From natural chaos to wartime blasts and industrial disasters, these are history's most powerful non-nuclear explosions ...

Known as the Campana structure, this pyramid was built using tephra, or volcanic ejecta, produced by the catastrophic Tierra ...

The May 18 eruption began with an earthquake that caused the northern flank of the mountain to collapse, producing the largest landslide in recorded history. The avalanche ... The outward blast spread ...