Earthquakes Flashcards

1
Q

why do people choose to live in areas of high risk

A

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

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2
Q

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

A

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

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3
Q

how can we reduce the risks from tectonic hazards

A

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

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4
Q

explain how to monitor volcanos

A

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

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5
Q

how to predict for volcanos

A

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

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6
Q

how to protect for a volcano occuring

A

-buildings can be strengthened so they’re less likely to collapse
-trenches and barriers used to try divert lava

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7
Q

how to protect for a earthquake occuring

A

-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

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8
Q

how to plan for a volcano erruption

A

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

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9
Q

how to plan for an earthquake

A

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

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10
Q
A
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