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GradeAssignment6B

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  • 1. Tsunami warning system in the Indian Ocean● Old Tsunami Warning System● About effects of the Indian Ocean Tsunami● Two Major Tsunami Warning Center And Their Jobs 1● Two Major Tsunami Warning Center And Their Jobs 2● About Pacific Tsunami Warning Center In Detail● The Ways of Alerting The Region● References
  • 2. Old Tsunami Warning System● The organizations such as PWTC, JMA have already existed.● But there was not organizations responsible for tsunami warning system.● And the instruments for monitoring the sea- level were not arranged enough.● And the counties didnt communicate and exchange information fully.● Therefor, serious accident like India Ocean tsunami happened.
  • 3. About effects of the Indian Ocean Tsunami● This tsunami happened in 2004 and killed about 230,000 people.● For this reason, PWTC put the more sea-level monitoring instruments .● There are the better each other countries communication and sharing the information.● This becomes a large network of tsunami warning system.
  • 4. Two Major Tsunami Warning Center And Their Jobs 1● There are two major tsunami warning center. One is PWTC introduced previous slide. Another is Japan Meteorological Agency(JMA).● They have two major jobs.● One is to determine the size of earthquakes.● Two is to predict how long tsunami strikes the regions.● It takes about 20 minutes to analyze the earthquake.
  • 5. Two Major Tsunami Warning Center And Their Jobs 2● And they receive the information of earthquake. There is a great communication network.● Many countries have the facilities of earthquake. They send the seismic information they take to PWT and JMA. Finally, This information is sent and received around the world.
  • 6. About Pacific Tsunami Warning Center In Detail● It is alerting countries to come the tsunami.● Using the instruments , it can predict whether tsunami happens or not.● It has been alerting for over 40 years.● The picture is how PWTC warns the tsunami.
  • 7. The Ways of Alerting The Region● The information is sent and exchanged by various ways.● Indirectly, Warning of tsunami is sent out through a radio, TV and Internet.● Directly, we use a bell, amplification equipment in the region which has possible of striking tsunami
  • 8. References● Pacific Tsunami Warning Centers Web-site http://ptwc.wether.gov/● Japan Meteorological Agency http://www.jma.go.jp/jma/index.html● http://www.jma.go.jp/jma/index.html

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