§ Japan has many earthquakes in the past and the future.
§ They have earthquake signal in every places, such as
school, offices and hospital.
§ There are substantial sea walls to defend against
tsunami.
§ The coastline is particularly vulnerable to tsunami
waves, because it has many deep bays that amplify the waves and cause the land
to be inundated by the sea.
§ On 11 March 2011, a magnitude 9.0 earthquake occurred
off the north-east of the main island, Honshu.
§ It happened because Pacific and Eurasian Plate collide.
§ They are moving towards each other at 83 millimetre/year.
§ The epicentre was beneath the Pacific Ocean, 129 kilometre east of the port of Sendai and 373 kilometre north of the Tokyo.
§ The depth of the focus was 32 kilometre.
Effects:
§ The tsunami was up to 10 meter high.
§ The death toll was 12000 and 15500 people were missing.
§ 215000 people had fled their homes.
§ Whole village washed away.
§ A muddy torrent of water swept cars.
§ Residential areas and paddy fields into a lagoon of
debris-filled seawater.
§ The train could not trace along the North-eastern
coast.
§ The Fukushima nuclear power station suffered a partial
meltdown, with leaks of radioactive material into the environment.
§ 4 million homes and around Tokyo suffered power cuts.
Responses:
§ Rescue team from Australia, South Korea, New Zealand
and Singapore.
§ An American aircraft carrier was already in Japan.
§ The country’s military mobilised thousands of troops,
300 planes and 40 ships for the relief effort.
§ A huge relief mission swung into action in
North-eastern of Japan .
0 Comments