Mount Fuji hasn’t erupted since 1707. But for Volcanic Disaster Preparedness Day, Japanese officials have released computer- and AI-generated videos showing a simulation of a potential violent ...

Large clouds of smoke billow from Japan’s most famous mountain. In no time, volcanic ash spreads to the heavily populated capital of Tokyo, fogging up the air and blanketing buildings and vehicles.

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...