Seismicity case studies Flashcards
Haiti impacts?
1) cost $14 billion
2) 1 in three buildings pancaked
3) 200,000 dead
Haiti background?
1) 12th January 2010
2) mag 7
3) strike slip fault
4) focus was 13km down below puerto au prince
Haiti solutions?
1) reliefweb gave $2.5 billion
2) Australia acted quickly giving $26.2 bill and providing fresh water, food, shelter, and education and protection for 4,800 children
3) as a result, 10.5 million rebuilt there homes and could start their lives again
Japan background?
1) March 11th 2011
2) mag 9
3) rupture of 3km (sea bed moved up by 10m)
Japan impacts?
1) tilted the axis by 25cm now the days are slightly shorter because of this
2) 10,000 dead
3) 2X that missing
4) 1/3 buildings pancaked
Japan solutions?
1) buildings are guilty far better now with ductile braces and shock absorbers to absorb the quake (2X as flexible)
Christchurch background?
1) 21st feb 2011
2) mag 6.3
3) the focus was 5km down and the epicentre was 13km away from the CBD
4) pacific plate subducting below the Australian plate
Christchurch impacts?
1) 155 killed
2) cost £8 billion
3) interest rates were cut due to the damage and this resulted in a decline in the value of the US dollar
Christchurch solutions?
1) 120 people rescued
2) CERA set up for 5 years to over look the construction of the town (10,000 buildings had to be demolished and rebuilt)