Question

what is disaster?and its types

Answer 1

A disaster is a serious disruption, occurring over a relatively short time, of the functioning of a community or a society involving widespread human, material, economic or environmental loss and impacts, which exceeds the ability of the affected community or society to cope using its own resources.

Answer 2

A disaster is a sudden, calamitous event that seriously disrupts the functioning of a community or society and causes human, material, and economic or environmental losses that exceed the community's or society's ability to cope using its own resources. Though often caused by nature, disasters can have human origins.

→Natural Types of Disasters
Agricultural diseases & pests.
Damaging Winds.
Drought and water shortage.
Earthquakes.
Emergency diseases (pandemic influenza)
Extreme heat.
Floods and flash floods.
Hail.