1.7 Losing Out

Question 1

Land-Use Zoning

Answer 1

Keeping residential and commercial zones away from active and dormant volcanoes, composite volcanoes and soil fertility can cause difficulties with this.

Question 2

Hard/Resistant Design

Answer 2

Having retrofit buildings and implementing cross-bracing in the building structure however, this process requires government legislation and bare Ps.

Question 3

Engineering Defences

Answer 3

Sea walls to hold off tsunamis, Mangroves to absorb energy from tsunami waves, back up plates for emergency services and drain crates to prevent lahars from spreading.

Question 4

Why We Should Invest In Modifying Hazard Events

Answer 4

Lava diversion barriers can be implemented quickly and protect building, Because predicting the course of the lava can help us protect and reduce the vulnerability of situations under threat & Building natural materials reduces the impact of the wave as it will cause friction and lose kinetic energy.

Question 5

Why We Should Manage People Instead Of Modifying The Event

Answer 5

Expensive.
Magnitude can still overcome the lava diversion.
Education may be more important where provisions are low.

Question 6

Hawaii Volcanic Eruption

Answer 6

2018, magnitude of 6.9 with 24 fissures, 2,000 people were evacuated and $800 million damage caused.