may not have been trying to put a few additional edges on my principle point.
I may or may not have been trying to put a few additional edges on my principle point.
But no: I'm not an expert on the topic.