TSUNAMI

WHAT IS A TSUNAMI

• A tsunami is a huge powerful and often destructive.
• The wave usually begins as barely a ripple out in deep ocean water.
• The name tsunami comes from the Japanese for harbour wave.
• It was first used by fisherman who reterned to shore to find there harbour which they have not seen out at sea.

HOW DO TSUNAMIS HAPPEN

• Tsunamis happen when earthquakes, landslides or volcanic irruptions disturb the ocean floor.
• Tsunamis grow as they reach the shore and enter shallow water.
• The to of the waves moves faster than the bottom, causing the wave to rise quickly.
• The lowest point reaches the shore first and sucks coastal water.
• The rest of the tsunami usually hits shore five minutes later!

WHERE DO TSUNAMI HAPPEN

• Four out of every five tsunamis happen in the pacific ocean.
• Remaining fifth occur anywhere where earthquakes or landslides trigger a large displacement (movement) of water .
• In the past tsunamis have battered place such as coastal regions of Canada, at the edge of the Atlantic Ocean, and Turkey and Greece by the Mediterranean Sea.

WHY TSUNAMI HAPPEN

• Tsunamis happen by the force of the energy.
• It happens when you scream a lot by the edge of a frozen waterfall.
• Tsunamis can happen anywhere and a lot of people are not ready for it.

WHEN DO TSUNAMIS FORM

• A tsunami is formed when an under water earthquakes that occur along fault zones underwater.
• These water leaves can rise rapidly and can be incredibly deadly.

WHO IS AFFECTED BY A TSUNAMI

• One of the biggest and the worst effects of a tsunami is the east to human life because escaping a tsunami is nearly impossible, thousands of people couldn't survive a tsunami.
• Since 1850 a tsunamis has been responsible for about 430,000 lives

7 WORST TSUNAMIS

• Indian Oscan tsunami
• Messina ,Italy earthquake and tsunami
• Portugal Morocco tsunami
• Tsunami in south China
• Krakatoa Indonesia tsunami
• Tokaido nankaido Japan tsunami
• Sanriku Japan tsunami

REFERENCES

• Reference.com
• Tsunami book