When this volcano eventually blows ... Within hours of the eruption, a torrent of mud, melted snow and rock inundated the town of Armero and killed an estimated 25,000 people.

Just a couple hours after the eruption started, a river of mud, rocks, lava and icy water swept over the town of Armero ... Kīlauea the most hazardous US volcano — no surprise given how ...

Mount Tambora changed the world. In 1815, the Indonesian volcano exploded in the most powerful eruption in recorded history, sending an enormous plume of tiny sun-reflecting particles high into ...