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warning system

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  • 1. Article  #3  tsunami  warning  system Speaking  and  Wri-ng  -­‐3   Dr.  Roy   S1180042  Ryoko  Aoki
  • 2. The  Indian  Ocean •  Killed  almost  230,000  people  •  The  United  Na6ons  Intergovernmental   Oceanographic  Commission  created  a  tsunami   early  warning  system.
  • 3. A  large  network •  In  place  across  the  Indian  Ocean    for  five  years  •  Detect  poten6al  tsunamis  and  pass  on  warning   to  communi6es  •  Seismographic  center,    na6onal  warning  center   and  so  on  is  in  place  across  the  Indian  Ocean.  
  • 4. When  an  earthquake  strikes •  The  data  is  transmiFed  to  PTWC  based  in  Hawaii   and  JMA  in  Tokyo.  •  PTWC  stands  for  Pacific  Tsunami  Warning   Center.  •  JMA  stands  for  Japan  Meteorological  Agency.  
  • 5. Work  of    JAM  and  PTWC •  Have  responsibility  for  providing  the  Indian  Ocean   with  what  are  known  as  tsunami  watches  •  Receive  earthquake  informa6on  and  data  from  6dal   gauges  and  DART  sensors  or  buoys  •  Receive  news  bulle6ns,  telegrams,  and  informa6on   over  the  telephone  •  CTBO  contributes  data  from  seismographic  sta6ons  
  • 6. The  job  these  two  centres •  Locate  and  determine  the  size  of  earthquakes  •  Determine  whether  they  have  the  poten6al  to   produce  tsunamis  •  Predict  tsunami  wave  arrival  6mes  
  • 7. Warning  ways -­‐airwaves-­‐  •  Radio  •  Television  •  SMS  •  Email  -­‐manually-­‐  •  Bell  •  Megaphone  •  Loud-­‐speaker  
  • 8. Conclusion •  The  en6re  world  cooperates  and  these  systems   are  done.  •  We  are  defended  by  these  systems.  •  A  more  exactly  predic6on  will  be  able  to  be  done   about  the  earthquake  informa6on  etc.