Earthquakes - Human features

Question 1

Population density in Haiti

Proximity of epicentre to centres of population

Answer 1

25,000 per km^2 in Port-au-Prince

Epicentre was 25km west of Port-au-Prince

Question 2

Population density in Sichuan

Population of the Sichuan Basin

Answer 2

180 per km^2

Around 100 million

Question 3

Population density in Tohoku

Proximity of epicentre to centres of population

Answer 3

140 per km^2

The nearest major city was Sendai, about 130km from the epicentre, with a population of over 1 million

Question 4

Facts about building and structural vulnerability in Haiti

Answer 4

86% of people in Port-au-Prince lived in slum conditions

70% of buildings and 60% of infrastructure in and around Port-au-Prince was destroyed

Question 5

How many buildings collapsed in Sichuan? What else was damaged?

Answer 5

5 million

Thousands of kms of roads and water pipelines, many railways, Chengdu airport, and over 2,300 dams

Question 6

How many houses were damaged or totally destroyed in Japan?

Answer 6

55,000

Question 7

Fact showing poverty in Haiti

Answer 7

70% of the population live on less than $2 a day