More than a hundred earthquakes occur each year. They can annihilate a city in just a few seconds. Tokyo, Istanbul, Los Angeles… Some of the biggest cities in the world are under threat. Fortunately, our understanding of earthquakes is becoming more and more accurate. Almost everywhere on the surface of the globe, a vast network of GPS trackers have been installed on mountains as on great plains. Researchers from all over the world are now focusing on one single objective: Anticipating the exact moment when the Earth will move.
Avalanches can reach speeds of 30 km an hour, exerting a force ten times stronger than cyclones. How can they be predicted and their impact limited?
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Every year, 30 million bolts of lightning hit the earth. No zone is spared. So what is the best defence? And why are certain geographical areas increasingly affected?
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With wind speeds inside their vortex reaching up to 500 km per hour and travelling at the speed of a high-speed train, tornadoes are capable of destroying everything in their path. But how do they start? How can we predict them and minimise their destruction?
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