What is a Tsunami?T

When mass movement, such as earthquake or landslide, suddenly displaces a large amount of water from its equilibrium state a disastrous wave called a tsunamican form.

Tsunami literally translates from Japanese to “harbor wave” but are often call tidal waves because small, distant-source tsunamis resemble tidal surges.

ACTIVITY

IMPACT OF TUSNAMI

Humanitarian Impact：

Since many people hurt or die in there. also, the sea water made the infrastructure fell down, and shortages of food and drink water, Therefore, they needed a great deal of humanitarian aid.

Economic impact:The impact on coastal fishing communities and

fisher folk , has been devastating with high lossesof income earners as their boats and fishing gearIn Sri Lanka's coastal areas. But some economistsbelieve that damage to the affected countries'economies will be minor because losses in thetourism and fishing industries are a relativelysmall percentage of the GDP.

Environmental Impact： Tsunami Inundation, North of Phuket, Thailand ASTER Images and SRTM Elevation As many human lives destroyed by the tsunami. It has caused the environmental impact that will affect tin the following years. It has been reported that severe damage has been inflicted on ecosystems such as mangroves, coral reefs, forests, coastal wetlands, vegetation, sand dunes and rock formations, animal and plant biodiversity and groundwater.

Spiritual / psychological impact

Many health professionals and aid workers are reporting widespread psychological trauma associated with the tsunami, and many sightings of ghosts have been reported, particularly those of foreigners. Traditional beliefs in many of the affected regions state that a relative of the family must bury the body of the dead or the ghost will return.

IN YOUR OPINION WHAT PRECAUTIONS CAN BE TAKEN TO REDUCE THE IMPACT OF TSUNAMI

PRECAUTIONS

‧Evacuate people from the affected area and provide emergency aid such as supplying food,water,blanket, shelter and other basic necessities to victims.

‧Send rescue teams to search for survivors, especially in the rubble after an earthquake and give immediate medical services to the injured.

‧Carry out other relief work such as restoring communication and transport , putting out fire and providing medical services to prevent the spread of disease.

LONG TERM MEASURESSetting Earthquake prediction and warning system‧Improving modern technology and construction regulations‧Land use zoning‧Education and emergency plans