natural disaster
Published on Nov 18, 2015
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PRESENTATION OUTLINE
Tsunamis
Madelyn Skinner, Reilly Delaney, and Nic Land
Tsunami Facts
- A Tsunami is a sudden displacement of water.
- Heights can reach over 100 ft
- Speeds about 600 mph
Most Common Places
80% of tsunamis happen in the Pacific Ocean's "Ring of Fire"
Tsunami Prevention
- No way to stop a tsunami once in motion
- Billions spent on building sea walls
- Not 100% safe
- Computer simulated tsunamis
Photo by WarzauWynn
Tsunami Detection
- Seisometer
- 1948- 75% false alarms
- Bottom sensors
- Cabled and satellite
Photo by Nataraj Metz
safety tips
- Have evacuation route
- Know warning signs
- Don't go back to coastal area until authorities say it's safe
2004 TSUNAMI of the indian ocean
- December 26, 2004
- 9.1 magnitude earthquake
- 50 meters tall
- most widely recorded
- energy of 23,000 atomic bombs
2004 tsunami
- seafloor shifted
- moved trillions of tons of rocks
- 18 countries
- traveled 375 miles in 75 minutes
- moved at 300 mph
2004 tsunami
- no tsunami warnings
- animals ran for high ground before
- few animal bodies found
- $10 billion of damage
- 230,000 reported dead
2004 tsunami
- 500,000 injuries
- 5 million lost homes
- Indonesia: 167,736 deaths and 37,063 missing
2004 tsunami
levels of tsunami intensity
- level 1- not felt
- level 2- scarcely felt
- level 3- weak
- level 4- largely observed
- level 5- strong
levels
- level 6- slightly damaging
- level 7- damaging
- level 8- heavily damaging
- level 9- destructive
- level 10- very destructive
levels
- level 11- devastating
- level 12- completely devastating
"Tsunami 2004 Facts and Figures." Tsunami 2004. Www.tsunami2004.net, 21 May 2013. Web. 12 May 2014.
Townsend, John. "11 Facts about the 2004 Indian Ocean Tsunami." DoSomething.org. Raintree, 2012. Web. 11 May 2014.
