Even though the countries are limited, UN Desinventar has really detailed disaster information. Let me share an example: Vietnam’s data.
Just click the target country (Vietnam), and you can see the different types of data, such as pie charts (disaster type), polygonal lines (trend), spatial (geographical distribution), and statistical (regional data).
The following are the screen shots:.
* UN Desinventar
http://www.desinventar.net/index_www.html