By By KanmaniKanmani

Natural DisastersNatural DisastersTsunamiTsunamiEarthquakeEarthquakeTornadosTornadosStormsStormsLandslides Landslides Volcano EruptionsVolcano EruptionsHurricane Hurricane

WHAT IS TSUNAMI?WHAT IS TSUNAMI?Generated by an Generated by an undersea geologic undersea geologic event, such as a great event, such as a great earthquake, volcanic earthquake, volcanic explosion, or explosion, or underwater landslideunderwater landslideIn Japanese “Tsunami” In Japanese “Tsunami” means “Harbor Wave” means “Harbor Wave” Also called “Also called “Seismic Seismic Sea Wave”Sea Wave”Tsunamis are Tsunamis are notnot “tidal waves”“tidal waves”

HOW TSUNAMIS ARE MADE?HOW TSUNAMIS ARE MADE? Tsunami is made by Tsunami is made by

a series of waves, a series of waves, produced by : produced by : Earthquakes Earthquakes Volcanic eruptionsVolcanic eruptionsMeteorite impactMeteorite impactLandslides - mostly Landslides - mostly undersea. undersea.

WHERE DO TSUNAMIS WHERE DO TSUNAMIS OCCUR?OCCUR?

Tsunamis usually occur Tsunamis usually occur in the tropical islands. in the tropical islands.

Mostly Tsunamis occur Mostly Tsunamis occur in the Pacific Ocean as in the Pacific Ocean as it is located on a plate it is located on a plate mostly made of water. mostly made of water. The Pacific Ocean is The Pacific Ocean is also surrounded by also surrounded by the the Ring of FireRing of Fire,, a a highly active volcano highly active volcano and earthquake zone and earthquake zone

WHAT ARE THE MAIN WHAT ARE THE MAIN FEATURES OF TSUNAMI?FEATURES OF TSUNAMI?A giant underwater A giant underwater

earthquake earthquake Huge wavesHuge wavesFlooding Flooding Major destruction. Major destruction.

HOW CAN YOU PROTECT HOW CAN YOU PROTECT YOURSELF FROM TSUNAMI?YOURSELF FROM TSUNAMI?We cant always protect We cant always protect

ourselves from ourselves from Tsunami but we can Tsunami but we can take precautions like take precautions like

By building a high By building a high wall in the coast wall in the coast where Tsunami where Tsunami occurs quite oftenoccurs quite often

During Tsunami - by During Tsunami - by moving to the moving to the highest area or highest area or buildingbuilding

How can we predict How can we predict Tsunami?Tsunami? Tsunami Warning Tsunami Warning

System (TWS) are System (TWS) are used to predict used to predict Tsunami.Tsunami.

Also we use Also we use Seismograph – used Seismograph – used to predict to predict earthquake , can also earthquake , can also be used to predict be used to predict Tsunami. Tsunami.

Before And After Tsunami AttackBefore And After Tsunami Attack (Banda Aceh, Sumatra, Indonesia)(Banda Aceh, Sumatra, Indonesia)

2004 –Boxing Day Tsunami At a 2004 –Boxing Day Tsunami At a GlanceGlance Deaths: >210,000Deaths: >210,000

Indonesia: 166,000Indonesia: 166,000 Thailand: 5,000Thailand: 5,000 Sri Lanka: 30,000Sri Lanka: 30,000 India: 10,000India: 10,000

Damage: >$7 billionDamage: >$7 billion Indonesia: $4.4 billionIndonesia: $4.4 billion India: $1.5 billionIndia: $1.5 billion Sri Lanka: $900 millionSri Lanka: $900 million

Aid Donations: >$6.5 Aid Donations: >$6.5 billionbillion Government pledges: Government pledges:

$5.3 billion$5.3 billion Private donors: $1–2 Private donors: $1–2

billionbillion

THANK YOUTHANK YOU-A PRESENTATION BY KANMANI-A PRESENTATION BY KANMANI