LEDC EARTHQUAKE FACTOID CARD - Monsterrat 1995 - 1
Volcano eruptions, in Monsterrat which is part of an island arc created by volcano eruptions in the Caribbean it is a UK colony. There were many eruptions from July 1995 - 1999.
North and South American plate are being subducted under the Caribbean plate. Destructive margin.
- Evacuated people to the north of the island in August 1995
- Had to live in churches/halls -sharing toilets- poor conditions
- Evacuated capital - Plymouth in April 1996
- South covered in Pyroclastic flow in June 1997
- 19 people died as they decided to stay in the south
- 2/3 of homes and 3/4 of infrustructure were destroyed
- 1/2 the population left for Antigua, USA and UK
- No tourists (use to be 2000 a year)
- Scientists monitored, set up warning systems such as radio, loud hailer and sirens.
- In January 1995 population was 11000 it decreased to 3500 in 1997
- Evacuated by boats paid by UK and USA government, British Navy and personal boats.
- USA sent troops
- Charities sent emergency food for farm animals.
- In 2005 the south remains out of bounds to people other than scientists.
- People moved back, population in 2005 was 8000
- Red Cross built elderly a home
- UK funded 3year redevelopment for infrustructure
- People offered mortgages
- Population imbalance
- Vegetation begun to regrow
- Soil will eventually become more fertile as ash and lava breakdown
- Tourists may come back with volcano as an attraction
- UK government sent £17mill of emergency aid - temp buildings and water purification systems.
Why live there?
People have lived there for years and don't want to leave.
MEDC EARTHQUAKE FACTOID CARD - Mount St. Helens, W
Volcano eruption in Washington State USA Mount St. Helens on May 18th 1980.
A minor oceanic plate - Juan de Fuca is moving east colliding with the North America continetal plate. The volcano erupted out of the side and top as the top was partly blocked by a plug of old solidified lava. There was pyroclastic flow because it is a destructive margin.
- Trees flattened and burnt over 360sq km
- 7000 animals died mainly game
- 12mill salmon killed
- 61 people died - mainly scientists and photographers
- Mudslides due to snow melt
- Air traffic diverted
- 200 houses/cabins destroyed
- 4 billion comercial timber board damaged/destroyed
- Agricultural crops destroyed although some survived with only a blanket of ash
- 1000+ commercial flights cancelled due to airport closure
- Total cost $1.1billion
- US government gave $951mill in aid to rebuid industry and compensate
- 185metres of roads, 15metres of railway and 27 bridges damaged/destroyed
Why live there?
Initially tourism crippled however long-term tourism has benefitted - people keen to visit the site. But there is an increased chance in flooding due to new landscape. People work there. Friends and family nearby.