Ash erupted high into the atmosphere from Kīlauea in 2018. Credit: U.S. Geological Survey When the Kīlauea Volcano erupted in May 2018, an enormous amount of ash was released into the atmosphere in a ...
For several years now, we’ve been following a tantalizing story indicating that the high heat of the ash cloud generated when Mount Vesuvius erupted in 79 AD was sufficiently hot to turn one of the ...