christchurch earthquake feb 2011
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EARTHQUAKEChristchurchNew Zealand22nd February, 2011Mid day
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Whilst the earthquake on February 22nd. 2011 was not as powerful as the earthquake on Saturday 4th September, 2010. The damage and death wasmore extensive.
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The epicentre of the quake was much closer to the surface and to the City Centre. Around 5 kms below the surface and around 10 kms from the City Centre in February.
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Whilst the September earthquakes epicentre was around 40 kms from the city centre and 10 kms below the surface
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The increase in death was partially caused, due to the time of day and day of the week
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The September earthquake happened early on a Saturday morning before the stores had opened
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The February earthquake happened during the lunch period on a weekday, when offices and stores were open. Leading to many more people in the city centre.
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Office workers, shoppers and visitors rushed to assist those trapped and injured
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Another reason for the extensive damage is due to buildings that had been weakened By the earlier earthquake in September and subsequent aftershocks collapsed
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Liquefaction was also more of problem with the February earthquake
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The damage was not only confined to the City Centre, suburban areas and surroundingCountryside also felt the effects of the earthquake
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Christchurchs historic Cathedral, which has survived previous earthquakesSuccumbed to the February earthquake
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A number of people were injured in vehicles traveling through the city as the Earthquake struck
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