Restless Earth Case studies
- Created by: Luvit42
- Created on: 05-09-14 17:49
Ocean Trenches
Example is Japan : the subduction of the Philippine plate under the Eurasion plate.
Fold Mountains
The Alps
- Most farms are on the south facing slopes as there is more sun
- Transhumance- Animals(goats) graze on the high Alp
- Wood is the main building material
- North facing slopes are covered by evergreen trees
- There is tourism all year round
- The main attraction is sking which gets 70% of tourists
- There are 100 million visitors per year
- Steep slopes, high precipitation and summer melting of glaciers produce fast flowing rivers.
- Berne area in Switzerland gathers 60% of it's energy from Hydro-electric power (HEP) stations
Volcano- Montserrat
Biggest eruption in 1995 (Capital Plymouth destroyed)
Most recent erruption 2010
Effects- of 1995 erruption
- 19 people died and 7 were injured
- Vegetation and farmland was destroyed
- The capital (Plymouth) was burried under 12m of mud and ash
- Over 20 villages and two thirds of homes on the island were destroyed by pyroclasic flow
- The population is now much older as many young people have left
- 50% of the population were evacuated from the island
- Population has decliened - 8000 of 12000 inhabitants have left since 1995
- Volcanic ash has improved soil fertility
Volcano- Montserrat
Short term responses
- Shelters were built to house evacuees
- £10.5 million was given to relocate refugees
- Local emergency services provided support units to search for and rescue survivors
- The UK provided £17 million of emergency aid
Long term responses
-The UK has provided £41 million to develop the north of the island - new docks and air port have been built
- A risk map was created and an exclusion zone is in place - the south of the island is off limits
- The Montserrat Volcano Observatory has been set up to try and predict future erruptions
- Over £200 million has now been spent by the British government
Supervolcano
Yellowstone, National Park
- The magma chamber is 80km long, 40km wide and 8km deep.
- The magma is aprox. 20-25 thousand km cubed.
- The last erruption was 2 million years ago (ash covered more than half of america)
- Low chance of an erruption in the next thousand years
Supervolcanic erruption
LEDC Earthquake- Haiti
Primary Effects
- Killed aprox. 230,000 people
- Injured aprox. 300,000 people
- Half of Haiti's schools and 3 universities collapsed
- 90% of the buildings in Port-au-prince destroyed
Secondary Effects
- 90% of rural population live on less than $2 a day
- 600,000 people fled
- 13 out of 15 minestry offices had to be destroyed
- 20 out of 50 radio stations that were active in the city before the earthquake were back online within a week
LEDC Earthquake- Haiti
Short term responses
- 39 trucks carrying canned food were dispatched
- 10 mobile kitchens with 110 cook who could cook 100,000 meals per day wer dispatched
- The Dominican emergency team helped 2,000 injured people
- American Red Cross got $7 million in donations in 24 hours
Long term resopnses - by 2010
- Thousands of people returned to the rural towns they came from
- 98% of rubble hadn't been cleared away
- 1.6million in relief camps
- 23 major charoties rasied $1 billion but only 2% has been released
MEDC Earthquake- New zealand
Primary Effects
- 181 people killed
- Aprox. 2000 people treated for injuries
- Cars and buses crushed by falling debris
- Liquefacation produced 400,000 tonnes of silt
Secondary Effects
-
MEDC Earthquake- New zealand
Responses
Tsunami - Japan 2011
Effects
Tsunami - Japan 2011
Responses
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