Earthquakes

Question 1

why do people choose to live in areas of high risk

Answer 1

-for mining, an economic resource (diamonds)
-volcanic soils for farmers
-specific minerals e.g copper, gold, zinc

Question 2

why do people not leave areas with high risk

Answer 2

-emotional attatchment to a place
-friends and family live there
-no financial ability to leave
-lack of choice

Question 3

what are the main reasons people continue to live in an area of volcanic and earthquake acitivity

Answer 3

-for fertile soil
-tourism
-minerals
-building materials
-geothermic energy

Question 4

how can we reduce the risks from tectonic hazards

Answer 4

-monitor, using scientific equipment
-predict, using historical evidence
-protect, design buildings withstanding hazards
-plan

Question 5

explain how to monitor volcanos

Answer 5

-remote sensing, satellites can detect heat and changes to the volcanos shape
-geophysical movements, detect changes in the ground as magma rises

Question 6

how to predict for volcanos

Answer 6

based on scientific monitoring and an increase for earthquakes beneath ice caps in iceland.

Question 7

how to protect for a volcano occuring

Answer 7

-the power of it means there is little that can be done to protect people

Question 8

how to protect for a earthquake occuring

Answer 8

-in chile new buildings have
-open areas for easy evacuation
-shock absorbers to absorb grounds shaking
-walls reinforced with seal and concrete
-automatic shutters come down over windows
people also do regular earthquake drills to help keep people alert

Question 9

how to plan for a volcano erruption

Answer 9

-hazard maps are produced and it shows the likely areas which will be affected

Question 10

how to plan for an earthquake

Answer 10

-earthquake maps are produced to show the effects of an earthquake and areas at risk