2. What happened in Indian
• In the 2004 Indian Ocean tsunami killed
almost 230,000 people.
• Before 2004, many countries did not have
agencies responsible for tsunami warnings.
• Could not to receive messages from
international warning center.
3. The Indian Ocean gets warnings
• A large network of seismographic centers,
coastal and deep-ocean station is place across
the Indian Ocean.
• This things to detect potential tsunami and
pass on warnings to communities.
4. How system works
• When an earthquake happens in the Indian
Ocean, date from the tsunami is transmitted
to the Pacific Tsunami Warning center.
• The Pacific Tsunami Warning center based in
Hawaii and the Japan Meteorological Agency
in Tokyo.
5. What the center
• The center to provide that some countries are
able to share data which is about tsunami.
• In addition, the center to have a multi-hazard
early warning system.
• That will work alongside the national and
regional and also share information with
Hawaii and Japan ones.
6. How the centers work
• The job of these centers is to locate and
determine the size of earthquakes.
• They have the potential to produce that,
tsunami and predict tsunami’s arrival times
wherever possible.
7. How to do national agencies
• National agencies have also received their
own information that is from local or regional
seismic centers.
• Warnings are delivered in a variety ways. For
example, over the airwaves-radio, television,
SMS, e-mail and manually that using bells,
megaphones or loud speakers attached to
mosques.
