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16 October 2014
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Volcanoes - Cause
The Eruption
The eruption of the Soufrière Hills Volcano began on 18 July 1995. Nearly a year later, the volcano forced the islanders to evacuate the capital, Plymouth, situated only 4 km from the volcano. The government set up a risk map to ensure people were a safe distance away from the dangerous pyroclastic flows that had so far destroyed areas to the south and east of the volcano. Initially, the zones were given a letter code. Moving from zones G to A represents an increased risk. The status of each zone was dependent on volcanic activity at that time. Unfortunately this did not prevent disaster on 25 June 1997.
Map of Montserrat showing risk zones
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