Tectonic Cards

Question 1

How does a tsunami happen

Answer 1

Earthquake or volcanic activity under the sea floor causes the floor to thrust up. This causes water to rise up and form a wave. It starts off with a long wavelength and small height. As it gets to the shore it gets taller and the wavelength shortens due to the sea floor rising.

Question 2

Volcanic hazards

Answer 2

Ash, pyrochlastic flow, debris, lava.

Question 3

Modify…

Answer 3

• Loss
• Event
• Vulnerability

Question 4

Order of earth’s layers

Answer 4

Crust, mantle, outer core, inner core.

Question 5

What causes earthquakes?

Answer 5

Two plates collide, causing an earthquake.

Question 6

Types of plate boundaries

Answer 6

Destructive( convergent) , constructive(divergent) , transform.

Question 7

What makes a mega disaster?

Answer 7

• 5% fall GDP
• 2000 deaths
• 200,000 homeless
• Dependence on foreign aid for a year

Question 8

Risk=

Answer 8

Hazard X vulnerability

Question 9

Park’s model-

Answer 9

Pre disaster, relief, rehabilitation, reconstruction.

Question 10

Slow onset examples

Answer 10

Drought, famine

Question 11

Rapid onset examples-

Answer 11

Earthquake, tsunami, volcanic eruption.

Question 12

Hazard profile

Answer 12

Analysis of different types of hazard events.

Question 13

Focal depth

Answer 13

How deep an earthquake occurs.

Question 14

Why more hazards ‘reported’?

Answer 14

Global communications network -social media, spreads faster.

Question 15

4 main stages of the hazard management cycle

Answer 15

Response, recovery, mitigation, preparedness.