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how tsunami warning system
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S1180042 Ryoko Aoki�
* There was no sea-‐level monitoring instruments in the Indian Ocean in 2004.
* Many countries did not have agencies responsible for
tsunami warnings or points of contact to receive messages from international warning centers.
* The United Nations Intergovernmental Oceanographic
Commission began to create an Ocean tsunami early warning system after the 2004 Indian Ocean tsunami.
In 2004 a tsunami in the Indian Ocean�
* When an earthquake strikes in the Indian Ocean region, data is transmitted to the Pacific Tsunami Warning Centre (PTWC) and Japan Meteorological Agency (JAM).
* They have responsibility for providing the Indian Ocean with what are known as tsunami watches.�
Work of JAM and PTWC �
* ADCP is a private international disaster prevention center
founded in Bangkok in 1986.
* ADCP are on track to become regional watch providers.
* The ADPC has been coordinating to have a multi-‐hazard early warning system (RIMES).
* RIMES will work alongside the national and regional watch providers and will also share information with Hawaii and Japan.
Works of ADPC �
* They receive earthquake information and data from tidal gauges and Deep-‐ocean Assessment and Reporting of Tsunamis (DART) sensors or buoys. * They receive news bulletins, telegrams, and information over the
telephone. * The commission for the Nuclear-‐Test Ban Treaty Organization
(CTBTO) provide data from seismographic stations. * The job of these two centres is to locate and determine the size
of earthquakes. * The possibility that the earthquake causes the tsunami decides of
how. * The attainment time of the tsunami is forecast.
Primary responsibility of Hawaii and Japan �
* It is the responsibility of each national agency to alert its people.
* 26 out of 28 Indian Ocean countries have focal points to receive tsunami bulletins, according to UNESCO.
When the two centres issue watches to national bodies in Indian Ocean�
* Radio, television, SMS, e-‐mail, bell megaphone, and loudspeaker are used as a transmission ways.
* In the some countries, well-‐rehearsed drills is done.
Warnings ways to the population�
* Warning is confused by the difference of the language.
* In the place where the infrastructure is poor, it is difficult to transmit.
* The Tsunami Warning System will keep upgrading to defend our body in the future, and working.