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.
May 19, 2015
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 TsunamisDisaster Date Affected (no. of
people)
Sri Lanka 2004 1,019,306
India 2004 654,512
Indonesia 2004 532,898
Somalia 2004 105,083
Thailand 2004 67,007
Indonesia 2006 35,543
Maldives 2004 27,214
Myanmar 2004 15,700
Papua New Guinea
1998 9,867
Malaysia 2004 5,063
Disaster Date Killed (no. of people)
Indonesia 2004 165,708
Sri Lanka 2004 35,399
India 2004 16,389Thailand 2004 8,345
Papua New Guinea
1998 2,182
Indonesia 2006 802
Somalia 2004 298
Maldives 2004 102
Vanuatu 1997 100
Malaysia 2004 80
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?
DebrisTrashWasteTrees are uprootedRemains
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.
Bibiliography• "Disaster Statistics - Tsunami - Hazards -
PreventionWeb.net." PreventionWeb.net Homepage - Serving the Information Needs of the Disaster Reduction Community. 2010. Web. 16 Oct. 2010. <http://www.preventionweb.net/english/hazards/statistics/?hid=71>.
• "FEMA For Kids: Things To Know: Tsunamis." FEMA | Federal Emergency Management Agency. FEMA, 11 Aug. 2010. Web. 16 Oct. 2010. <http://www.fema.gov/kids/knw_tsu.htm>.
• Rickrideshorses. "What Causes a Tsunami?" HubPages. 14 Oct. 2010. Web. 16 Oct. 2010. <http://hubpages.com/hub/What-causes-a-Tsunami>.
• Team, BBC. "CBBC Newsround/ Pictures." CBBC Newsround/ Pictures. CBBC Newsround, 2005. Web. 21 Oct. 2010. <http://news.bbc.co.uk/cbbcnews/hi/ newsid_4500000/newsid_4504100/4504114.stm>.