Because it decimates a wide array of human development.
A natural disaster that starts with "H" is -Hurricane & -Heat Wave
hurricane
Hurricane Hazel (1954)
hurricane
A natural disaster is a large disaster done by nature. (Hurricane, tornado, tsunami, etc)
Hurricane Irene and Hurricane Floyd
Hurricane
Hurricane Sandy
A natural disaster.
Hurricane Mitch
hurricane
No. Hurricanes require relatively unique conditions that are not generated or induced by any other natural disaster.