Magnitude 7, epicentre 10 miles from Port-au-Prince, shallow depth. Result from movement along faults. Stresses form due to the friction bet
MODIFYING EVENT – no hazard resistant design, poor building two plates and are suddenly released. When the rock breaks the fault m
quality so over 250000 buildings were destroyed, infrastructure shockwaves are released.
destroyed since it was so poor.
MODIFYING VULNERABILITY – not really able to predict due to the CASE STUDY: JAPAN 2011
fast pace of the P and S waves, there was no money for monitoring, The extent of the magnitude 9 earthquake was very minor, it was well
no warnings given as no time, no plan in place and since 100 UN prevented as the buildings were all built with strict building codes to prev
members died it lacked coordination. major collapse, people were educated to get underneath tables etc. How
MODIFYING THE LOSS – £11.5 billion in aid was flown in but since the secondary effect of the tsunami caused the most damages as the wav
many roads were destroyed/blocked it pile up at the airport, took larger than the 5 metre onshore wall. 20000 people died, there was a nu
days for food and water to arrive and there wasn’t enough to cope power leak (that area is still evacuated), lots of buildings were knocked d
with what was needed. Most properties were not insured. and the removal of debris was slow afterwards.
SOCIAL IMPACTS – 230000 died, 2 million homeless, 250000
buildings collapsed, airport damaged, shortage of medical EARTHQUAKES
supplies/trained professionals, cholera spread.
ECONOMIC IMPACTS - 2/3 people were unemployed and largest
Measured in magnitude, using richer scale or
source of income was from family members in other countries so it
can be measured using the Mercalli scale.
was very poor and lacked resources, $10 billion in losses and
damage.
POLICTICAL IMPACTS – weak government/ 100UN members died as
it was so close to the capital.
PHYSICAL IMPACTS - landslides, liquefaction so foundations
subsided, small tsunami.
RESPONSES – 1 in 17000 people were actually rescued, took 48
hours for aid to arrive, after 1 year 1.5 million people were still
homeless, crime increased in the city as there was a lack of policing,
rebuilding was hard due to the lack of money, recovery took a long
time. As Haiti is prone to hazards it hard for them to properly
recover as they keep on getting set back again.