A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ...

A pyroclastic flow burst from Mount Etna’s summit on 2 June 2025 and raced down the volcano’s western flank while a ...

The extreme investigators at How to Survive uncover why escaping a fast-moving pyroclastic flow is nearly impossible. What we know about suspected White House Correspondents’ Dinner gunman Roman ...