geography case studies

MEDC and LEDC tectonic hazard  ase studies

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  • Created by: jane
  • Created on: 09-04-12 10:06

LEDC - volcano, Nevado del Ruiz (Colombia)

CAUSES:

  • built up pressure, released by an earthquake
  • lahars caused by melting of ice cap, Armero in valley = route for Lahars
  • destructive margin - Nazca (oceanic) subducted under SA (continental)

EFFECTS:

  • Lahar in Chinchina killed 1927 people
  • 5000 injured
  • 5000 homes destroyed
  • 23000 dead
  • 40m thick lahars, 50km/h = blocked roads
  • cost 7.7 billion (20% gdp)

RESPONSE:

  • international aid from 30 foreign countries within 24 hours
  • long term, made a hazard map and evacuation plan (markers on buildings)
  • education in schools
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MEDC volcano - Mount Etna (Sicily)

CAUSES:

  • destructive margin - African (oceanic) and Eurasian(continental) plates

EFFECTS:

  • catania airport shut for 4 days
  • 3 ski lift pylons destroyed
  • linguaglossa evacuated
  • cost $8million
  • 300 family businesses destroyed
  • 100 homes in Santa Venerina destroyed

RESPONSE:

  • army used bulldozers to crack tarmac to create channels for the lava
  • emergency workers dug channels to divert lava from Linguaglossa
  • tried to divert the lava from the scientific monitoring centre at foot of volcano
  • govt gave tax breaks and spent $8million in financial assistance
  • declared state of emergency by the Italian Government
  • Medical clinic off Catania
2 of 3

MEDC - earthquake - Northridge (California)

CAUSES:

  • Blind fault in the San Fernando Valley
  • 19km focus
  • 6.7 on richter scale
  • 15000 aftershocks

EFFECTS:

  • 57 killed
  • 9000 injured
  • buildings damaged eg Northridge Meadows apartment building (wooden structure)
  • landslides in the Pacific Palisades area
  • Trailer homes fire in San Fernando Valley
  • Liquefaction in San Fernando Valley
  • Scoreboard collapsed in Anaheim Stadium

RESPONSE:

  • Federal Disaster, FEMA deployed, 600,000 individuals applied for financial assistance
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Comments

labibah2008

whats the point like do about tourism

:) PurpleJaguar (: - Team GR

On the second card some words are cut off :/

But good notes :)

I'm guessing they aren't for edexcel because i didn't recognize any of them?? 

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