Saveena and brianna tsunamiPresentation Transcript
What is a tsunami? A tsunami is a series of huge waves that happen after a undersea disturbance, such as an earthquake or volcano eruption.
What Causes Tsunamis? Most destructive tsunamis are caused by earthquakes; other causes may be volcanic eruptions, landslides, and rarely even a comet hitting the sea.
How Do Tsunami's Form?
An underground earthquake, rock slide, or volcanic eruption can shift the water
Height increases as the Tsunami reaches closer to shore
How Often do they Occur? On average, two damaging tsunamis occur each year. The speed of a tsunami can go up to 600 mph, the average speed of a jet.
Where are Tsunamis Common? Hawaii is the riskiest state for tsunamis. States such as California, Washington, and Oregon are also affected by damaging tsunamis Internationally tsunamis are common around the Pacific Ocean and the Mediterranean Sea.
People Affected by Tsunamis
How is the economy affected? Tsunamis damage tourism. Also, people are faced with re-building, which is difficult because the people may not have enough money to do so.
How is the land affected? Debris Trash Waste Trees are uprooted Remains
Precautions Do not get fooled by the sizes of the waves, a tsunami can be more dangerous than you think. Each wave may get bigger. Once you see a tsunami it is too late to escape. A tsunami is a series of waves, not a single wave, so don’t doubt the dangers.
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