Tsunami Case Study

Causes

• Great Sumatra Andaman Earthquake 9.1 in the sunda trench on the SW coast of Indonesia
• Subduction zone - Indo Australian plate is subducting under the Burma Plate
• epi centre 160km of shore and focus is 30km below sea level
• fault stike slip fault occured for 15-20m along a 1600km fault line
• Veritcal mostion of the plate lifed the water displaced milions of tonnes of water creating waves 30m high

• deaths in 14 countries
• 300,000 killed
• 9,000 toursists
• Hit sumatra, Indonesia hit with 30m waves, then hit Thailand 45 mins later
• 2 milion homeless
• 60% of coatsal infastructure
• 150,000 had a disease due to contaiintad water
• soils turned saline
• mangroves destroyes
• tides surged in as far as Haiwaii
• £5 billion in damage

no warning system in the Indian ocean as surrounded by LDCSs

aid send by governments and NGO's was focused on preventing epidemics due to high population density

$7 billion aid - World Food programme £14 million

British public £330 million

Problems in distrubuting aid - £4 billion had not been delived to Sri Lanka

Ocean Tsumai system installed but would have not been of help to Sumatra due to the close promxity