Montserrat Volcanic Eruption 1997

Questão	Responda
Montserrat Eruption Background	Major eruption on June 25th, 1997. The Soufriere Hills had been dormant for over 500 years. Montserrat is an overseas Britsih territory which was an 'island paradise'. Around 12,000 people lived there in 1990s. An LEDC case study.
What type of boundary?	Destructive plate margin. As the more dense and oceanic Carribean crust is being pushed down as the more bouyant continental North-American plate is lifted over.
Causes	Small eruptions triggered many lava domes in the stratovolcano.
Primary Effects	2/3 of the whole Island (mainly southern) was covered in ash, tephra, and lava. 50% of the pop was evacuated to the safe North of Montserrat. 23 people died. Plymouth, the capital, became a ghost-town and the main airport was closed down.
Secondary Effects	Many residents had to endure harsh conditions in the North temporarily. Over half the population have left and not returned, which also has affected the delincing tourist industry.
Short-term Responses	Large-scale evacuation by British Navy and over £41 million aid given by the British.
Long-term Responses	The MVO (Montserrat Volcano Observatory) was set up to provide better and quicker warnings. An exclusion zone was made as the size of the existing dome had serious danger fo the extent of pyroclastic activity. New infrastructure including two schools and an airport were built to improve the North's services.

Resumo de Recurso

	Criado por Rachel Browne mais de 9 anos atrás