Flood is a natural disaster which occurs when a river overflows its banks because of excessive rain or high tidal waves like tsunami. It also occurs when any river gets blocked due to landslides. Cyclones, followed by heavy rain, is also a potential reason behind floods.
Following are the effects of floods:
1) Erosion of fertile soil
2) Destruction of crops due to water logging
3) Large scale destruction of property
4) Increased chances of water borne diseases
5) Disruption of transport and communication facilities
6) Non-availability of essential food items