In order to find information on natural disasters there are several phrases you can search online.
One example is "natural disaster statistics" -this will bring you numbers on money spent in relief, deaths, and number of disasters that have occurred in specific periods of time.
Another example is "natural disaster prevention"-this will show you information on how to best prepare for a natural disaster based on what the disaster is and where you live
A third example is "natural disaster relief"-this will show you the after-effects of natural disasters and what different countries do to help those who have been affected