1. How the Indian Ocean tsunami
warning system works?
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2. How the Indian Ocean tsunami
warning system works?
●What is May 2004 Northern Sumatra
earthquake?
● What is Indian Ocean tsunami?
●How the Indian Ocean tsunami warning
system works?

3. What is May 2004 Northern Sumatra
earthquake?
In 2004, there was big earthquake in
Indonesia. Magnitude of this earth-
quake was 9.1. This earthquake raise
some tsunami. About 220 thousand
people are died or go missing by this
disaster.

4. What is Indian Ocean tsunami?
About 20 tsunami rushed at Indian
Ocean coast. These average height
were 20 meters. These tsunami rushed
about 700km per hour. It's speed was
same as jet plane.

5. Picture of Indian Ocean tsunami.
This picture is a
town near the coast
of Sumatra. There
were submerged by
tsunami.

6. How the Indian Ocean tsunami
warning system organized?
There were not work of tsunami
warning system in Sumatra earthquake.
So, United Nations organized tsunami
warning system in the Indian Ocean. It
is organized by some technology of
community of nations.

7. How tsunami warning system in
Indian Ocean works?
When an earthquake happen, some
information send to tsunami warning
system in Indian Ocean from meteo-
rological bureau of Hawaii and To-
kyo. Those information is when tsu-
nami will come to coast of Indian.

8. Conclusion
There are proper tsunami warning
system in the Indian ocean. It can
save a lot of lives in Indian. But, there
are still not tsunami warning system
in some place. So we must organize
tsunami warning system where are
not it to save more lives in the world.

9. Reference work
http://www.trust.org/alertnet/news/how-the-indian-ocean-ts
http://en.wikipedia.org/wiki/2004_Indian_Ocean_earthquak
http://www.bousaihaku.com/cgi-bin/hp/index2.cgi?ac1=B4