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
● Here's how the system works 1
● Here's 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 didn't have International Tsunami
Warning System.
● This slide report about
"How the Indian ocean tsunami warning
system works"

4. How the get tsunami early warnings 1
India is damaged by the tsunami.
There were no sea-level monitoring instruments of
PTWC in the Indian Ocean.
PTWC(Pacific Tsunami Warning Center):
・The composition of tsunami warning that operate in
Oahu Island, Hawaii.

5. How the get tsunami early warnings 2
If Indian Ocean had sea-level monitoring
instruments.
↓
People could know generation of tsunami and
escape disaster.
For all of these reasons, countries of Indian
Oceans are going to disseminate sea-level
monitoring instruments.

6. Here's 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, megaphones
or loud-speakers attached to mosques.)

7. Here's 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. Conclusion
People learn from the experiences in tsunami
damage, and promote improvement of the
Tsunami Warning System.
In the future, Pacific Tsunami Warning Center
(PTWC) become widely used and there is a
considerable decrease in the tsunami victime.