Hazardous Earth - Managing volcano hazards

Question 1

How can countries manage volcano hazards

Answer 1

(1) Preparation - warning & evacuation // building design
(2) Long-term planning - funding and training emergency services
(3) Prediction - investing in technologies
(4) Short-term relief (1) shelter and supplies

Question 2

Name two ways to monitor changes in volcanoes to help predict an eruption

Answer 2

(1) tiltmeters that check for bulges on volcano slopes
(2) satellites that monitor changes in heat activity
Note monitoring is expensive and poorer countries often can’t afford it

Question 3

name 3 ways that you can reduce the impact of a volcano on people and property

Answer 3

(1) setting up an exclusion zone
(2) evacuating people inside the exclusion zone
(2) organizing barriers to divert lava flows or water-spraying equipment to halt flows

Question 4

Explain why the prediction of volcanic eruptions is often better is rich than poor countries

Answer 4

GPS prediction technology is expensive