1. Article
#3
tsunami
warning
system
Speaking
and
Wri-ng
-‐3
Dr.
Roy
S1180042
Ryoko
Aoki
2. The
Indian
Ocean
• Killed
almost
230,000
people
• The
United
Na6ons
Intergovernmental
Oceanographic
Commission
created
a
tsunami
early
warning
system.
3. A
large
network
• In
place
across
the
Indian
Ocean
for
five
years
• Detect
poten6al
tsunamis
and
pass
on
warning
to
communi6es
• Seismographic
center,
na6onal
warning
center
and
so
on
is
in
place
across
the
Indian
Ocean.
4. When
an
earthquake
strikes
• The
data
is
transmiFed
to
PTWC
based
in
Hawaii
and
JMA
in
Tokyo.
• PTWC
stands
for
Pacific
Tsunami
Warning
Center.
• JMA
stands
for
Japan
Meteorological
Agency.
5. Work
of
JAM
and
PTWC
• Have
responsibility
for
providing
the
Indian
Ocean
with
what
are
known
as
tsunami
watches
• Receive
earthquake
informa6on
and
data
from
6dal
gauges
and
DART
sensors
or
buoys
• Receive
news
bulle6ns,
telegrams,
and
informa6on
over
the
telephone
• CTBO
contributes
data
from
seismographic
sta6ons
6. The
job
these
two
centres
• Locate
and
determine
the
size
of
earthquakes
• Determine
whether
they
have
the
poten6al
to
produce
tsunamis
• Predict
tsunami
wave
arrival
6mes
7. Warning
ways
-‐airwaves-‐
• Radio
• Television
• SMS
• Email
-‐manually-‐
• Bell
• Megaphone
• Loud-‐speaker
8. Conclusion
• The
en6re
world
cooperates
and
these
systems
are
done.
• We
are
defended
by
these
systems.
• A
more
exactly
predic6on
will
be
able
to
be
done
about
the
earthquake
informa6on
etc.
