Restless Earth
- Created by: joshua millyard
- Created on: 29-05-13 14:37
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- Restless Earth
- The Earth in cross-section
- Lithosphere: Continental crust, Oceanic crust, Upper mantle
- Mantle: Asthenosphere, Lower Mantle
- Core: Outer core, Inner core
- The two types of crust
- Continental crust make most Earth made granite
- Oceanic crust thinner made rock basalt
- The Earth in cross-section
- Lithosphere: Continental crust, Oceanic crust, Upper mantle
- Mantle: Asthenosphere, Lower Mantle
- Core: Outer core, Inner core
- How the Earth's tectonic plates move
- Convection currents like lava lamp
- materials move create movement crust create hotspot
- Different types of plate boundary
- constructive: rise magma split continental crust form new oceans
- The two types of crust
- Continental crust make most Earth made granite
- Oceanic crust thinner made rock basalt
- Destructive: subduction oceanic continental boundary collide
- Conservative margins: no crust formed or destroyed
- Different hazards and their causes
- impact depend size population, vulnerability
- volcanoes found hotspot conservative margins
- Shield: gentle slopes fluid frequent Mauna Loa (hawaii,USA)
- Composite/Strato: steep sided viscous/sticky flow infrquent Mt Pinatubo
- Impact of Earthquakes
- severity effected size depth type material
- impact vary strength distance epicentre warning time preparation
- Different hazards and their causes
- impact depend size population, vulnerability
- volcanoes found hotspot conservative margins
- Shield: gentle slopes fluid frequent Mauna Loa (hawaii,USA)
- Composite/Strato: steep sided viscous/sticky flow infrquent Mt Pinatubo
- Primar impact: immidiate effect property ppl
- Secondary impacts: impact ppl property after
- Living with volcanoes
- active, dominant, extinct
- Mt St Helens 'dormant' erupt
- Primar impact: immidiate effect property ppl
- Living with volcanoes
- Living with volcanoes
- active, dominant, extinct
- Mt St Helens 'dormant' erupt
- Prediction, warning and evacuation
- Preparedness emergency plans service evacuation plans disaster kits strengthening buildings
- Developed world buildings flexible deep foundations shock absorbers reduce weight roof
- Response and relief in Haiti
- Strongest quake 1770
- 1.5 mil ppl homeless
- 7.0 magnitude epicentre
- 3 mil ppl in need
- World vision give emergency shelter
- Haiti poor need support
- The Earth in cross-section
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