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AS and A Level: Hazardous Environments
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Chile?s earthquake was 8.8 in magnitude however the epicentre was 35 km deep. In contrast, Haiti?s magnitude was seven, but the epicentre was 13 km deep. There were only 400 people killed in Chile which can be considered very little compared to Haiti?s death toll of 230,000. Obviously, there are a lot of different variables that must be taken into consideration when regarding the death toll, but with Chilies earthquake being three hundred times stronger we must consider that the strength of the earthquake is not directly related to the impact. Geology is another physical variable which could be considered having an effect on the impact.
- Word count: 1516
Disasters on this scale occurred annually throughout the 1980s, and the potential for such disasters is increasing. Human activity is implicated in the rising number of hazardous events. For example, the disastrous floods and landslides of November 1991, though triggered by intense rainstorms (typhoons), have been blamed primarily on logging on hill slopes. Hazard 1: Earthquake: California haza1 012.jpg One of the hazard California suffers from is earthquakes. They suffer from this because California lies on a conservative plate boundary.
- Word count: 3190
The most devastating of these to humans was the ash cloud. This drifted hundreds of miles and ash fell on 11 states. It also destroyed miles of highway and 20 bridges resulting in damage worth more than $1 billion. This impact as not made worse by humans as no one could predict that the ash cloud would travel so far and affect such a large area. However this problem could have been limited if humans hadn?t built further from the volcano as nearby areas were more affected by the ash.
- Word count: 950