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  • 1. How the Tsunami warning system in Indian Ocean s1180028 Naohiro Nakamura
  • 2. Overview● Introduction● How the get tsunami early warnings 1● How the get tsunami early warnings 2● Heres how the system works 1● Heres how the system works 2● conclusion
  • 3. Introduction ● In 2004, A large earthquake generated tsunamis. ● It caused great damage to a wide range of coastal areas. ● India didnt have International Tsunami Warning System. ● This slide report about "How the Indian ocean tsunami warningsystem works"
  • 4. How the get tsunami early warnings 1India is damaged by the tsunami.There were no sea-level monitoring instruments ofPTWC in the Indian Ocean.PTWC(Pacific Tsunami Warning Center):・The composition of tsunami warning that operate inOahu Island, Hawaii.
  • 5. How the get tsunami early warnings 2 If Indian Ocean had sea-level monitoringinstruments. ↓ People could know generation of tsunami andescape disaster.For all of these reasons, countries of IndianOceans are going to disseminate sea-levelmonitoring instruments.
  • 6. Heres how the system works 1 ● An earthquake strikes in the Indian Ocean region ↓ ● Data from a variety of sources is transmitted to the PTWC ↓ ● Warnings to the population are delivered in a variety of ways (airwaves - radio, television, SMS, email -and manually, using bells, megaphonesor loud-speakers attached to mosques.)
  • 7. Heres how the system works 2● The behavior when earthquake struck is important● NGOs are educating people what to do when they hear a tsunami warning or when they feel or see signs of an earthquake or tsunami● These educations are very important.● If this systembecome widely used, many lives may be saved
  • 8. ConclusionPeople learn from the experiences in tsunamidamage, and promote improvement of theTsunami Warning System. In the future, Pacific Tsunami Warning Center(PTWC) become widely used and there is aconsiderable decrease in the tsunami victime.