2C: Why people inhabit tectonic risk zones and how the risks can be manage and reduced

Question 1

Why people live in volcanic/ earthquake prone areas despite the risks?

Answer 1

Economic reasons: fertile soils, mineral deposits, geothermal energy

Social reasons: either traditions, social marginalisation, or lack of awareness

Perception that benefits outweigh risks

Question 2

Ways of volcano monitoring

Answer 2

ground deformation

hydrology gas

geophysical measurements

remote sensing

seismicity

Question 3

Ways of managing volcanic hazards

Answer 3

Monitoring them - so that people can predict

Create evacuation plans

Equip and train emergency services

Educate the population

Map and identify the most hazardous areas around the volcano

study past eruptions

Question 4

What are precursors that have been used to attempt earthquake prediction

Answer 4

crustal movements

foreshock

gas emissions

changes in water table height

increases in electrical conductivity