Natural disasters affect thousands of thousands of people each year, all around the world.
They can cause, amongst others, deaths, injuries, homelessness, loss or damage to infrastructure and massive population movements.
But why and how exactly do they form? How often and where do they happen? What are the devastating and often lingering effects of disasters like tsunamis, floods, and volcanic eruptions?
Explore our Natural Disasters Explained series to find out the answers to these questions and many more.