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Tohoku earthquake and tsunami 2011 (General impacts of earthquake (caused…
Tohoku earthquake and tsunami 2011
power of earthquake
9 magnitude
biggest earthquake
recorded in
Japan
General impacts of earthquake
moved the entire island of
Honshu 2.4 metres closer
to
North America
shifted earths axis at least 10cm
made earth days shorter by 1.8 microseconds
calved 125 square kilometres of iceburg from the Antartic coast
caused
visible waves
in
Norweigan fiords
caused
ten tsunami
waves 1km apart
at shallower coastal waters rose to 10m
10km flooding surge
inland
When
Tsunami
first tidal wave hit north-east Japanese coast
30mins after earthquake
Earthquake
Friday **
11th march 2011**
2.6 pm Tokyo time
Where
Earthquake
occurred
under pacific ocean
:100km east of Sendai on Northern Honshu's eastern coast
cause of earthquake
400-500km segment of North American Plate dragged down by sub-ducting Pacific plate, suddenly slipped up between 5-10m
sea water displacement
tsunami spread in all directions 100's of km/hour
Primary impacts
earthquake
ground shaking ->
buildings collapsed
or on
fire
b/c of
broken gas pipes
Skyscrapers**
shook violently
in
Tokyo
but
earthquake resitant design limited damage**
Tsunami
swept inland mainly along northeast coast,
devestation
to everything in its path e.g
boats, vehicles
and
trees
flooded
almost
500km square area
Rikuzentakata almost completely submerged and almost colossally destroyed
both
over
1800 people dead
or
missing
, (mainly from tsunami) but Japans tsunami warning system saved many lives
Secondary impacts
1/2 mill homeless
for weeks,
150,000 people
lived in
temporary shelters
over 1 mill homes
with
running water
6 mill homes
left
without electricity
shortages:
food, water, petrol
and
medical supplies
more than
700 after shocks
creating more havoc and further damage in two weeks after main earthquake
Explosions and leaks @ Fukishima nuclear plant, only days after earthquake
earthquake cut
of the
power supply
to
cooling system
tsunami destroyed backup generators
workers struggled to prevent meltdown
fears of nuclear disaster caused panic across global stock markets
short term management
Japanese Goverment
sent in
Self-Defence Forces
(domestic response) and other specially trained people to aid
Japanese Gov
and
NGO's sent aid
in form of
foodwater, shelter, medicine
and
fuel
for the
340,000
+ displaced survivors
Many countries e.g UK sent
search
and
rescue teams
to help
NGO's helped e.g
Japanese Red Cross
got
$1 bill donation
JMA and goverment was good at monitoring and getting warning to people
saved lives
Long term management
116 countries
and 28 international organizations offered assistance
Japan specifically requested assistance from organisations in New Zealand, Australia, South Korea and United states
Helping revitalize
the
local fishing industry
Providing relief supplies
and
child-focused
support
**to
families
who
evacuated **from Fukushima prefecture
Installing boreholes, emergency water storage
, and
solar panels
for
emergency power
in future disasters
restoration of services, roads, reconstruction
and
mitigation
(more earthquake resistant buildings)