Mother Nature unleashes a swarm of tornados on a group of storm chasers. A delivery driver in Japan gets swallowed by the deadliest tsunami in Japan's history. And finally, a massive avalanche barrels into a small town in Norway.

Mother Nature attacks Gulf Coast residents with the worst hurricane in US history; a tornado rips through a hardware store, turning merchandise into lethal weapons; and in Haiti, a monstrous earthquake claims countless victims.

Mother Nature unleashes a barrage of attacks around the globe. In San Francisco, an earthquake crushes commuters; a rolling avalanche devours climbers in the Himalayas; and in Nebraska, lightning strikes an unlucky storm chaser.

In Southern California, raging wildfires set the stage for a massive mudslide killing 14 people at a campsite. A tornado targets an Oklahoma truck driver. Plus, an Indonesian volcano errupts, smothering nearby citizens with a blanket of ash.

Mother Nature continues to wreak havoc: Apocalyptic dust storms suffocate cities around the globe; a tornado chases a family, nearly crushing them; and a volcano erupts almost annihilating the population of the Pacific Northwest.

In this episode, a flaming tornado terrorises a team of firefighters; a Hawaiian volcano wipes an island paradise off the map; and an avalanche of rocks and debris obliterate a village in Honduras.

In recent years the destructive power of natural disasters has been recorded--from Hurricane Katrina to the earthquake and tsunami that devastated Japan.

A massive landslide chases a group of construction workers. A tornado tears through an airport and an earthquake threatens a 700-year-old church. Mother Nature continues her killing spree.