We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.

A massive supervolcano beneath the waters of southern Japan is quietly recharging, drawing significant attention from scientists worldwide. The Kikai caldera, responsible for the largest volcanic ...

This situation is heating up. One of the world’s most volatile volcanoes is silently refilling with molten rock, sparking fears that this caldera could be getting ready to unleash a torrent of lava, ...