People response to volcanic hazards

Question 1

How do we predict volcanoes?

Answer 1

Study of previous eruption to estimate when it might next erupt
Monitor: land swelling, changes in groundwater levels, chemical composition of groundwater and gas emissions
Look for shock waves that result from magma moving towards the surface, expanding cracks and breaking through other areas of rock

Question 2

How do we protect ourselves from volcanoes?

Answer 2

By preparing
Risk assessments
Studying geological documents - not living near active volcanoes
Divert possible lava flows by digging trenches