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Last updated 6 years ago

Weather and Climate

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What is a Tsunami?A tsunami is like a tidal wave. The wavelenght of a tsunami wave is much longer than a normal tidal wave. Waves can be over 100 feet.

How is it created?A tsunami is a lot of waves created by a large amount of wind, water tides and displaced water from under water explosions.

When does it occur?Larger tsunami happen about 6 times per 100 years. They happen when there are earthquakes or major explosions under water also from landslides.

Where do Tsunamis happen?Tsunamis are most common in the Pacifc Ocean, Australia and Indonesia. These areas have a high number of earthquake zones.

How do you spot a Tsunami?WAVE SPEED - Normal is 4.8-60, Tsunami is 480-600 miles per hourWAVE PERIOD - Normal is 5-20 seconds, Tsunami is 10 minutes to 2 hoursWAVE LENGTH - Normal is 330-660 feet, Tsunami is 60-300 miles

How do Tsunamis effect people?Tsunamis can wipe out homes, stores, schools, roads and modes of transportation. People can be left homeless for many months or even worse be killed by the waves and water pressure from a tsunami.

How do Tsunames effect our physical environment?Tsunamis can drown forests and kill plants. Animals can be left without homes on land and in the ocean, plus the ocean can be poluted from the land where the tsunami came from.

Interesting Facts!- About 80% of tsunamis happen within the Pacific Ocean.- The Indian Ocean tsunami that hit Indonesia in 2004 killed over 200,000 people.- In 2011 the tsunami that hit Japan killed 15000 people.- Tsunami is a Japanese word that means 'harbor wave'.

This motorcycle was carried by ocean currents 5,000km after the tsunami in Japan to a beach on the coast B.C, Canada.


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