Natural Hazards and Disasters

A hazard is a,

• An event that seriously disrupt the functioning of a commiunity or society and causes human, material and economic or environmental causes

• Any source of potential damage, harm or adverse health effects on something or someone

A long, high sea wave caused by an earthquake or other disturbance is called,

• Cyclone

• Tsunami

• Earthquake

• Earthslips

A prolonged period of abnormal rainfall leading to a shortage of water is called ,

• Drought

• Earthslip

• Earthquake

• Tsunami

A large, destructive fire that spread over a forest or area of woodland,

• Thunderbolt

• Forest Fire

• Earthquake

• Lightning

A collapse of a mass of earth from a mountain or cliff,

• Earthquake

• Thunderbolt

• Earthslips

• Flood

A reason for droughts,

• Clearing of forests in hilly areas

• Sand mining in river valleys

• Reclamation of low lands

• Increase of global warming

Existence of weathered rock layers is a natural cause for ,

• Droughts

• Flood

• Earthslips

• Thunderbolt

A district subject to cyclones in sri lanka frequently ,

• Jaffna

• Matale

• Hambantota

• Monaragala

Thunder and lightning occurs during the months of ,

• March - April

• April - August

• May - September

• November - December

A system of wind rotating inwards to an area of low pressure with an anticlockwise of clockwise circulation is called ,

• Earthquake

• Tsunami

• Cyclone

• Lightning