The Challenge of Natural Hazards

Question 1

6 Layers of Earth’s Strcuture

Answer 1

Core
Outer Core
Lower Mantle
Upper Mantle
Oceanic Crust
Continental Crust

Question 2

Why and where do Earthquakes usually happen?

Answer 2

Plate Margins
Gaps between the plates and movement at the margins

Question 3

How and why does convection occur?

Answer 3

The core heats material around it which becomes less dense
It rises as a result of this and then cools
When cooled it becomes more dense and it sinks

Question 4

All effects for Haiti Earthquake, 2010

Answer 4

230,000 deaths
300,000 injured
$8 billion in damage
Disease from dirty water

Question 5

All effects for Japan Earthquake, 2011

Answer 5

16,000 deaths
Tsunami 6 miles inland
Fukushima nuclear power plant melted
$235 billion cost

Question 6

All responses for Haiti Earthquake, 2010

Answer 6

$1 billion international aid
Countries sent rescue workers
Slow rebuilding of infrastructure
Some HICs cancelled national debt

Question 7

All responses for Japan Earthquake, 2011

Answer 7

$1 billion international aid
Emergency services worked effectively
EQ proof buildings
Upgraded tsunami defence

Question 8

What are the 3 P’s?

Answer 8

Predict, plan, protect

Question 9

3 Ways to Predict a Volcano

Answer 9

Measure water acidity, sulfur gas and temperature
Measure shape
Measure vibrations

Question 10

2 Ways to Plan For an Earthquake

Answer 10

Earthquake drill
Stock pile resources

Question 11

2 Ways to Protect Against an Earthquake

Answer 11

EQ proof buildings
EQ survival kit

Question 12

3 Reasons for Choosing to Live in Tectonic Hazard Zones

Answer 12

Fertile soil
Can’t afford to leave
Geothermal energy