Tectonic Processes And Hazards

Question 1

What was Holmes Theory in 1929?

Answer 1

Convection currents in the mantle are the force behind continental drift

Question 2

What is a Volcanic Hotspot?

Answer 2

An area in the mantle from which heat rises as a hot thermal plume due to convection currents deep within the Earth

Question 3

What was the Magnitude of the Nepal 2015 Earthquake?

Answer 3

7.8

Question 4

What were the Primary Impacts of the Nepal 2015 Earthquake?

Answer 4

9000 dead, 22,000 injured and 3.5 million homeless

Question 5

What were the Secondary Impacts of the Nepal 2015 Earthquake?

Answer 5

40% of Nepal affected, $5 billion repair costs, avalanches and blocked rivers

Question 6

What are the Examples of the Failure of Governance in the Nepal 2015 Earthquake?

Answer 6

2 years later, 70% of people still lived in temporary shelters and there were no local elections or effective local government for 16 years prior.

Question 7

Describe Nepal

Answer 7

Nepal is a MHZ, with a low level of development and a vulnerable population

Question 8

What is Community Resilience?

Answer 8

The ability to cope with a hazard using your own resources

Question 9

What are the Secondary Hazards of a Volcano?

Answer 9

• Jokulhaups
• Lahars
• Acid Rain

Question 10

What is the PAR Model?

Answer 10

A model to understand the underlying causes of a disaster by identifying the factors that create vulnerability and how they can be addressed

Question 11

What are Lahars?

Answer 11

Volcanic mudflows composed of a slurry of pyroclastic material, rock debris and water

Question 12

What was Alfred Wegener’s theory in 1912?

Answer 12

All continents were once joined in a super continent called Pangea, however Continental Drift caused Pangea to split apart