Implementation of mitigation measures

Submitted by Chris on Fri, 08/10/2012 - 15:16

Through which measures can cost benefits be gained? In that example benefits are gained through three different actions. First through the implementation of a risk management, second through a risk transfer to insurance companies and third to rehabilitation and compensatory component.

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Cost benefits through natural disaster mitigation?

Submitted by Chris on Fri, 08/10/2012 - 15:03

Chart shows the cost benefits through mitigation measures on the example of a landslide. It shows that only a certain effort in mitigation measures gain cost benefits. If to less measures are taken, the frequency and the impact of the events are still too high and a better optimum can be found. If too many measures are taken, the cost of mitigation and management will outnumber the gained benefits!

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World Risk Index 2011

Submitted by Chris on Fri, 08/10/2012 - 14:47

The actual risk for a country to suffer in a long term from a natural disaster depends on the actual exposure but also on the vulnerability of a society (how can they cope and adapt to the event). Central America as well as big parts of Africa and Asia are at high risk to suffer for a long term from natural disasters.

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A comparison of the impact of an earthquake Chile and Haiti

Submitted by Chris on Fri, 08/10/2012 - 14:43
Source
http://www.ehs.unu.edu/article/read/worldriskreport-2011

The chart compares 2 earthquakes and their different results for the countries. The number of deaths for Haiti is far higher (higher population density and a lesser standard of living, worse conditions after the event). However, the material loss for Chile was higher due to a bigger economy but the actual impact of the economy was far less due to a higher GDP, quicker response and better measures after the event. Different factors of a country decide about the long-term impact of a natural disaster .

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Geographic Area

Annual economic loss from natural disasters as a percentage of GDP

Submitted by Chris on Fri, 08/10/2012 - 14:34
Source

Maplecroft

The grafic shows the economic impacts for different countries. Even so that a lot of disasters hit the US the economic loss is insignificant. South Americas well as the Asian Regions, Africa and India are far more vulnerable for such events.

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The world’s costliest natural disasters in terms of economi losses since 1965

Submitted by Chris on Fri, 08/10/2012 - 14:30

Earthquake and Tsunami in Japan 2011 on the first place with a total damage of about 230 billion dollars. Equal cost damage of natural disaster have different impacts on economies depending on their economic power (GDP)!

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Natural Disasters frequency and costs from 1980 to 2010

Submitted by Chris on Fri, 08/10/2012 - 14:24
Source
https://www.newscientist.com/article/mg21328474.200-last-year-costliest-on-record-for-natural-disasters.html

The frequency and the costs of natural disaster, which are linked to the climate change are constantly increasing (storms, extreme temperature, droughts, floods...) . The global loss reached 375 billion dollars in 2011, which equals about 0.5% of the global world product.

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Billion dollar weather disasters 1980-2011 in the US

Submitted by Chris on Fri, 08/10/2012 - 14:12
Source
http://www.washingtonpost.com/blogs/capital-weather-gang/post/2011-ties-record-for-most-billion-dollar-weather-disasters/2011/07/26/gIQAvMd7aI_blog.html

As well as the number as the damage amounts increased in the last 30 year. Reaching a total damage of 200 billion dollars in 2011 (about 1.3% of the US gross domestic product)

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The largest Natural Catastrophes from 1970-2011 world wide

Submitted by Chris on Fri, 08/10/2012 - 14:08

Most of the shown natural disaster happened on islands, near the sea and at tectonic borders.  Overall loss ranges from 8 - 125 billion USD. Damage partly insured. Earthquakes, Tsunamis and Hurricane have the biggest potential to destroy facilities.

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