With reference to two volcanic events that you have studied from contrasting areas of the world, compare the nature of the volcanic hazard and its impact.

975 WordsOct 17, 20134 Pages
With reference to two volcanic events that you have studied from contrasting areas of the world, compare the nature of the volcanic hazard and its impact. Mount St Helens erupted on the 18th May 1980 at 9am and is an active strata volcano Washington State USA, a MEDC. Where as on 18th July 1995, during the daytime, Montserrat, a LEDC during the day, Montserrat's Soufrière Hills composite volcano of a height 1050m, meaning sulphur hills, dormant for centuries, erupted and produced a phreatic eruption. The volcano is a strata volcano also. Mount St. Helens is a composite volcano which lies near to a destructive plate boundary where the small Juan de Fuca Plate is being subducted underneath the North American Plate where as the eruption…show more content…
Consequently, it would have led to contamination of the water and the spread of disease. 230 square miles of forest burned and got destroyed. This would have a great effect on the logging industry because there would not be as many trees for them to cut down. In addition to this it would have a great effect on wildlife as 1000s of animals' homes would have been destroyed. It destroyed or extensively damaged over 200 homes, destroyed/ damaged 185 miles (300 km) of road and destroyed/ damaged 15 miles of railways. Airports closed (from 2days → 2 weeks). Over a thousand commercial flights were cancelled following airport closures. Lastly, unemployment rose rapidly after eruption. Montserrat could not afford for the clear up process and most of its economy was lost due to damage of the capital city where the majority of the income is found, America’s economy took a huge blow due to the fact it spent millions on the clear up process. The total economic cost for the US was $1.1 billion. Both countries environment took a huge blow. Effects on the Landscape due to Mt St Helens include 400 metres was blown off the top of the mountain and a one mile horse shoe-shaped crater was left that was 500m deep. Every plant and animal within 25km north of the volcano was killed – approximately 7000 animals died. Every tree within 30km of the volcano was flattened. The water produced from melting ice and snow on top of the volcano creates

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