Task earth be monitored? The earth should be monitored

Task 3
Part 3- Preventing Damage

Why
should the earth be monitored?

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The earth should
be monitored so that you know when an earthquake or a seismic event is going to
occur so that you can prepare for it.

Earthquakes are not as easy to predict as volcanic explosions:

·       
The main meaning of the monitoring is to learn when
new magma is rising in the volcano that can lead to an eruption.

·       
Laser beams can be used to spot plate movement.

·       
A seismometer is used to pick up the shakings in the Earth’s crust.

·       
An increase in vibrations may pick up a possible
earthquake, temperatures around the volcanoes rise as activity increases.

·       
Gas leaks from cracks in the Earth’s crust. Levels of
toxic gas can be monitored – an unexpected increase may advocate an earthquake.

Monitoring a volcano involves scientists to use of
a selection of techniques that can hear and see movement inside a volcano.

Report:

Reducing
the impacts of Earthquakes & Volcanoes

Why do so many people
live in areas where earthquakes and Volcanoes take place? 
The following refer in some cases to both or either of the hazards:
·       
Volcanoes produce
fertile soils when the lava weathers.
·       
Many volcanoes have
been dormant for hundreds of years.
·       
Jobs are provided in
the tourist industry – many like to visit volcanoes and geysers – it provides
work in tourist shops, hotels etc.
·       
Volcanoes can produce minerals such as pumice,
sulphur and even precious stones.
·       
Hot springs and baths
and heating such as in Iceland where large open baths are found and central
heating is provided.
·       
In some areas the heat
can produce electricity
·       
People live in
earthquake areas such as San Francisco because it is a desirable area and
people were unaware of the theory of plate tectonics until recently.
·       
Some people have the
belief that neither of the hazards will affect them.