Year 13 blogwithinablog

 Welcome to Y13 blogwithinablog a micropage to share and showcase your work

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enjoy x
first up! Ant and Luk

2010 Japan Tsunami

Environmental

.Eurasian plate shifted 2.4m eastwards and raised 9m

.V shaped valleys funnelled tsunami floods and inundated agricultural land

. Nuclear reactors at Fukushima shut down automatically but the cooling systems were damaged which led to a dangerous environmental disaster with increased radiation levels creating mass evacuations (200,000)

. Tsunami washes cars and vehicles out to sea causing a release of chemicals, such as petrol and diesel.

Economical

.4 commuter trains and a ship carrying 100 passengers were lost, damaged infrastructure and loss of jobs

. Insurance bill expected to reach $22 billion dollars

.Share prices fell causing Japans influence on the global market to be hindered

.4.4 million buildings without electricity caused losses in profits due to communication problems and closures

Social

-Death toll around 25,000

-13, 000 people reported as missing

-350, 000 people still sheltering in public buildings and evacuation centres weeks                                                                                after the earthquake and tsunami

-45, 000 buildings destroyed and 1.5 million households without water supply

-Many towns and cities along the 1300miles coastline were partially submerged

-Heating was affected as well as dampness amplifying the -4 degree temperatures and 11 elderly people died

- On going nuclear crisis limited humanitarian aid as many agencies are not prepared to enter the area.

Well done ! Some really concise statistics which can be applied to support answers !

Issy Sammy and Mel

Japan Earthquake

Nature of the earthquake:

·       Occurred on Wednesday 9^th March 2011, 2:46pm.

·       7.2 on the Richter scale.

·       Japan is located on the eastern edge of the Eurasian plate, which is adjacent to the pacific plate and is moving westwards towards the Eurasian plate.

·       The pacific plate dips beneath japan (the rate of movement is 7.6 - 10.2cm per year).

·       As the pacific plate is pushed under Japan, the build-up of pressure along the plate margin led directly to a 480km stretch of the pacific plate breaking free and surging beneath japan. At the same time the Eurasian plate, which japan is situated on, shifted 2.4m eastwards and lifted upwards by 9m.

·       Pacific plate rams into japan 8cm per year.

·       Plates collided 6km below water, triggering earthquake 100km from the coast. (Tsunami – 1m high and 100km long).

·       Shockwaves and P waves travelled at 6km per second.

·       The earthquake originated in Sendai.

·       S waves reached Tokyo, earthquake lasted 5 minutes.

·       Earthquake was regraded at magnitude 9. 

great stats  - thanks

Japan Earthquake and Tsunami (2011): Management

·       Japan has the ‘most advanced’ earthquake warning system in the world – warnings sent out before the earthquake to offices, factories, schools, etc.

·       Within 10 seconds of the earthquake, the Pacific Tsunami Warning Centre was monitoring the earthquake and tsunami and was trying to work out where the wave would go.

·       The centre issued an evacuation and warnings for Japan.

·       Tsunami warnings take longer than earthquake warnings and some regions didn’t have a lot of time for efficient evacuation.

·       The tsunami actually hit about 8 minutes after the earthquake.

·       Japan should have been prepared against the tsunami – there was a 10m high sea wall after tsunamis 50 years ago and regular tsunami drills.

·       The coastline had lowered about 1m after the earthquake so the sea walls weren’t high enough to protect against the 10-15m high wave.

·       There was also a 5m high defence wall at Fukushima (which had been closed after the earthquake and was being cooled down) but this wall had sunk with the coastline and the tsunami wave flooded the cooling device.

·       Japan’s warning systems, strict building and design codes and regular earthquake drills did save a lot of lives.

·       Temporary shelters were constructed in Sendai, yet they became full quickly.

·       Japan has new incentives to make buildings and designs stronger to withstand earthquakes and prepare against future natural disasters.

Thanks Maria - 

Should 8 minutes be enough to evacuate everyone ?

thanks for your fabulous work Lucy - sorry I can't upload :(

The Japan Tsunami Impacts - 11th March 2011

Direct Effects

The sudden displacement of the seafloor due to the Japan earthquake caused the tsunami to descend onto the eastern coast of Japan moving it 3 metres into the sea. The movement of the plate caused the tsunami to wash over Miyako’s protection of a 10 metre seawall. The tsunami caused terrible destruction, it wiped out entire towns, ripped away infrastructure including Sendai’s airport and flooded rivers, there was also damage to the nuclear power plant at Fukushima. The death toll was estimated at 25,000 though it is unsure how many of these deaths were from the earthquake and how many were caused by the tsunami.

Indirect Effects

Due to the destruction of houses and infrastructure many people were made homeless caused to sleep in temporary shelters which were soon full, the extent of the damage had an impact on the economy as rebuilding needed to occur. There were also psychological effects to the people as they lost their homes and their belongings as well as losing a friend, family member or neighbour. The damage to the Fukushima power plant caused a threat of a nuclear disaster and over 200,000 people had to be evacuated. Fires also raged hundreds of square kilometres as the gas pipes burst causing further destruction of infrastructure. Crops were destroyed and fish stocks decreased which caused limited food and income for the farmers living in rural Japan.

The Japan Tsunami impacts-11^th march 2011

Social:

·      164,059 households in the north were without electricity

·      170,000 households in eight prefectures were without running water

·      46,027 buildings have been destroyed, washed away or burnt down

·      Fukushima Power plant released radioactive substances which contaminated water supplies and the food chain which in turn caused an increase in food prices due to the scarcity.

·      A dam in north east of Fukushima burst its banks flooding many homes

·      Impact on oil supplies as refineries were ablaze

·      In Miyagi, 200-300 bodies found alone in the city

·      Death toll of 28,000

·      Freezing temperatures hit survivors of the tsunami who were living in shelters, as a cold front fell over northern japan.

Economic:

·      Economic damage: $250 billion to $309 billion

·      Many people lost jobs as infrastructure to support this were lost.

·      There was a loss of £90 billion on the Japanese stock exchange the day after the disaster

·      The infrastructure of well-developed business areas was destroyed.

Environmental:

·      Damage to underground gas pipelines led to fires and ignited floating wood

·      Fertile agricultural land was destroyed as the tsunami was funnelled by ‘V’ shaped valleys which accentuated the height and reflection of the tsunami.

·      Many farm animals in highlands were drowned by flooding

·      Radioactive decay and toxic chemicals were released into the atmosphere, sea and into fertile soil which killed livestock and depleted fish stocks out at sea. 

thanks emma and laura - great teamwork - can you classify into short and long term effects ?