Sakurajima Case Study

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  • Created on: 23-09-14 17:32

PREDICTION

Generalised 

Ground Deformation - Tiltmeters and GPS measure the rate of swelling in the volcanoe, swelling suggests magma is moving towards the surface. Thermal monitors detect magma movement. 

Siesmicity - Siesmographs measure any vibrations in the ground, earthquakes are the earliest warning of a volcanic eruption. 

Chemical composition - When magma nears the surface, the pressure is lowered and gases escape. An increase in sulphur dioxide suggests magma is rising. 

Specific

Aircraft and GPS measure heat,gas and

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