Natural Hazards

Question 1

What is a natural hazard?

Answer 1

A natural event that threatens people or has the potential to cause damage, destruction or death

Question 2

Name the types of natural hazards

Answer 2

Tectonic Hazards (earthquake) Weather Hazards (hurricane) Climate Change (global warming)

Question 3

Name three types of tectonic hazards

Answer 3

• Earthquakes
• Tsunami’s
• Volcanoes

Question 4

What is a conservative plate margin

Answer 4

Where two tectonic plate margins slide past each other

Question 5

What is a constructive plate margin

Answer 5

Where two tectonic plates move apart which means the rising magma comes up, adds new material to plates

Question 6

What is a destructive plate margin

Answer 6

Where two tectonic plates are coming together and an oceanic plate is sub-ducted (submerge). It can be associated with violent and explosive earthquakes.

Question 7

Give two social impacts of Chile and Nepal’s earthquake

Answer 7

Chile:
500 killed, 12000 injured
220000 homes + 4500 schools destroyed

Nepal:
9000 dead, 20000 injured (1/3 population affected)
50% shops destroyed (shortage of food)

Question 8

Give two economic impacts of Chile and Nepal’s earthquake

Answer 8

Chile:
Cost $30 billion USD

Nepal:
Cost $5 billion USD

Question 9

Give two environmental impacts of Chile and Nepal’s earthquake

Answer 9

Chile:
Landslides + Tsunami’s = destroyed homes
Fire and chemical plant near Santiago

Nepal:
Mt. Everest Landslide + Avalanche = 19 people dead
Gandaki river residents evacuated = flooding

Question 10

Give two immediate response for Chile and Nepal’s earthquake

Answer 10

Chile:
In 10 days, 90% homes restored power + water
National Appeal raised $60 million = build 30,000 shelters

Nepal:
UK, India + China provided search and rescue teams
Helicopters rescued people from Mt. Everest avalanche

Question 11

Give two long term responses for Chile and Nepal’s earthquake

Answer 11

Chile: 
1 month later = 200,000 house holds built
Strong economy (copper extracts)

Nepal:
June 2015, seek financial help from other countries
Repair Everest base camp (2015 Aug open to public) +Tourism = boost economy