Attendees offered a prayer to 43 victims who died in 1991, and to another person who died in the pyroclastic flows that occurred on June 23, 1993. A pyroclastic flow is a deadly, fast-moving mix ...

Nearly 30 billion cubic feet of ash spewed into the air, choking residents and causing famine in the aftermath as farmlands ... be trapped in the path of pyroclastic flows, burning at more than ...

The couple, unaware of the sudden spectacle behind them, drop their pose and turn around—catching only the aftermath of ...

That is hotter than the pyroclastic flow that buried the city, which peaked at around 465 degrees. Then the brain needed to rapidly cool down – and all this had to happen before the flow arrived.

YAMAGUCHI—An eruption of Mount Aso in Kumamoto Prefecture 90,000 years ago created a pyroclastic flow that traveled 170 kilometers north to the Sabagawa river here, the longest such distance ...