Study figure and identify which natural disaster is most common and what

Study figure and identify which natural disaster is most common and what parts of the Earth are most affected by it?
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Floods are the most common natural disaster according to the given figure.
Floods are most common in those parts of the Earth which receive high rainfall and those areas which have large rivers flowing through them. Flooding can take place due to improper drainage facility which is because of human negligence. India, China and Bangladesh are some countries prone to floods. Other countries of the world also face floods from time to time, depending on the rainfall.