Lastminutegcsegeographyrevison@kingdown Hazards Slide 1 Lastminutegcsegeographyrevison@kingdown

Lastminutegcsegeographyrevison@kingdown Preparation before starting this Revision unit you need to have:- Sorted you theory notes and produced a contents page Have your case studies completed Introduction This unit is to give you 40 minutes of Geography Revision on the Hazards topic. Work through the tasks and stick to the timings. You could work through this unit more than once Resources You will find these resources useful Contents page from your files, the supporting PowerPoint presentation (this can be downloaded to your MP3 player or phone) the topic glossary Slide 2 Lastminutegcsegeographyrevison@kingdown

You may begin….. Record down your start time Slide 3

40 35 30 25 20 15 10 5 0 A: What is the global distribution of different types of natural hazard? Complete this table Compare and Contrast the global distribution of Volcanoes Earthquakes Hurricanes and Drought . Feature Volcano Earthquake Hurricane Drought Distribution Where   When Slide 4

Slide 5 3 What is (i) An Earthquake (ii) A Fault (iii) The Focus 40 35 30 25 20 15 10 5 0 What natural processes cause different types of natural hazards? 3 What is   (i) An Earthquake (ii) A Fault (iii) The Focus (iv) The Epicentre (v) The Richter Scale Slide 5

Slide 6 4 What is (i) A volcano (ii) The vent (iii) A pyroclastic flow 40 35 30 25 20 15 10 5 0 4 What is   (i) A volcano (ii) The vent (iii) A pyroclastic flow (iv) Magma (v) Ash cloud (vi) Lahar Slide 6

Description of changes 40 35 30 25 20 15 10 5 0 How the movement of tectonic plates cause earthquakes and volcanoes Type of plate boundary Description of changes Earthquake/ volcanic activity Constructive   Destructive Conservative 5 Complete the table Slide 7

40 35 30 25 20 15 10 5 0 6 Look at the map of tectonic plates. Give an example of   (i) Plates moving away from each other (ii) Plates moving towards each other (iii) Plates moving past each other Slide 8

40 35 30 25 20 15 10 5 0 7. For a Hurricane (i) Where do Atlantic Hurricanes form ? (ii) What temperature must the water be? (iii) What makes the storm move West to East? (iv) What makes the storm spin? (v) What happens when the Hurricane moves over land? Slide 9

40 35 30 25 20 15 10 5 0 The climatic conditions leading to the formation of periods of drought 8 Give an example of each of these 4 causes of Drought. Slide 10

Slide 11 40 35 30 25 20 15 10 5 0 Volcano Earthquake Hurricane Drought 40 35 30 25 20 15 10 5 0 How do natural hazards affect people and places in parts of the world with different levels of development? Volcano Earthquake Hurricane Drought PRIMARY-effects SECONDARY - effects 9 Complete the table to show the Primary and secondary effects for these hazards Slide 11

40 35 30 25 20 15 10 5 0 Look at the data 10. How does level of economic development influence the severity of the impact? MEDC LEDC Japan Haiti Katrina Nargis Nos of deaths 27,000 230,000 1400 15000 Nos of injured 6,000 300,000 580 2,000,000 Nos displaced 32500 2.500,000 Nos homeless 500,000 1,500,000 10,000+ 1,000,000 Nos buildings destroyed 160,000 + 95% Cost £ $ 100,000,000 $ 10 billion $ 100,000,000,$ 101,000,000 $ Slide 12

Slide 13 40 35 30 25 20 15 10 5 0 What happened Effects on people 40 35 30 25 20 15 10 5 0 You must learn a case study of i) one tectonic event in an LEDC, 11. Complete this table Location Time and Date Strength Extent What happened Effects on people Primary Secondary Effects on buildings Effects on Economy Response Short term How was the event predicted Slide 13

Slide 14 40 35 30 25 20 15 10 5 0 What happened Effects on people 40 35 30 25 20 15 10 5 0 You must learn a case study of i) one tectonic event in an MEDC, 12. Complete this table Location Time and Date Strength Extent What happened Effects on people Primary Secondary Effects on buildings Effects on Economy Response Short term How was the event predicted Slide 14

Slide 15 40 35 30 25 20 15 10 5 0 What happened Effects on people 40 35 30 25 20 15 10 5 0 You must learn a case study of i) one climatic event in an LEDC, 13. Complete this table Location Time and Date Strength Extent What happened Effects on people Primary Secondary Effects on buildings Effects on Economy Response Short term How was the event predicted Slide 15

Slide 16 40 35 30 25 20 15 10 5 0 What happened Effects on people 40 35 30 25 20 15 10 5 0 You must learn a case study of i) one tectonic event in an MEDC, 14. Complete this table Location Time and Date Strength Extent What happened Effects on people Primary Secondary Effects on buildings Effects on Economy Response Short term How was the event predicted Slide 16

40 35 30 25 20 15 10 5 0 How can human activities affect the impact of natural hazards? 15. How does an extreme natural event become a hazard? 16. How does a Hazard become a Disaster? 17. What do these mean? (i) Human Occupancy (ii) Risk (iii) Vulnerability 18. Give 5 reasons why people live in the hazard zone Slide 17

Slide 18 Building Planning Education 40 35 30 25 20 15 10 5 0 40 35 30 25 20 15 10 5 0 How can people and places be protected from the impact of natural hazards? 19. Complete the table Building Planning Education Earthquake Volcano Hurricane Drought Slide 18

Modify Human Vulnerability 40 35 30 25 20 15 10 5 0 A range of methods are used to attempt to reduce the impact of natural hazards 20 Complete the table with examples from your case studies Hazard Management Modify the event Modify Human Vulnerability Modify the Loss Environmental Control Prediction and warning Aid Hazard resistant design Community Preparedness Insurance Slide 19

Slide 20 Location Magnitude Frequency Type Response Rural or Urban 40 35 30 25 20 15 10 5 0 21. How do each of these factors affect response? Location Magnitude Frequency Type Response Rural or Urban Technology available Level of Development (MEDC or LEDC) Level of Education Slide 20

Slide 21 Economic costs, Impact on the environment 40 35 30 25 20 15 10 5 0 24 How sustainable are these methods ? Economic costs, Impact on the environment Effects on people most at risk. Earthquake Volcano Hurricane Drought Slide 21

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